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I managed to unlock bootloader unlock allowed: no with the new security

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My Arc S is 12W35 and have Unlock bootloader allowed: No

First I tried to do testpoint (with S1TOOL) on my Arc S and I get: NOT RECOGNIZED SIMLOCK CERTIFICATE.

After I followed this tutorial to convert .img to .ftf and try to flash with flashtool:

http://forum.xda-developers.com/show...67&postcount=9

I converted the lastert official LegacyXperia CM11 nightly to .ftf and tried to flash with flashtool.

(If you have an error like C:\Flashtool\devicesyourdevice\loader_unlocked.sin (System can not find the file specified) in flashtool, just grab the file loader_unlocked.sin from R800 folder to your device folder thread link: http://forum.xda-developers.com/show....php?t=2207610 thx to Abhinav2)

It Worked!

Later I was thinking why it worked?
R: I just compared latest R800 ftf's loader.sin with latest LT18i ftf's loader.sin using WinMerge and it said that the files are identical!

So if you flash the R800 loader_unlocked.sin (in Flashtool's device folder you can find it) on you locked bootloader phone it will unlock your bootloader.

PS: Even if you not have fastboot access you can follow the tutorial to convert .img to .ftf and flash it. It will works!

Sorry for my bad english.
 
 
1st May 2014, 05:32 PM |#2  
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Hi,
Wooow,sounds ery gooood!!!!
Is your phone was simlocked?
Can you post your tft file?
Last edited by mman1982; 1st May 2014 at 05:41 PM.
1st May 2014, 05:55 PM |#3  
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Quote:
Originally Posted by mman1982

Hi,
Wooow,sounds ery gooood!!!!
Is your phone was simlocked?
Can you post your tft file?

My phone was not sim locked.

I attached kernel.ftf with LegacyXperia latest nightly official CM11 kernel for anzu.
Attached Files
File Type: zip kernel.zip - [Click for QR Code] (7.66 MB, 191 views)
1st May 2014, 06:22 PM |#4  
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I will try,but i must charge my phone.I think the key is that your phone was not sim locked,because if it's not simlocked then you can unlock bootloader.(unlock allowed no was mistake in your case i think,there is no reason why you get NO there)
Last edited by mman1982; 1st May 2014 at 06:29 PM.
1st May 2014, 06:31 PM |#5  
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Quote:
Originally Posted by mman1982

I will try,but i must charge my phone.I think the key is that your phone was not sim locked,because if it's not simlocked then you can unlock bootloader.(unlock allowed no was mistake in your case i think,there is no reason why you get NO there)

But I don't get fastboot access.
1st May 2014, 07:43 PM |#6  
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flashtool output
Quote:
Originally Posted by Cristiano Lira

But I don't get fastboot access.

01/027/2014 20:27:44 - INFO - Opening device for R/W
01/027/2014 20:27:44 - INFO - Reading device information
01/028/2014 20:28:02 - INFO - Unable to read from phone after having opened it.
01/028/2014 20:28:02 - INFO - trying to continue anyway
01/028/2014 20:28:02 - INFO - Start Flashing
01/028/2014 20:28:02 - INFO - Processing loader
01/028/2014 20:28:02 - INFO - Checking header
01/028/2014 20:28:02 - INFO - Ending flash session
01/028/2014 20:28:02 - ERROR - Error in processHeader : 22 : Az eszköz nem ismeri fel a parancsot. (Device does not recognize command)
01/028/2014 20:28:02 - ERROR - Error flashing. Aborted

Next time i get:
01/037/2014 20:37:51 - INFO - Current device : LT18i - ******* - 1254-9461_R2I - 1253-8238_4.1.B.0.587 - WORLD-a_4.1.B.0.587
01/037/2014 20:37:51 - INFO - Start Flashing
01/037/2014 20:37:51 - INFO - Processing loader
01/037/2014 20:37:51 - INFO - Checking header
01/037/2014 20:37:51 - INFO - Ending flash session
01/037/2014 20:37:51 - ERROR - ERR_SEVERITY="MAJOR";ERR_CLASS="SECURITY_CLASS";ER R_DYNAMIC="SIN header verification failed"

