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Old January 2nd, 2013, 02:13 PM   #101 (permalink)
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I think every since the JB update it won't work.... None of the secret #s work anymore on mine either.
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Old January 3rd, 2013, 01:15 PM   #102 (permalink)
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Originally Posted by 21plays View Post
wifi settings. advanced. change the sleep settings there and your done
change the sleep setting to what? always on? or never on? I have this same issue and when I enter the code *#0011# into my phone dialer, NOTHING happens. I need an alternative way of fixing this issue.
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Old January 3rd, 2013, 01:18 PM   #103 (permalink)
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are you running on the JellyBean update? I am on Android 4.2 and I don't have the option to enter this code into my phone dialer. NOTHING happens.
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Old February 27th, 2013, 05:14 PM   #104 (permalink)
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For Galaxy S2,

*#232338# and "disable PS Mode" and no more disconnect problem.
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Old March 2nd, 2013, 08:57 PM   #105 (permalink)
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Originally Posted by katrina15 View Post
I'm currently having the exact same problem. Also, whenever I connect to a new WiFi network, I have to do the same again. It's frustrating, especially considering I'm out and about and connecting to different hotspots regularly. I have now had 3 S3's, none of the previous two had this problem. (First was chipped when I opened the box, second kept vibrating constantly then crashing and either rebooting or turning itself off.)
I keep getting disconnects on my S3 as well. The asterk, pound 0011 pound then menu doesn't do anything. Samsung doesn't know what the issue is.
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Old March 9th, 2013, 01:54 AM   #106 (permalink)
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I ve been suffering from this problem but fixed now thanks for your help
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Old March 9th, 2013, 03:18 AM   #107 (permalink)
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Yea, I don't think its available for JB. I've been using that code since I found out about it like 4days ago, but thats when I was on 4.0/ICS. Today I updated to 4.2 and the phone code doesn't work anymore :/
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Old March 9th, 2013, 03:58 AM   #108 (permalink)
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*#0011# still works on T-Mobile T999. JB version 4.1.1.
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Old April 7th, 2013, 12:54 PM   #109 (permalink)
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Thumbs up Wifi issue on samsung galaxy product

Quote:
Originally Posted by glauberbrazil View Post
just change the encryption of the wireless security`s router to automatic (tkip + aes) in wpa2-psk version and it will connect with no error.
i have come accross this suggestion before but ignored it. While i was trying all the solution provided on this forum, i tried the above and i saw my wifi up just like before. Wonderful with all my experience on i.t, i need to do research on this.

Regards and thanks.
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Old April 7th, 2013, 03:29 PM   #110 (permalink)
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Originally Posted by philemmy View Post
i have come across this suggestion before but ignored it. While i was trying all the solution provided on this forum, i tried the above and i saw my wifi up just like before. Wonderful with all my experience on i.t, i need to do research on this.

Regards and thanks.
funny enough. i also noticed that i have ip conflict with other device using the same wifi. i changed the ip address on the device but discovered that my phone wifi only work for few hours and off itself and find it difficult to switch on.

can some with similar issue and solution please help?
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Old April 7th, 2013, 04:00 PM   #111 (permalink)
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funny enough. i also noticed that i have ip conflict with other device using the same wifi. i changed the ip address on the device but discovered that my phone wifi only work for few hours and off itself and find it difficult to switch on.

can some with similar issue and solution please help?
This may or may not help, but it's always a good thing to check.

Get Wifi Analyzer, free, swipe to the page showing the signal graphs, and see if you are on the same channel as others nearby.

Ideally, you want to be on your own channel with a unique network name. If you and your neighbors are all using the same routers and defaults, you could be getting tangled up. That's all easily fixed in your router settings and often clears up a lot of trouble, as well as improving wifi throughout your house.
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Old April 8th, 2013, 12:03 PM   #112 (permalink)
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Oh Man! I have a 2 week old S3 with JB 4.1.2 on it and have been scratching my head and wondering if I should take it back!

I had a Wifi Manager app on it and thought that was it, changed it to a Wifi on/off toggle and had Battery Defender on it. It happened at coffee shops and I thought - well, maybe their Wifi is having a problem, though I had my doubts. When it was happening at my house I knew something was wrong.

I took these apps off of it last night to see what would happen, then I found this thread. So this morning I went searching and found an interesting list of about 50 "secret codes" for the S3 supposedly with JB but none of them worked for me.

