[Debrand] A2 (Db3150) Tutorial

[yekxmerr]

First of all, i dont have any credit for this method. I was helped by several users ( Thanks ! ) and i decided to make a guide to help.

This is an A2 Debrand Tutorial

Software Required:
- A2uploader ( google search )
- Sony Ericsson Update Service ( Comes with the phone CD, or download on SonyEricsson website )
- Notepad ( Comes with Windows ... )

Note: On some Sony Ericsson Models, you have to press 2+5 instead of C.

Recommended Step: (For Users with Phone Warranty)
- You will need to identify your CDA to Debrand again your phone in case you need to take it to Warranty.
- Turn Off your phone and remove the battery and put it again.
- Connect the USB cable to the phone and Press C button.
- Execute A2uploader on your computer, and press the identify button:

- Then plug in your USB cable to the computer, and should appear a text like this:

- Save that number on CDA-Article
- Follow the next steps:

Step 1:
- You need to switch your phone CDA to a Generic CDA, this makes SEUS to update to the debranded firmware.
- Create your new CDA from this website, dont forget to choose your phone model. ( for people who want to restore the phone "Recommended Step", in cda number on xml, copy the one you got from A2uploader )
- Then you will get a code line like this (example):
<?xml version="1.0" encoding="utf-8"?>
<customization>
<info>
<cda-number>1201-0077</cda-number>
<language-variant-name>WESTERN-EUROPE</language-variant-name>
<created-by>Jockep</created-by>
<model>W910i</model>
</info>
</customization>

- You only need this code (example):
<?xml version="1.0" encoding="utf-8"?>
<customization>
<info>
<cda-number>1201-0077</cda-number>
</info>
</customization>

- Open a new document on Notepad, and paste your code into. And then save the document as customize_upgrade.xml.

Step 2:
- Turn Off your phone and remove the battery and put it again.
- Connect the USB cable to the phone and Press C button.
- Execute A2uploader and press the FileSystemTool button:

- Go to tpa/preset/custom directory and drag the customize_upgrade.xml to there (after copy, check if it is there):

- Press Stop button on A2uploader, and Quit

Step 3:
- Turn on the phone, to (in other words) install the new CDA.
- Turn off the phone

Step 4:
- Execute Sony Ericsson Update Service, and press Start button:

- Choose your phone type and click continue: (In picture, im using SE W910i for example)

- Choose your phone model and click continue: (In picture, im using SE W910i for example)

- Follow the program instructions:

- Then will appear your new firmware type, and u press continue: (In picture, im using SE W910i for example, western europe firmware)

- It will pop-up a window for you to confirm, you have to press Yes twice:

- Now you have to w8, for the process to finish:

- Congrats ! You have debranded your Sony Ericsson, disconnect the USB cable from the phone, remove battery and put it again, and turn on the phone. Enjoy


I hope this helped. Any doubts or error in the Tutorial, just reply in the post.
Enjoy !!! :D