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Old February 28th, 2010, 02:04 PM   #1 (permalink)
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Default URGENT: Really Serious Bug in Galaxo 1.5 (probably in android)

I am using GalaxHero today i tried to fastboot the 4.6.1 recovery, but i just forgot to plug in the cable so in a few seconds the phone booted up, after than i realised that the phone did not ask me for pin, i tried it several times and it never asked me my pin.

steps to see how it happens:
1- shut down your phone in any way (by removing the battery/long press the right call button (end button)/ adb shell restart)
2- boot the phone with fastboot option (long press the two call buttons at the same time)
3- don't plug in cable if plugged in remove it
4- wait for a few seconds the usual booting routine will go on (android and theme splashes)
5- you will see that it does not ask you to enter your pin. but you may make calls, connect to internet as usual.

can anyone else confirm this? or is it only me?

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Old February 28th, 2010, 03:33 PM   #2 (permalink)
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Quote:
Originally Posted by atbeyi View Post
I am using GalaxHero today i tried to fastboot the 4.6.1 recovery, but i just forgot to plug in the cable so in a few seconds the phone booted up, after than i realised that the phone did not ask me for pin, i tried it several times and it never asked me my pin.

steps to see how it happens:
1- shut down your phone in any way (by removing the battery/long press the right call button (end button)/ adb shell restart)
2- boot the phone with fastboot option (long press the two call buttons at the same time)
3- don't plug in cable if plugged in remove it
4- wait for a few seconds the usual booting routine will go on (android and theme splashes)
5- you will see that it does not ask you to enter your pin. but you may make calls, connect to internet as usual.

can anyone else confirm this? or is it only me?
asks me for pin every time, cannot replicate it and im using galaxhero ii5 recovery 4.4
and yes im doing fastboot each time
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Old February 28th, 2010, 05:38 PM   #3 (permalink)
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Quote:
Originally Posted by atbeyi View Post
I am using GalaxHero today i tried to fastboot the 4.6.1 recovery, but i just forgot to plug in the cable so in a few seconds the phone booted up, after than i realised that the phone did not ask me for pin, i tried it several times and it never asked me my pin.

steps to see how it happens:
1- shut down your phone in any way (by removing the battery/long press the right call button (end button)/ adb shell restart)
2- boot the phone with fastboot option (long press the two call buttons at the same time)
3- don't plug in cable if plugged in remove it
4- wait for a few seconds the usual booting routine will go on (android and theme splashes)
5- you will see that it does not ask you to enter your pin. but you may make calls, connect to internet as usual.

can anyone else confirm this? or is it only me?
Yeap, I can replicate this scenario also in 1.6. No PIN number asked!

I7500XXJB2 (official 1.6)
Recovery 4.6.1
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Old February 28th, 2010, 07:23 PM   #4 (permalink)
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I've flashed my phone like 20 times, cable or not, never asked me for pin... both 1.5 and 1.6. Never realised it was a problem, now that you mention it, yikes!
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Old March 1st, 2010, 12:11 AM   #5 (permalink)
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last night i talked with drakaz in dev irc channel, he and Willd said that it happens sometimes. as i see not so much person cares about this issue but this is the worst bug i've ever seen in a phone.

* drakaz said that this maybe a samsung bug. cause it can be redone without galaxo/galaxhero.
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Old March 1st, 2010, 12:15 AM   #6 (permalink)
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Quote:
Originally Posted by davyu View Post
I've flashed my phone like 20 times, cable or not, never asked me for pin... both 1.5 and 1.6. Never realised it was a problem, now that you mention it, yikes!
while you normally boot does it ask you your pin? i mean does your pin lock is enabled?
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Old March 1st, 2010, 03:17 AM   #7 (permalink)
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Quote:
Originally Posted by atbeyi View Post
while you normally boot does it ask you your pin? i mean does your pin lock is enabled?
Of course it is enabled! That is the reason of this whole conversation
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Old March 1st, 2010, 05:03 AM   #8 (permalink)
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Stock 1.6 here, works as intended for me. Switched off the phone, fastbooted, waited for it to time out and reboot, booted to the PIN screen.
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Old March 1st, 2010, 05:08 AM   #9 (permalink)
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Is it an application causing it maybe? Do you still get the issue after a factory reset?
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Old March 1st, 2010, 05:35 AM   #10 (permalink)
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since seeing other people can replicate this ive tried over and over.
i cannot replicate it although now i have 50% battery from too many attempts
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Old March 1st, 2010, 05:50 AM   #11 (permalink)
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Yes it does that for me too, on GalaxHero 1.1.1 (ii5).

