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Tutorial Docomo Xperia A SO-04E unlock bootloader and install LineageOS

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By Severus_, Junior Member on 18th January 2019, 04:15 PM
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Hi folks,
I just unlock bootloader and flash LineageOS for SO-04E

Method:
1. You must flash KitKat from official here: https://ftf.andro.plus/
2. Check your bootloader status from *#*#7378423#*#* into the dialler. Choose service info and see bootloader unlock status. Only yes is unlockable.
3. Don't use fastboot to unlock it, it failed at first time and succed after but relocking on reboot.
4. Go to Sony unlock site to get unlock code, check for xperia ZR.
5. Download latest flashtool from flashtool.net and unlock it, make sure you unlock it 2 times. Because first time will be not enough.
6. flash twrp and LineageOS for dogo

It's the first time I write tutorial
 
 
18th January 2019, 04:18 PM |#2  
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Flag Ho Chi Minh
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everything is working fine, except NFC :sad:
6th February 2019, 05:46 PM |#3  
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It doesnt work for me
Can you make a tutorial video?
Many thanks
28th April 2019, 10:05 PM |#4  
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Quote:
Originally Posted by ngduyhung

It doesnt work for me
Can you make a tutorial video?
Many thanks

pls any helpful guide video for newbie at this stage
30th May 2019, 03:32 AM |#5  
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I think SO-04e is docomo (japan) version. So how to unlockbootloader? Because japan version is not unlockable
12th June 2019, 02:18 PM |#6  
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I tried to unlock my SO-04E, but failed.

1) Flash SO-04E 10.3.1.B.2.42 firmware
2) check lock status, my device said "No"
3) fastboot.exe oem unlock, "FAILED (remote: Command not allowed)"
4) Get unlock code
5) Execute "BLU" on Flashtool64.exe , twice.
Quote:

12/015/2019 22:15:06 - INFO - Device connected in flash mode
12/015/2019 22:15:07 - INFO - Opening device for R/W
12/015/2019 22:15:07 - INFO - Reading device information
12/015/2019 22:15:07 - INFO - Phone ready for flashmode operations.
12/015/2019 22:15:07 - INFO - Current device : SO-04E - CB5A1XK66F - 1276-9922_R17B - 1269-6048_10.3.1.B.2.48 - DCM-LTE_10.3.1.B.2.48
12/015/2019 22:15:07 - ERROR - root : this bundle is not valid
12/015/2019 22:15:07 - INFO - Processing loader.sin
12/015/2019 22:15:07 - INFO - Checking header
12/015/2019 22:15:07 - INFO - Flashing data
12/015/2019 22:15:07 - INFO - Processing of loader.sin finished.
12/015/2019 22:15:07 - INFO - Loader : S1_Root_5ca3 - Version : APQ8064_39 / Boot version : S1_Boot_Lagan_1.1.1_1 / Bootloader status : NOT_ROOTABLE
12/015/2019 22:15:07 - INFO - Start Reading unit 000008B2
12/015/2019 22:15:07 - INFO - Reading TA finished.
12/015/2019 22:15:07 - INFO - Ending flash session
12/015/2019 22:15:07 - INFO - Your phone bootloader cannot be officially unlocked
12/015/2019 22:15:07 - INFO - You can now unplug and restart your phone
12/015/2019 22:15:08 - INFO - Device connected in flash mode
12/015/2019 22:15:08 - INFO - Device disconnected

6) execute "fastboot flash boot twrp.img" , But "FAILED (remote: Command not allowed)"
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