Sony Ericsson Xperia Unlock

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Please make sure:

• Your X10 is not running ANDROID V1.6 (please update your phone if it is before unlocking, do not attempt to unlock V1.6)
• Your X10 is running Android 2.1 (as of yet no 2.3 is unreleased so no way to include)
• You have not flashed custom firmware to your device
• You must have internet connection

Preparation 

1. Power On the phone and go to "Settings"
2. Next go to "Applications"
3. Next go to "Development"
4. Now enable "USB Debugging"
5. Click "OK" to confirm enabling of USB Debugging

Unlocking Procedure

1. Now click on the "SE (Android)" tab of the software
2. Tick box to confirm the phone is running Android v2.1 or later (checked earlier)
3. Remove phone battery for 10 seconds and replace
4. Press and HOLD the phones back button
5. While still holding the phones back button connect the USB cable.
6. The unlock client will now start the unlock process
7. When prompted by the Mobicode ToolKit, remove the USB cable and power on the phone.
8. Wait until drivers are loaded before clicking ok when prompted
9. The Mobicode ToolKit will now complete the unlock