I was going to include the link, which was posted 3/7/13, but I didn't want to send 20 or more people on a wild goose chase. It may be for an Indian phone as I saw other articles by the author referencing India.
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Old April 8th, 2013, 01:00 PM   #113 (permalink)
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Yep, sometimes the channel of the hotspot can be the same or close to what the main router or access point is in the house... One overpowers the other by literally knocking the radio waves out if organization similar to two people screaming together.
Using wifi analyzer you can see who's using what channels and make corrections if needed to stay apart from each other.
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Old April 8th, 2013, 09:51 PM   #114 (permalink)
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Default Found it!

Buried in the comments of an androidcentral.com article showing a code to unlock "Service Mode," which allows for the testing of many features on the S3, I found the trick to open the gates of Valhalla! This works on my 4.1.2

The secret is to first type *#22745927 to get to an 'enable/disable hidden menu' screen. Check enable and you're good to go.


The code *#0*# gives this testing screen

Also, the code *#0011# works to access "Service Menu" and change the Wifi Power Save to off.

Here's the link: How to uncover and use the hidden Service menu on the Galaxy S3 | Android Central

These codes work, too, though I've only tested a couple:
  • *#1234# (View SW Version PDA, CSC, MODEM)
  • #7465625782*# (Insert partial Network Lock Keycode)
  • *746562527*# (Insert Network Lock Keycode NSP/CP)
  • #746562527*# (Insert Content Provider Keycode)
  • *746562577*# (Insert Network Lock Keycode SP)
  • #746562577*# (Insert Operator Lock Keycode)
  • #7465625638*# (Insert Network Lock Keycode)
  • *#2663# (TSP / TSK firmware update)
  • *#7780# (Factory Reset)
  • *27673855# (Full Factory Reset)
  • *#03# (NAND Flash S/N)
  • *#12580369# (SW & HW Info)
  • *#197328640# (Service Mode)
  • *#0*# (General Test Mode)
  • *#0228# (ADC Reading)
  • *#7465625# (View Phone Lock Status)
  • *7465625638*# (Configure Network Lock MCC/MNC)
  • *7465625782*# (Configure Network Lock NSP)
  • *#32489# (Ciphering Info)
  • *#7284# (USB I2C Mode Control)
  • *#272imei#* Product code
  • *#9090# (Diagnostic Configuration)
  • *#232337# (Bluetooth Address)
  • *#232331# (Bluetooth Test Mode)
  • *#232338# (WLAN MAC Address)
  • *#232339# (WLAN Test Mode)
  • *#0842# (Vibra Motor Test Mode)
  • *#872564# (USB Logging Control)
  • *#4238378# (GCF Configuration)
  • *#0283# (Audio Loopback Control)
  • *#1575# (GPS Control Menu)
  • *#3214789650# (LBS Test Mode)
  • *#745# (RIL Dump Menu)
  • *#746# (Debug Dump Menu)
  • *#9900# (System Dump Mode)
  • *#44336# (software Version Info)
  • *#0289# (Melody Test Mode)
  • *#7594# (Remap Shutdown to End Call TSK)
  • *#34971539# (Camera Firmware Update)
  • *#8736364# (OTA Update Menu)
  • *#526# (WLAN Engineering Mode)
  • *#528# (WLAN Engineering Mode)
  • *#7412365# (Camera Firmware Menu)
  • *#0589# (Light Sensor Test Mode)
  • *#273283255663282*# (Data Create SD Card)
  • *#3282727336*# (Data Usage Status)
  • *#301279# (HSDPA/HSUPA Control Menu)
  • *#7353# (Quick Test Menu)
  • *#2263# (RF Band Selection)
  • *27674387264636# (Sellout SMS / PCODE view)
  • *#80# (Unknown)
  • *#0782# (Real Time Clock Test)
  • *#0673# (Audio Test Mode)
  • *#07# (Test History)
  • *#3214789# (GCF Mode Status)
  • *#272886# (Auto Answer Selection)
  • *#0588# (Proximity Sensor Test Mode)
  • *#2732832553282*# (Data Create Menu)
The link for these is:
Samsung Galaxy S3 Secret Code | Android Secret Code - HandyTechPlus

This is excellent! (Unless I missed this code revealed already someplace else.) I believe this warrants a new thread. I'll post it and y'all can quash it if it's not proper. Some of these could be dangerous! Please use with caution.
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Old April 10th, 2013, 12:07 AM   #115 (permalink)
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Quote:
Originally Posted by EarlyMon View Post
This may or may not help, but it's always a good thing to check.