I would guess it's a firmware issue.
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Old March 1st, 2010, 05:56 AM   #12 (permalink)
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but im on 1.1.1 ii5 !!!!

could it be to do with providers simcard recognition?
im with o2uk i cannot bypass pin at all
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Old March 1st, 2010, 05:57 AM   #13 (permalink)
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I'm O2UK too...
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Old March 1st, 2010, 06:00 AM   #14 (permalink)
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Quote:
Originally Posted by MichaelW View Post
I'm O2UK too...
lol wtf then
is your sim 8944110063 or 8944110064?
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Old March 1st, 2010, 06:53 AM   #15 (permalink)
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rofl this works for me on stock 1.6 with only spare parts installed. O2UK. Way to go samsung!
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Old March 1st, 2010, 11:10 AM   #16 (permalink)
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Quote:
Originally Posted by Rastaman-FB View Post
but im on 1.1.1 ii5 !!!!

could it be to do with providers simcard recognition?
im with o2uk i cannot bypass pin at all
I have tried it with 3 different sim cards
1- Avea (TR)
2- Turkcell (TR)
3- Cosmophone (Macedonia)

all gives the same with even a factory reseted phone.
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Old March 1st, 2010, 12:10 PM   #17 (permalink)
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odd

EDIT

try this, put sim card into an old phone like a nokia etc and enable sim pin security on that phone then put it back in the galaxy and see if it does the same

i have a feeling that maybe the galaxy doesnt enable sim security properly thus it having this affect on some of you and not all of us

i had my sim pin enabled from 3 phones ago and i cannot bypass it at all.

would suggest its still a bug with galaxy as it means it cannot secure the sim correctly
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Old March 1st, 2010, 02:21 PM   #18 (permalink)
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Its not possible to use a sim card without entering the PIN unless there is a problem with the SIM's personalisations.

The phone should never (and I cant beleive it does) cache the SIM pin.

If we are talking about the android lock screen, thats different. There are loads of ways to bypass that

I expect in this case one of the following is happening

- Personalisations on the SIM are broken
- Pin was never set in the first place - but then why ever ask for it?
- SIM interface was never restarted (but shouldnt happen from cold boot)

I'm inclined to think this cant be happening from a cold boot
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Old March 1st, 2010, 03:10 PM   #19 (permalink)
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well i was thinking of this scenario KAM

sim didnt have pin function enabled on it prior to being placed on handheld
user sets sim pin security on the galaxy
galaxy doesnt write to the sim security section correctly
fastboot some how reads past the corrupt security section on sim

while im inclined to believe you KAM there are too many people here replicating it
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Old March 1st, 2010, 03:16 PM   #20 (permalink)
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Yeah, the only plausible explanation is what you're saying - the PIN was never actually set. I assumed that people set the pin, and cold boot and get a PIN prompt first. Which makes you wonder why would it ask for a pin then.

OR the SIM card is provisioned incorectly and isnt locking the correct fields (highly unlikely).

We're definatly talking about a SIM pin and not the phone pattern lock right :-/ ?
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Old March 1st, 2010, 03:19 PM   #21 (permalink)
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let me just fastboot again i thought mine asked for pattern lock aswell
EDIT

fastbooted, asked for pin 1st then pattern lock
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Old March 1st, 2010, 04:26 PM   #22 (permalink)
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That's a point. I was talking about the pattern, I've never used a SIM lock.
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Old March 1st, 2010, 04:53 PM   #23 (permalink)
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Ok.. Pattern lock is flaky. Its just a system process and blocks input to the rest of the UI. If you could background it for example you could still access everything.

There's ALOT of ways to bypass pattern lock
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Old March 1st, 2010, 11:02 PM   #24 (permalink)
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Quote:
Originally Posted by kam187 View Post
Its not possible to use a sim card without entering the PIN unless there is a problem with the SIM's personalisations.

The phone should never (and I cant beleive it does) cache the SIM pin.

