Tutorial how to unbrick and update boot in Sony Xperia ZR C5502 / C5503

* If after flash your phone is dead and you do not have warranty,
this tutorial is for you. Remember,
during this process you can damage your phone,
everything you are doing on your own risk. For 99% your phone will not be
100% functional,
for example it will not be waterproof anymore if you will disassemble or
reassemble it improperly.

Bricked phone symptoms:
> can't power on after flash,
> no lcd or led reaction for power button,
> no lcd or led reaction for charger,
> no lcd or led reaction if phone is connected to PC,
> your PC can't detect your phone with vol-,
> phone does not vibrate when holding vol+ and power together

Repair procedure:

1. Firstly connect turned off bricked phone to your PC. If phone will be detected in device manager as:
qhusb_dload device
you are lucky and this is the end of the first step for you. Just disconnect phone.

* If your phone can't be detected at all, you must find testpoint. Disassemble your phone using this service manual: Sony Xperia ZR C5502 / C5503 Service Manuals , remove battery and connect each golden point on main board one by one to metal shield and attach usb cable. If your phone will be detected in device manager as flash device or something like that - congratulations - you've found testpoint. Don't forget to take a picture of main board and mark Sony Xperia ZR testpoint

2. Download and install the latest Gordon's Gate Flash Driver :ggsetup-3.0.0.7.exe

3. Download and run this s1tool : s1tool 28II2015.exe


4. Download proper APPSW firmware for your Sony Xperia ZR :

For C5502 : C5502

For C5503 : C5503

5. In S1tool choose S1 EMERGENCY MODE, press Flash button, select correct APPSW .sin_file_set file (or you can select whole firmware if you have it in order APPSW, FSP, Elabel - but you can't use .ftf flashtool files),

6. Press Testpoint READY button:



try this testpoint C5503:



and if your phone is detected as qhusb_dload device, just attach usb cable. If not, perform all steps from point 1 (connect testpoint to GND and attach USB cable).

7. When drivers will be installed and phone will be detected, program will ask you to disconnect testpoint. Disconnect testpoint from GND and press Testpoint READY button.

8. After that phone will load emergency s1 loader, re-enumerate usb, load s1 loader, update boot in your phone and flash selected firmware.

9. Now you have to flash (if not done yet) your phone with all firmware parts (APPSW, FSP, ELABEL) using S1 FLASH MODE, phone will be fixed. Also you can flash your phone using Sony Update Service, Sony PC Companion or any other flasher like current Flashtool.

Tutorial:Sony.yt
Credits:mr the_laser



Don't forget to press Thanks Button
Br
M@SUD