Get Wifi Analyzer, free, swipe to the page showing the signal graphs, and see if you are on the same channel as others nearby.

Ideally, you want to be on your own channel with a unique network name. If you and your neighbors are all using the same routers and defaults, you could be getting tangled up. That's all easily fixed in your router settings and often clears up a lot of trouble, as well as improving wifi throughout your house.
Quote:
Originally Posted by philemmy View Post
i have come accross this suggestion before but ignored it. While i was trying all the solution provided on this forum, i tried the above and i saw my wifi up just like before. Wonderful with all my experience on i.t, i need to do research on this.

Regards and thanks.
this is to inform all that i have finally got the solution to wifi issues on samsung galaxy i believe i should share this with everyone. this is working for me now for the past 48hours. my wifi now come on and off at my mercy. below is the process and i guess this will work for you.

1

Press Home , press Menu , and touch Settings, to open the Settings application.
2

Touch Location & security.or location service


3

Activate use wireless networks.that authomatically switched on your wifi or put the wifi on your self. if this does not work, switch the phone off and on. thank you.
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Old April 13th, 2013, 12:47 PM   #116 (permalink)
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Default Update

I have uninstalled Battery Defender and the Wifi On/Off widget and have not had any more problems connecting. I also don't seem to be having any real battery issues by leaving Wifi/4G on all of the time.

It does go off by itself in a sleep state, by the way. I haven't explored this subject yet but I came across a description of the S3 with Jelly Bean going to sleep, or something. I've noticed complaints that Jelly Bean took away "Sleep Mode," but it just goes into Sleep Mode on it's own. Wish I could find that webpage.

After reading posts upon posts about Wifi always looking for Access Points to connect to where ever you go or driving down the street, and draining the battery, I thought I needed apps to control this. Perhaps with Jelly Bean it is controlled on its own.
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Old April 21st, 2013, 08:41 AM   #117 (permalink)
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Cool Intermittent Wi-Fi Connecions

Hi All.
This fix might help some of you out there. I have been pulling my hair out with intermittent connections to Home Wi-Fi Network using smartphones. Was also having drop-outs on wired connections as well. We have 3 Samsung phones here SI-SII-SIII plus 7 other devices (PCs, Sat Boxes & Live Streaming Devices). It dawned on me that a possible cause of the problem was IP Address conflicts. So I went into my ROUTER which is a BT Voyage 2110 - Advanced Settings - Local Network - DHCP Server - Reserved IP Address List. I then entered the MAC Address and assigned an IP address for each device on the HOME Network. The MAC Addresses I got from a little Utility called MyLanViewer (you don't hv to use this one as there are similar utilities out there which will show you who or what is on the network). BTW most ROUTERS (if not all) will have the facility to do this.

End result for me here is that the problem has been solved. So hope this helps someone out there.

Saluti,
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Old April 21st, 2013, 11:01 AM   #118 (permalink)
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I prefer that too. You get maximum distance without encryption. Mac addressing is much cleaner.
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Old April 22nd, 2013, 09:55 AM   #119 (permalink)
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Quote:
Originally Posted by Unsionn View Post
Hi All.
This fix might help some of you out there. I have been pulling my hair out with intermittent connections to Home Wi-Fi Network using smartphones. Was also having drop-outs on wired connections as well. We have 3 Samsung phones here SI-SII-SIII plus 7 other devices (PCs, Sat Boxes & Live Streaming Devices). It dawned on me that a possible cause of the problem was IP Address conflicts. So I went into my ROUTER which is a BT Voyage 2110 - Advanced Settings - Local Network - DHCP Server - Reserved IP Address List. I then entered the MAC Address and assigned an IP address for each device on the HOME Network. The MAC Addresses I got from a little Utility called MyLanViewer (you don't hv to use this one as there are similar utilities out there which will show you who or what is on the network). BTW most ROUTERS (if not all) will have the facility to do this.

End result for me here is that the problem has been solved. So hope this helps someone out there.

Saluti,
Unsionn
Glad you solved your problem Unsionn!