If we are talking about the android lock screen, thats different. There are loads of ways to bypass that

I expect in this case one of the following is happening

- Personalisations on the SIM are broken 3 different sim cards/ 3 different providers have been checked just by me.
- Pin was never set in the first place - but then why ever ask for it? all 3 cards asks pin with normal boot on android phone (samsung galaxy) and different phone models. (Hp Ipaq 500 series, nokia 1100)
- SIM interface was never restarted (but shouldnt happen from cold boot)

I'm inclined to think this cant be happening from a cold boot
and as i've mentioned before i may make calls, connect to internet over 3g and/or edge (which one is avaliable at that moment)

last night i have talked drakaz and willdd in the dev irc channel (i am sure you know but : irc.freenode.net / #i7500) and he said that this happens sometimes.

there are different people who says that this can be reproduced by themselves too.

and also there are some other turkish guys who says that after my mentioning of the problem they have tried and they lived the same problem.

thats not about screen lock thats about sim lock.
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Old March 2nd, 2010, 03:43 AM   #25 (permalink)
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can you do what i asked please i understand what you are saying but like kam said:
sim security is locked to the sim itself so the only common thing that could be happening is that pin is being set on the galaxy rather than another phone and the galaxy cannot write it properly
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Old March 2nd, 2010, 04:00 AM   #26 (permalink)
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Quote:
Originally Posted by Rastaman-FB View Post
can you do what i asked please i understand what you are saying but like kam said:
sim security is locked to the sim itself so the only common thing that could be happening is that pin is being set on the galaxy rather than another phone and the galaxy cannot write it properly
I've allready done it with Hp Ipaq 514 and nokia 1100.

they ask for pin all the time for all the 3 sim cards. i removed the pin lock and re enabled it with ipaq and nokia just to test.
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Old March 2nd, 2010, 04:15 AM   #27 (permalink)
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I've never used pattern lock, and I've had the same SIM with the same PIN for years and haven't set or changed it in the Galaxy.

Booting into fast boot mode starts up as normal but never asks me to enter the PIN to unlock the SIM.
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Old March 2nd, 2010, 04:18 AM   #28 (permalink)
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Quote:
Originally Posted by MichaelW View Post
I've never used pattern lock, and I've had the same SIM with the same PIN for years and haven't set or changed it in the Galaxy.

Booting into fast boot mode starts up as normal but never asks me to enter the PIN to unlock the SIM.
this is exactly what happens.

and this is a really big security hole.
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Old March 2nd, 2010, 05:54 AM   #29 (permalink)
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this is mad
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Old March 2nd, 2010, 01:01 PM   #30 (permalink)
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Quote:
Originally Posted by Rastaman-FB View Post
this is mad
now we see that both 1.5 and 1.6 are effected. and also both galaxo/galaxhero and stock firmwares are effected.

i am now wondering how can a device/software (which ever has the gap i don't know) can bypass the sim lock session.
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Old March 2nd, 2010, 02:01 PM   #31 (permalink)
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Wow thats insane. That means that the SIM itself is at fault.

I'm guessing they protected AUTH but not LOCI or KC. Whoever provisioned those SIMs at the network was an idiot :P

Try this.. boot without PIN. Go to manual network search. Select some other network (that isnt yours). It will fail (and clear out your temporary subscription on your SIM). Now try to lock onto your normal network.

I bet it asks for pin.
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Old March 2nd, 2010, 02:10 PM   #32 (permalink)
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i still cant replicate it though
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Old March 2nd, 2010, 02:25 PM   #33 (permalink)
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yeah will be SIM dependant.

A SIM is a bit like a normal filesystem, but with fixed directory structure and fixed files. The files are either there, or not there. Then you can set permisions on them. Eg. requires PIN1 to read, PIN2 to write. Or Read only, or PIN1 to read, no write etc

There is also a special AUTH procedure which generates the key to lock you onto the network. After you auth, it generates a temporary key to use to encrypt the voice and for future logins for a period of time (network decides this, usually a few hours to a week).

A properly personalised SIM would protect SMS, phonebook, AUTH, temporary key/id files. Or in fact the whole GSM subdirectory.
On the galaxy, it would boot, and read the serial number of the SIM, then a few other files, and then go into the GSM directory. As SOON as any file returned 'need pin 1' it would prompt you for PIN. If using fastboot this first prompt was ignored you would just be prompted for the pin when it tried to read the GSM directory.