---------- Post added at 08:43 PM ---------- Previous post was at 08:29 PM ----------

How did you managed to flash this? Flash with flashtool on flashmode? What you selected at flashtool? Did you reboot the phone and pressed back button the connect USB?
Last edited by mman1982; 21st May 2014 at 03:35 PM. Reason: info
1st May 2014, 07:45 PM |#7  
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Quote:
Originally Posted by mman1982

01/027/2014 20:27:44 - INFO - Opening device for R/W
01/027/2014 20:27:44 - INFO - Reading device information
01/028/2014 20:28:02 - INFO - Unable to read from phone after having opened it.
01/028/2014 20:28:02 - INFO - trying to continue anyway
01/028/2014 20:28:02 - INFO - Start Flashing
01/028/2014 20:28:02 - INFO - Processing loader
01/028/2014 20:28:02 - INFO - Checking header
01/028/2014 20:28:02 - INFO - Ending flash session
01/028/2014 20:28:02 - ERROR - Error in processHeader : 22 : Az eszköz nem ismeri fel a parancsot. (Device does not recognize command)
01/028/2014 20:28:02 - ERROR - Error flashing. Aborted

Next time i get:
01/037/2014 20:37:51 - INFO - Current device : LT18i - BX90357W8D - 1254-9461_R2I - 1253-8238_4.1.B.0.587 - WORLD-a_4.1.B.0.587
01/037/2014 20:37:51 - INFO - Start Flashing
01/037/2014 20:37:51 - INFO - Processing loader
01/037/2014 20:37:51 - INFO - Checking header
01/037/2014 20:37:51 - INFO - Ending flash session
01/037/2014 20:37:51 - ERROR - ERR_SEVERITY="MAJOR";ERR_CLASS="SECURITY_CLASS";ER R_DYNAMIC="SIN header verification failed"

---------- Post added at 08:43 PM ---------- Previous post was at 08:29 PM ----------

How did you managed to flash this? Flash with flashtool on flashmode? What you selected at flashtool? Did you reboot the phone and pressed back button the connect USB?

I flashed in Flashtool with flashmode. I powered off and pressed back buton wihle plugging in the USB cable.
Select no final verification.
Last edited by Cristiano Lira; 1st May 2014 at 08:02 PM.
1st May 2014, 08:05 PM |#8  
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Unhappy testpoint
No, but if that don't work i think don't do anything..

---------- Post added at 09:05 PM ---------- Previous post was at 08:54 PM ----------

Yes, i did exactly the same..not worked for me Sad
1st May 2014, 08:58 PM |#9  
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Quote:
Originally Posted by mman1982

No, but if that don't work i think don't do anything..

---------- Post added at 09:05 PM ---------- Previous post was at 08:54 PM ----------

Yes, i did exactly the same..not worked for me Sad

Try to do testpoint. Then try to flah the .ftf again and say the results.
2nd May 2014, 10:06 AM |#10  
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Hi,

I have warranty,so testpoint is my last choice. Can you tell me your flashtool version? Btw,my phone is simlocked. You used http://m.youtube.com/watch?v=wo653FhMbvQ this testpoint?Or connect one side to simcard locker?
Last edited by mman1982; 2nd May 2014 at 10:30 AM.
2nd May 2014, 12:07 PM |#11  
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Quote:
Originally Posted by mman1982

Hi,

I have warranty,so testpoint is my last choice. Can you tell me your flashtool version? Btw,my phone is simlocked. You used http://m.youtube.com/watch?v=wo653FhMbvQ this testpoint?Or connect one side to simcard locker?

My flashtool version is 0.9.14.0. I connected one side to simcard locker and used S1Tool.

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