[Q] Help! Unlocking Bootloader for Arc S

mshipXZ · Dec 30, 2013

I'm trying to unlock the bootloader on my newly Arc S LT18i Sakura Pink device. I have already followed Sony's intructions but either Flashtool or Sony's way doesen't work. My bootloader allowed status: Yes. I already trippled check my key and IMEI. Still it just tells me the OEM ERROR. Please help.

popthosegaskets · Dec 30, 2013

Did you enable USB Debug or Unknown Sources?

僕のLT18iから送られてきた

mshipXZ · Dec 31, 2013

Yes all mentioned are enabled. I'm using stock rom and kernel. I have an older Arc which I did this unlocking easy. I swap my Arc to get this Arc S. I love the 1.4GHz increase. I'm on stock .69 GB. I tried W7 to unlock but didn't work. Here's the problem. This is on W8.

Sent from my LT18i using xda app-developers app

mshipXZ · Dec 31, 2013

Picture of the progress. PLEASE HELP!!!

((((

popthosegaskets · Dec 31, 2013

mshipXZ said:
Picture of the progress. PLEASE HELP!!! ((((

You might want to try again on W7. W8 has known problems with fastboot.

mshipXZ · Jan 1, 2014

I tried it on W7 But didn't work either. . .

same result. . .

Abhinav1997 · Jan 1, 2014

How many characters did you inserted of your IMEI? All the numbers or left the last one?

Cheers,
AJ

mshipXZ · Jan 2, 2014

Abhinav2 said:
How many characters did you inserted of your IMEI? All the numbers or left the last one?

Cheers,
AJ

I left the last one. I tried all characters but only got an error. So I left the one out. But when I got my Bootloader key it did not work..... HELP PLEASE.....

Abhinav1997 · Jan 2, 2014

mshipXZ said:
I left the last one. I tried all characters but only got an error. So I left the one out. But when I got my Bootloader key it did not work..... HELP PLEASE.....

Can you post a screenshot of the error?

Cheers,
AJ

mshipXZ · Jan 2, 2014

Abhinav2 said:
Can you post a screenshot of the error?

Cheers,
AJ

When I checked my Bootloader it said "Bootloader unlock allowed: YES" But when I got the key I tried to unlick it by both methods Flashtool and Sony's but it just gave me an OEM Unlock failed error. HELP!!! IT IS NOT SIMLOCK EITHER BUT WON'T WORK HELP!!! CAN THE IMEI BE CHANGED??? I READ ON SOME FROUM THAT THERE IMEI CHANGE WHEN FLASH NEW FIRMWARE.... BUT THATS ON XPERIA S.......................

popthosegaskets · Jan 2, 2014

mshipXZ said:
When I checked my Bootloader it said "Bootloader unlock allowed: YES" But when I got the key I tried to unlick it by both methods Flashtool and Sony's but it just gave me an OEM Unlock failed error. HELP!!! IT IS NOT SIMLOCK EITHER BUT WON'T WORK HELP!!! CAN THE IMEI BE CHANGED??? I READ ON SOME FROUM THAT THERE IMEI CHANGE WHEN FLASH NEW FIRMWARE.... BUT THATS ON XPERIA S.......................

IMEI does not change. Please dial *#06# to check your IMEI. I have only heard of this problem with Samsung phones about the changing IMEI when you flash a custom ROM.

僕のLT18iから送られてきた

mshipXZ · Jan 2, 2014

popthosegaskets said:
IMEI does not change. Please dial *#06# to check your IMEI. I have only heard of this problem with Samsung phones about the changing IMEI when you flash a custom ROM.

僕のLT18iから送られてきた

I already checked it and submit to Sony today I tried unlocking but still failed............. Help!!!............... He said in this thread that it can be unlocked. http://xdaforums.com/showthread.php?t=2172339&page=2

Abhinav1997 · Jan 2, 2014

mshipXZ said:
When I checked my Bootloader it said "Bootloader unlock allowed: YES" But when I got the key I tried to unlick it by both methods Flashtool and Sony's but it just gave me an OEM Unlock failed error. HELP!!! IT IS NOT SIMLOCK EITHER BUT WON'T WORK HELP!!! CAN THE IMEI BE CHANGED??? I READ ON SOME FROUM THAT THERE IMEI CHANGE WHEN FLASH NEW FIRMWARE.... BUT THATS ON XPERIA S.......................

