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Old January 9th, 2012, 08:57 PM   #1 (permalink)
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Default Diagnostic mode?
Anyone know how to put the Prevail into Diagnostic Mode?

I know that on the Epic it is ##8778#. But on the Prevail it brings me to a screen but the computer wont pick it up as a device in diagnostic mode on any port. It does pick it up as a Samsung Modem. I have the standard drivers... could it be that I need to get diagnostic drivers? Disabling the modem didn't help either.

Any help/ideas folks?

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Old January 9th, 2012, 09:00 PM   #2 (permalink)
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I have used dm before without a hitch. Do you have USB debugging on? Or "ask on connection"?
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Old January 9th, 2012, 09:10 PM   #3 (permalink)
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I think it's ##7876# then hit email and it should reboot into the mode you need at least that's what I have o do on the to be able to change the prl of the phone
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Old January 9th, 2012, 10:12 PM   #4 (permalink)
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Quote:
Switch to a Sprint prl
All thanks to Koumajutsu for letting me use his tut
1) Turn on USB Debugging in the Settings > Applications > Development menu

2) Change your "DM" mode to USB on froyo
__a) Get your MSL: "adb shell getprop ril.MSL" (if you don't know how to use ADB, ask for help before following this)
__b) Enter the DM menu dial ##8778#
__c) Enter your MSL
__d) Select USB
To change your phone to DM mode for gingerbread
__a)Dial ##7678#
__b)Enter your MSL
__c)Select DM and your phone should reboot in DM mode
this should help
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Old January 10th, 2012, 01:30 AM   #5 (permalink)
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I thought I might of had the 7678 swapped around and I did thanks for that post as that is what i was trying to explain
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Old January 16th, 2012, 01:40 PM   #6 (permalink)
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this should help
I've been looking for an answer/fix to the usb diag port issue after using GB V2.1 from AA51. This worked perfectly
Thank you very much
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Old January 16th, 2012, 03:16 PM   #7 (permalink)
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your welcome
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Old March 28th, 2012, 12:35 PM   #8 (permalink)
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ok I know im going to make myself sound stupid but where do i dial ##7678# in order to be able to put in my msl number?
I've done it before just cant remember where I did it at
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Old March 28th, 2012, 12:37 PM   #9 (permalink)
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Originally Posted by prevail2exist View Post
ok I know im going to make myself sound stupid but where do i dial ##7678# in order to be able to put in my msl number?
I've done it before just cant remember where I did it at
use your dialer bro

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Old March 28th, 2012, 12:43 PM   #10 (permalink)
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I tried that but nothing happened

Edit: ok i tried the first number given which was ##8778# and the numbers just disappear
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Old March 28th, 2012, 12:47 PM   #11 (permalink)
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Originally Posted by prevail2exist View Post
I tried that but nothing happened
cyanogenmod does not have a dialer menu, you have to use this:

http://androidforums.com/galaxy-prevail-all-things-root/496242-script-dm-cm7-v1-2-update-2-10-a.html
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Old March 28th, 2012, 12:48 PM   #12 (permalink)
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im running CTMod 3.3 not CM7
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Old March 28th, 2012, 01:31 PM   #13 (permalink)
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Quote:
Originally Posted by prevail2exist View Post
im running CTMod 3.3 not CM7
pretty sure it works for both

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Old March 28th, 2012, 01:33 PM   #14 (permalink)
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Quote:
Originally Posted by prevail2exist View Post
im running CTMod 3.3 not CM7
3.3 is made from another phones ROM... The dialer isn't supported in 3.3 either
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Old March 28th, 2012, 05:38 PM   #15 (permalink)
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Quote:
Originally Posted by Caeadas View Post
yeah above post didnt say what rom he was using..plus i havent messed with prls and the hidden menu sense ctmod 2.4...i know back then you used the dialer..plus i thought he was asking where you would enter those numbers..thats why i said the dialer
i dont know much about that dl mode script so i wouldnt be of anymore help
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Old March 28th, 2012, 06:40 PM   #16 (permalink)
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Quote:
Originally Posted by prevail2exist View Post
im running CTMod 3.3 not CM7

Quote:
Originally Posted by Koumajutsu View Post
pretty sure it works for both

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It does .
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Old June 13th, 2012, 04:36 PM   #17 (permalink)
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Default same help needed... I think...
Have prevail...rooted...switched both 7876 & 8778 to USB...but still seems not to be in diag mode... Can't get cdma workshop to Connect...."failed.. Phone not answering"...3 days straight...HELP PLEASE
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Old June 13th, 2012, 05:08 PM   #18 (permalink)
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Originally Posted by 504rebel View Post
Have prevail...rooted...switched both 7876 & 8778 to USB...but still seems not to be in diag mode... Can't get cdma workshop to Connect...."failed.. Phone not answering"...3 days straight...HELP PLEASE
When you dialed #7678## entered msl then selected dm , did your phone reboot?
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Old June 13th, 2012, 05:10 PM   #19 (permalink)
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Originally Posted by 504rebel View Post
Have prevail...rooted...switched both 7876 & 8778 to USB...but still seems not to be in diag mode... Can't get cdma workshop to Connect...."failed.. Phone not answering"...3 days straight...HELP PLEASE
what rom are you running?
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Old June 13th, 2012, 05:44 PM   #20 (permalink)
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Originally Posted by 504rebel View Post
Have prevail...rooted...switched both 7876 & 8778 to USB...but still seems not to be in diag mode... Can't get cdma workshop to Connect...."failed.. Phone not answering"...3 days straight...HELP PLEASE
prolly not 2.5 or lower and not 1/2 ass.
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Old June 13th, 2012, 06:00 PM   #21 (permalink)
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[SCRIPT]DM for CM7/CTMOD [UPDATE 2/10]

Try that.
Enable DM mode, then reboot.
when done, use the script again to disable and reboot again
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Old June 13th, 2012, 07:02 PM   #22 (permalink)
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the script doesnt work on all phones. best thing to do is to make a backup and flash ctmod 2.4 and then dial ##7678# select dm and your phone should reboot. thats what i do and it works. did it a couple of days ago and it worked
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Old June 25th, 2012, 07:27 AM   #23 (permalink)
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Originally Posted by kolosus View Post
Anyone know how to put the Prevail into Diagnostic Mode?

I know that on the Epic it is ##8778#. But on the Prevail it brings me to a screen but the computer wont pick it up as a device in diagnostic mode on any port. It does pick it up as a Samsung Modem. I have the standard drivers... could it be that I need to get diagnostic drivers? Disabling the modem didn't help either.

Any help/ideas folks?
##7678# the phone will reboot.
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Old July 15th, 2012, 05:45 PM   #24 (permalink)
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the easiest way to put your Samsung Prevail in Diag Mode

BLOG.PUGETSOUNDELECTRONICS.COM: How to get Samsung Prevail in DIAG mode
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