I forgot to include that I set a static IP address on my S3 instead of using assigned DHCP on the router. Why not? I have not had a dropout since.

But, I was having dropouts everywhere. I guess I could reinstate the Wifi On/Off widget to see if that was it, though I don't feel much like messing with a good thing at the moment.
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Old April 23rd, 2013, 07:14 PM   #120 (permalink)
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I'm having the same issue. I did install the wifi analyzer, didn't help. My phone shows 4g on the screen, I go into wifi & it shows i'm using wifi. Samsung is a joke for help. All they do is give me the steps to turn on wifi. I know how to do that. Anyone know of other steps other than the #& numbers, tried that too. I do have wifi turne to on during sleep, this is what Samsung told Verizon to do a few months ago. That worked but now it's come back intermittetely, I removed the battery & that keeps wifi on for about a day then it goes back.
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Old April 23rd, 2013, 11:11 PM   #121 (permalink)
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Hey thomasr1950,

Are your problems just at home or out in other Wifi locations? What other solutions have you tried from this thread, other than using Wifi Analyzer?
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Old April 24th, 2013, 03:04 PM   #122 (permalink)
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*#0011# power off option did not work for me. still disconnecting. I would put in the security key and it would connect. After about 5 seconds "scanning" would display then the connection would drop. The phone worked fine for months, no major wifi disconnect issues. very frustrating
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Old April 25th, 2013, 05:32 AM   #123 (permalink)
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Hi MasterCylinder:

I have a feeling it is best to leave assigning IP addresses to the individual WiFi Network you are on. For example if you have your phone setup on a STATIC of say 192.168.1.200 the NETWORK might have already assigned that to another device. Might I be "technology ignorant" when I say this? All I can say is that after a week of setting up the modem with Reserved IP addresses for each device, when we are all in the HOUSE everyone has a solid connection with no dropouts. This is the first time this has happened in 2 years (:
Take care,
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Old April 25th, 2013, 11:29 PM   #124 (permalink)
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Unsionn,

Oh, by all means, if it ain't broke, don't fix it!

Your post merely reminded me that I had not been complete in my description of how I solved my problems, and I wanted to be complete for anyone else looking for a solution, and statically configuring an IP address on my phone was one suggestion. And, there really is no reason not to do that on my own network, since I'm in charge of how the IP addresses are assigned. Nothing else needs to be done on the local network configuration, as long as it's within the range and no other device is assigned that IP.

Also, if people are filtering MAC addresses for wireless clients on their router, they need to remember to enter the MAC of their phone on that list.

Good connecting!
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Old June 1st, 2013, 03:31 PM   #125 (permalink)
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I dialed *#0011# pressed menu button (first picture) then selected WIFI and got to the next screen (second picture). I pressed the button so it says "Off". Hit back until I was back in the homescreen. WIFI has worked to my satisfaction ever since.

I am on the initial firmware 'xxxxxLE8 if that makes a difference.

After entering the letters what is the next step? I couldn't get screen one to come up. I did a soft reset on my phone, but I still go between 4g/wifi, it keeps going back & forth every 15-20 seconds.
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Old June 1st, 2013, 04:31 PM   #126 (permalink)
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This apparently won't work on Verizon Wireless. I dialed *#0011# and got their "cannot reach this number as dialed" recording.
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Old June 1st, 2013, 07:40 PM   #127 (permalink)
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After entering the letters what is the next step? I couldn't get screen one to come up. I did a soft reset on my phone, but I still go between 4g/wifi, it keeps going back & forth every 15-20 seconds.
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This apparently won't work on Verizon Wireless. I dialed *#0011# and got their "cannot reach this number as dialed" recording.
This works on my Verizon SGS3, but you have to enter a code to unlock "Service Mode," which allows for the testing of many features on the S3, I found the trick! This works on my 4.1.2

The secret is to first type *#22745927 to get to a screen which has one entry "Hidden Service Menu Disabled" or something like that. Press that, select "Enable" and "okay" and you will be able to enter the codes you want after that.

This is described in post #114 of this very thread, just 12 posts up, along with all of the commands possible with it. There are many. But, be careful with some of these! Go forth and prosper!
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Old June 1st, 2013, 09:16 PM   #128 (permalink)
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These are notes I saved on my phone.