OK, firstly I won't advice you to play with your IMEI. It can be very dangerous and might result in hard brick if that's what you want. Secondly I would recommend you to gain type the IMEI code properly with one digit less at sony's website to get the key, just in case, and try to do unlock again. I'll also keep looking for this error

Cheers,
AJ

mshipXZ · Jan 2, 2014

Abhinav2 said:
OK, firstly I won't advice you to play with your IMEI. It can be very dangerous and might result in hard brick if that's what you want. Secondly I would recommend you to gain type the IMEI code properly with one digit less at sony's website to get the key, just in case, and try to do unlock again. I'll also keep looking for this error

Cheers,
AJ

I tried it but still the same result. The key doesen't work. Doubled check it already still failed. :'( help!!!

mshipXZ · Jan 3, 2014

Can I repair my IMEI????????????? I can't unlock it....:crying:

mshipXZ · Jan 4, 2014

GUYS HELP WHY IS THIS ON MY PHONE WHEN I TRY TO Look at Phone INFO ON S1 TOOL??? "UNKNOWN SIMLOCK SIGNATURE DETECTED"

Hold 'BACK Button(s) And Connect 'Micro USB' Cable to Phone
Port Created ... OK

Phone info:
IMEI: XXXXXXXXXXXXXX
EROM Version: R9A029
Loader AID: 0001
EROM AID: 0001
Unique Device ID1: ED77D495CA2099E7F6A3E81B7B58DF2C7A1F2192

GDFS Info:
Model: LT18i
Software Version: 1253-8238_4.0.2.A.0.69
Core OS Version: WORLD-i_4.0.2.A.0.69
Custom Version: 1254-2250_R5D
Serial Number: CB5A1GTL8Y
UNKNOWN SIMLOCK SIGNATURE DETECTED
Phone Detached
Operation Completed
Operation Time: 00:00:02

kks111 · Jan 4, 2014

hi

mshipXZ said:
GUYS HELP WHY IS THIS ON MY PHONE WHEN I TRY TO Look at Phone INFO ON S1 TOOL??? "UNKNOWN SIMLOCK SIGNATURE DETECTED"

Hold 'BACK Button(s) And Connect 'Micro USB' Cable to Phone
Port Created ... OK

Phone info:
IMEI: XXXXXXXXXXXXXX
EROM Version: R9A029
Loader AID: 0001
EROM AID: 0001
Unique Device ID1: ED77D495CA2099E7F6A3E81B7B58DF2C7A1F2192

GDFS Info:
Model: LT18i
Software Version: 1253-8238_4.0.2.A.0.69
Core OS Version: WORLD-i_4.0.2.A.0.69
Custom Version: 1254-2250_R5D
Serial Number: CB5A1GTL8Y
UNKNOWN SIMLOCK SIGNATURE DETECTED
Phone Detached
Operation Completed
Operation Time: 00:00:02

i can unlock it ... pm me or contact me on gtalk muskanjainxx@gmail.com

FaiselW · Jan 4, 2014

Reflash the arc s ftf

Sent from my EndeavorU using XDA Premium 4 mobile app

Someguyfromhell · Jan 4, 2014

mshipXZ said:
Can I repair my IMEI????????????? I can't unlock it....:crying:

There is no need to mess with your IMEI at all.

If you are completely sure, that you got the correct code (enter only 14 first digits of your phone's IMEI at unlockbootloader.sonymobile.com), and it still does not work, make sure you have proper fastboot drivers installed. Personal experience shows, that the drivers from Flashtool package work just great (in Flashtool folder named drivers, by default in C:\Flashtool\drivers). I recommend you to try using Windows 7 as it is known to work there without any workarounds.

FaiselW said:
Reflash the arc s ftf

Sent from my EndeavorU using XDA Premium 4 mobile app

Please read what the topic is about, then post.

mshipXZ · Jan 5, 2014

Someguyfromhell said:
There is no need to mess with your IMEI at all.

If you are completely sure, that you got the correct code (enter only 14 first digits of your phone's IMEI at unlockbootloader.sonymobile.com), and it still does not work, make sure you have proper fastboot drivers installed. Personal experience shows, that the drivers from Flashtool package work just great (in Flashtool folder named drivers, by default in C:\Flashtool\drivers). I recommend you to try using Windows 7 as it is known to work there without any workarounds.

Well I already tried it but still nothing happened it still sent me an oem unlick failed status...

[Q] Help! Unlocking Bootloader for Arc S

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