Debrand Sony Ericsson TM-506

How to debrand Sony Ericsson TM-506

The following procedure details how to debrand your Sony Ericsson TM-506. This removes all carrier customization's and and sets your firmware to generic. All your settings will be reset and you will have to program APN'S and MMS/WAP settings as per your carrier provided settings.

You will require 3 files. Please ensure manufacturer pc suite software and all drivers are installed properly. Search and install the following files:

- SEUS - Sony Ericsson Upgrade Service - Search and install .exe

- TM-506 Custpack (Ver. 1.0 or later) - This is the generic/debranded firmware file that will be flashed to the device.

- A2Uploader (V3 or later) - This is your flashing utility.

  1. Run A2Uploader and select FileSystem Tool
  2. Ensure that your phone is shut down and that you have installed Sony Ericsson Upgrade Service is installed prior to initiating
  3. Now hold "2" on your numeric keypad and plug in your phone via USB
  4. Release once phone has been recognized by the flashing utility
  5. Within the file system browse to the following directory: /tpa/preset/custom
  6. Extract the custpack downloaded earlier to the desktop and drag the following file Customize_upgrade.xml into the file system
  7. Ensure file has uploaded successfully and select shutdown filesystem manager
  8. Disconnect USB and turn on device. Type the following sequence of keys:
  • Right * Left Left * Left * (Right Key - Star Key - Left Key - Left Key - Star Key - Left Key - Star Key)
  1. Click through to "Service info" then navigate to "Software info" in the menu. You are looking for the following listed under Custmization: 1217-0527. This ensures flash has been done properly and you are clear to proceed with an upgrade.
  2. Turn off your device and run SEUS downloaded earlier. Select your device from the list and again hold down 2 on your numeric keypad while plugging in USB cable.
  3. Now simply select Reinstall/Upgrade and allow SEUS to update your firmware.
  4. Once completed your device will be running generic unbranded firmware.
  5. Again please update your APN/MMS/WAP settings as provided to you by your carrier.

More by this Author

  • Unlock Blackberry 8-9XX Series With MFI Multiloader

    This article is a guide to unlocking 'Old Security' Blackberry devices from within Windows. This method is compatible specifically with old security units. Will not work with any 'New Security' models. Consult the...

  • IPhone 2G 3.1.3 Jailbreak/Unlock Redsnow

    This article details the unlock and jailbreak procedure for an IPhone 2G running firmware version 3.1.3. This enables Cydia, provides capability to configure "Installous", and unlocks the device for use with...

  • Flashing Motorola Razr V3

    This procedural article will detail how to debrand and flash a Motrola Razr V3. The benefits to debranding include removing all carrier customizations and restrictions aswell as added enhancements and improved...

Comments 1 comment

Ronny 4 years ago

I truly appreciate this awesome hub.Thanks.

Ron from

    Sign in or sign up and post using a HubPages Network account.

    0 of 8192 characters used
    Post Comment

    No HTML is allowed in comments, but URLs will be hyperlinked. Comments are not for promoting your articles or other sites.

    Click to Rate This Article