The secret is to first type *#22745927 to get to an 'enable/disable hidden menu' screen. Check enable and you're good to go.

The code *#0*# gives this testing screen

Also, the code *#0011# works to access "Service Menu" and change the Wifi Power Save to off.

"Must type manually, paste and copy doesn't work", I dialed *#0011# pressed menu button (first picture) then selected WIFI and got to the next screen (second picture). I pressed the button so it says "Off". Hit back until I was back in the homescreen. WIFI has worked to my satisfaction ever since.

But rebooting brings it back.

The Galaxy S3 hates WEP or the old WPA1 standard...and for good reason, as these are completely insecure protocols.

No worky on the S4
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Old June 1st, 2013, 09:31 PM   #129 (permalink)
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Originally Posted by MasterCylinder View Post
This works on my Verizon SGS3, but you have to enter a code to unlock "Service Mode," which allows for the testing of many features on the S3, I found the trick! This works on my 4.1.2

The secret is to first type *#22745927 to get to a screen which has one entry "Hidden Service Menu Disabled" or something like that. Press that, select "Enable" and "okay" and you will be able to enter the codes you want after that.

This is described in post #114 of this very thread, just 12 posts up, along with all of the commands possible with it. There are many. But, be careful with some of these! Go forth and prosper!
This does work! Thanks!

One point that I had not seen mentioned in doing these codes is that it is not necessary to press the "dial" button after entering one of the above codes. The phone responds automatically. When I did get in and dialed *#0011# I was nearly thrown by the screen showing nothing but "No Service". However, I tapped the menu location on the lower left of the display, and the menu opened with wifi at the bottom. I was able to then toggle the wifi power saving mode to OFF. I'll see how things go now. I had read that rebooting reverses this setting back to being ON. If so, that seems like an annoyance to have to keep redoing this. Might as well find out right now.

Rebooting.

OK, not only does it reset the wifi power saving back to ON, it ALSO resets the "Hidden Menu" back to being "hidden", so after a reboot you would also need to dial *#22745927 to get to a screen which has one entry "Hidden Service Menu Disabled" all over again.

I have to wonder if rebooting might "undo" ALL such changes that one might be able to do with these codes. If so it seems of limited usefulness, especially since my S3 likes to spontaneously reboot from time to time. To make matters worse, it doesn't work to create a contact with these numbers and try to "dial" them. So you would have to remember the sequence to re-do after a reboot.
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Old June 1st, 2013, 09:57 PM   #130 (permalink)
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OK, not only does it reset the wifi power saving back to ON, it ALSO resets the "Hidden Menu" back to being "hidden", so after a reboot you would also need to dial *#22745927 to get to a screen which has one entry "Hidden Service Menu Disabled" all over again.
Oh, so as windstrings mentions above, this "fix" is only temporary.That's too bad. I knew the menu code was. There is probably some way, with a rooted phone, to change this setting and make it stick. It's obviously not changing the boot option but just the function in memory.

By the way, I had this same problem, as I mentioned very early in this thread, but after uninstalling Battery Defender the problem went away.

It very well may be that there is some other app that could be the culprit here. I installed WiFi Manager because I really liked the toggle widget, but then I uninstalled it testing for this problem. A month later I decided to put it back on. After installing it the second time, my app/widget placement process went haywire! I couldn't place an app icon on a home page because they would start screaming by - wooshing so fast you couldn't do anything. If I tried to just move an icon, same thing. The pages would start whizzing in a chaotic manner.

Well, I uninstalled Wifi Manager and it didn't do anything. After trying other obvious things, I installed it again and then selected "Clear Data" in Application Manager and that solved the problem!

One time my phone and PC connection stopped functioning, and every possible thing there was to do didn't fix it, UNTIL I pulled the battery! I've only had this phone 2.5 months and I've already had these weird problems!

It just goes to show that some screwy things can happen on these phones, and another user installed app could've boinked yer Wifi. Try to think if you installed something about the time this started and clear the data of that app and see what happens.
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Old June 2nd, 2013, 10:04 AM   #131 (permalink)
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Oh, so as windstrings mentions above, this "fix" is only temporary.That's too bad. I knew the menu code was. There is probably some way, with a rooted phone, to change this setting and make it stick. It's obviously not changing the boot option but just the function in memory.

By the way, I had this same problem, as I mentioned very early in this thread, but after uninstalling Battery Defender the problem went away.