An improperly personlised SIM would just protect some non essential (for network login) file that is read on boot. Using fastboot it may skip reading this file, OR read it but not ask for PIN. Since the GSM directory is not protected, it can continue reading and login as normal.

This is 99% the SIM's fault - bad provisioning, and 1% the phones fault - probably skips reading some non essential file when booted with fastboot.
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Old March 2nd, 2010, 10:32 PM   #34 (permalink)
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Quote:
Originally Posted by kam187 View Post
yeah will be SIM dependant.
---

This is 99% the SIM's fault - bad provisioning, and 1% the phones fault - probably skips reading some non essential file when booted with fastboot.
kam i have tried it with all three sim cards i have, two of them didn't let me to roam to another network as intended the cosmophone one roamed to all three networks working in turkiye as intended too. after than i tried the steps to reproduce the issue. and everything is same.

the SIMs are not broken, they work as usual in any other phones (smart and dumb phones), they always ask for PIN when ever the phone starts in other phones.

i tried to test if i can screw up the "call baring" and FDN (fixed dialing numbers) but they worked as intended. FDN asked for PIN2 and call baring worked (cause its done in the network itself i guess).

Now what do i have:

- If i boot to fastboot and then let it go itself it never ever asks me PIN (tested with 3 different SIM Cards) (which are working with different phones)
- If i boot to fastboot and then let it go itself it asks me to enter PIN2 when i had enabled FDN and try to call a different phone number which is not in the FDN list.

Can we say that all three SIM Cards are broken/buggy which are all from different providers? although they are working realy good with different phones?

lets assume that my three SIM Cards are all broken/buggy what about those other guys SIM Cards? One of them says that he is using same SIM Card with the same PIN for years with several different phones.

Even tough the SIM Cards are faulty there is still a bug in Galaxy. no other phones act like it acts with faulty assumed SIM Cards.
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Old March 3rd, 2010, 07:45 AM   #35 (permalink)
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You have a CD with a big scratch on it. It plays fine in three CD players, but skips in a fourth. Is it a faulty CD player?
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Old March 3rd, 2010, 08:29 AM   #36 (permalink)
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Quote:
Originally Posted by Cougar View Post
You have a CD with a big scratch on it. It plays fine in three CD players, but skips in a fourth. Is it a faulty CD player?
im keeping this quote for epicness.

i will use this again
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Old March 3rd, 2010, 09:33 AM   #37 (permalink)
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I accept payment in most major forms of alcohol.
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Old March 3rd, 2010, 09:37 AM   #38 (permalink)
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Old March 3rd, 2010, 09:48 AM   #39 (permalink)
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Quote:
Originally Posted by Cougar View Post
You have a CD with a big scratch on it. It plays fine in three CD players, but skips in a fourth. Is it a faulty CD player?
no man this a bit different,

this is like having several different well working cd roms which plays really good on all players except one of them.

as i severally said before all three sim cards are really working great with different phones but only galaxy is not working good with them.

if those three sim cards are defected how can they work well with different phone models? and also how can they work well with galaxy except after doing a fast boot.

and this is not only me even in this topic there are different guys/gals who also can replicate this problem.

SIM Cards are good, 1 of them is used by me for (aprx.) 6 years and 1 of them is 1 1/2 years old and the last one is only 2 weeks old. and the older one is a 32 bit SIM Card, 2nd one is 64 bit and the newest one is 128 bit. they are from different providers.
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Old March 3rd, 2010, 10:20 AM   #40 (permalink)
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The sim cards are not 'broken'. They are just incorectly configured.

Its the same as you installing a password on your windows computer but only for the webcam :P

The PIN should lock GSM AUTH, LOCI/TIMSI/KC - cached auth locations, phonebook (maybe it does since you never use the SIM phonebook), SMS (maybe it does because you never use SIM SMS).

Its like saying 5 of you're laptops are working fine because they check the webcam password before letting you login, and the 6th is broken because it doesnt.