It very well may be that there is some other app that could be the culprit here. I installed WiFi Manager because I really liked the toggle widget, but then I uninstalled it testing for this problem. A month later I decided to put it back on. After installing it the second time, my app/widget placement process went haywire! I couldn't place an app icon on a home page because they would start screaming by - wooshing so fast you couldn't do anything. If I tried to just move an icon, same thing. The pages would start whizzing in a chaotic manner.

Well, I uninstalled Wifi Manager and it didn't do anything. After trying other obvious things, I installed it again and then selected "Clear Data" in Application Manager and that solved the problem!

One time my phone and PC connection stopped functioning, and every possible thing there was to do didn't fix it, UNTIL I pulled the battery! I've only had this phone 2.5 months and I've already had these weird problems!

It just goes to show that some screwy things can happen on these phones, and another user installed app could've boinked yer Wifi. Try to think if you installed something about the time this started and clear the data of that app and see what happens.
I can't imagine anything I would have installed that might affect wifi, unless is would be one of the browsers I have been using. I keep looking for a reliable browser that doesn't mangle websites and provide spotty performance. I have yet to find a solution. So I use 4 different browsers based upon each of their quirks and which website I am visiting, to minimize frustrations. But I don't get into optimizers and battery savers and Task Killers and that sort of stuff.
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Old June 2nd, 2013, 11:03 AM   #132 (permalink)
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I can't imagine anything I would have installed that might affect wifi, unless is would be one of the browsers I have been using. I keep looking for a reliable browser that doesn't mangle websites and provide spotty performance. I have yet to find a solution. So I use 4 different browsers based upon each of their quirks and which website I am visiting, to minimize frustrations. But I don't get into optimizers and battery savers and Task Killers and that sort of stuff.
Well, that's one way to solve your browser problem! I've been browser hopping myself recently.

My point was that it may have not been something that would be obviously related to the Wifi. It could be any app, just one that was installed around the time this started.

Also, if all else fails, pull the battery. That's how I solved my USB connect problem after bangin my head against the wall for hours. >>
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Old June 2nd, 2013, 04:06 PM   #133 (permalink)
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Well, that's one way to solve your browser problem! I've been browser hopping myself recently.

My point was that it may have not been something that would be obviously related to the Wifi. It could be any app, just one that was installed around the time this started.

Also, if all else fails, pull the battery. That's how I solved my USB connect problem after bangin my head against the wall for hours. >>
Thanks, I'll keep that in mind. However I really can't pinpoint a beginning to the wifi dropping issue on the S3, because several devices back through time have always seemed to have some issue with hanging onto a wifi signal here. Years ago I replaced an accursed Linksys WRT54G router (TWICE) due to this problem and it settled down some with my current D-Link router. Since for me it only drops wifi now and then I just put up with it and manually reconnect, rather than the hours I would have to spend starting out with a blank S3 and building one app at a time and waiting to see of the wifi were stable (or removing them one at a time for the same process). I rely on most of the apps for something, so would miss that convenience during all the testing. And , I might never actually find an app causing it. Sort of a "cure is worse than the disease" scenario. lol.

As for USB, I am not happy you are having a problem, but am relieved to find out it isn't just me. USB is a royal pain, always has been for me. There is nothing stable or reliable about it. I can't wait until it gets replaced with some other technology, which could not possibly be any worse! With Android's push to abandon USB Mass Storage being any kind of indicator, I figure it's just a matter of time.

Thanks!
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Old August 10th, 2013, 01:47 PM   #134 (permalink)
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[QUOTE=AeroSign;4530847]I dialed *#0011# pressed menu button (first picture) then selected WIFI and got to the next screen (second picture). I pressed the button so it says "Off". Hit back until I was back in the homescreen. WIFI has worked to my satisfaction ever since.

I am on the initial firmware 'xxxxxLE8 if that makes a difference.




hi. i have tried the menu thing. but i dont have the option of wifi on my samsung galaxy s2 from straight talk. i am in need of some help. my wifi refuses to work correctly and its driving me up the wall. it will authenticate, then disable. HELP!!!
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Old August 10th, 2013, 02:32 PM   #135 (permalink)
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Didn't work on my S3. My wifi will randomly go off, either during charging with phone on or phone on standby. I've rebooted phone, done soft reset, nothing fixes the issue.
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