There IS a bug in the galaxy, sure, but its a MUCH smaller security problem than in your SIM cards :-/
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Old March 3rd, 2010, 12:04 PM   #41 (permalink)
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Wait guys, I don't know if this is clear for most of you, but with this flaw it is only possible to bypass the SIM security restriction on a SIM card that its PIN was inserted in a previous boot, i.e. never with a new SIM.

Basically, booting in fastboot mode only disables the initial insert PIN screen. Then a) if PIN was inserted before booting, you can have full access to the carrier service, or b) if PIN was not inserted before booting, you don't have access to the carrier service (neither if you select it from available networks - cannot register in it) and you have to normally restart it to access the service.

But still, this is a serious flaw. If I lose my phone, anyone (make that people who read this forum ) can turn off the phone the number of times they want and still make calls with my SIM.
And I add this: this bypass still works if you take out the battery (and even SIM) before the fastboot.
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Old March 3rd, 2010, 12:06 PM   #42 (permalink)
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So you mean the PIN needs to be inserted once. So its the baseband caching it?

ok, then its a major samsung flaw!
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Old March 3rd, 2010, 12:18 PM   #43 (permalink)
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Originally Posted by kam187 View Post
So you mean the PIN needs to be inserted once. So its the baseband caching it?

ok, then its a major samsung flaw!
Yes, that's what I think too.
I think this is very similar to the scenario when sometimes your phone freezes and auto-boots, it skips the PIN insertion screen.

About the fact that some people can replicate this, some don't (even with the same baseband) I suspect that it has to with the fastboot version, maybe?

Mine: v0.5 build 13 Dec 2009
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Old March 3rd, 2010, 03:02 PM   #44 (permalink)
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Quote:
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So you mean the PIN needs to be inserted once. So its the baseband caching it?

ok, then its a major samsung flaw!
lets say there are two sim cards with different pins, sim a and sim b

insert sim a to the phone boot with fastboot PIN is asked, insert pin, remove battery, remove sim, re insert sim and batterry, fastboot; no PIN is asked after all and you may use all the abilities of the SIM Card.

same scenario can be done with SIM B
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Old March 3rd, 2010, 04:25 PM   #45 (permalink)
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I'm not sure if this is the same issue, but I noticed that whenever the phone reboots, it doesn't ask for PIN. I don't think that's really a bug but it's actually a feature (ha ha). Since if you reboot you already had to enter PIN anyway...
Can you replicate this "problem" starting with a completely turned off phone, without having to enter PIN even once and still be able to call? If not I don't think it's anything to worry about.
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Old March 3rd, 2010, 05:09 PM   #46 (permalink)
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Originally Posted by mrbrdo View Post
I'm not sure if this is the same issue, but I noticed that whenever the phone reboots, it doesn't ask for PIN. I don't think that's really a bug but it's actually a feature (ha ha). Since if you reboot you already had to enter PIN anyway...
Can you replicate this "problem" starting with a completely turned off phone, without having to enter PIN even once and still be able to call? If not I don't think it's anything to worry about.
I think you didn't read the previous posts. Where in the part of "removing the battery, boot and still be able to make calls without entering PIN" you didn't understand? And, again, it's not possible to bypass the PIN if you put the card for the first time, but after inserting, you can bypass it in following boots.

Oh well, here's a video demonstrating this (just fast-forward the boring parts): YouTube - Android bypassing PIN insertion
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Old March 4th, 2010, 01:02 AM   #47 (permalink)
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Originally Posted by NoUse4aNick View Post
Oh well, here's a video demonstrating this (just fast-forward the boring parts):

is it a galaxy or anyother app?

(i am using galaxy and wifi tether now thats why i can't watch it)
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Old March 4th, 2010, 01:06 AM   #48 (permalink)
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Quote:
Originally Posted by NoUse4aNick View Post
Oh well, here's a video demonstrating this (just fast-forward the boring parts):

is it a galaxy or any other phone?

(i am using galaxy and wifi tether now thats why i can't watch it)
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Old March 4th, 2010, 07:47 AM   #49 (permalink)
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Anyone wanna sue Samsung? Nah just kidding. Maybe this can be fixed in musty or drak builds?
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Old March 4th, 2010, 08:40 AM   #50 (permalink)
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This is depressing. It also works on stock v1.5, and even circumvents the pattern unlock.
Edit: Oh wait, this time it did ask for my pattern. Hmm.
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