Quick tutorial for unlocking new Xperia devices. Although there is one on the SE developer website, this thread can be used for users to discuss their problems during unlocking etc.
Warning! This procedure will wipe the /data partition of your ph...
When unlocking the bootloader/master resetting the device, the data partition as well as the internal sdcard get wiped in order to restore the phone to factory settings. One issue when doing so is the fact that some of the apps also get removed.
System dump from 0PJAIMG_HIMA_UHL_L50_SENSE70_HTC_Europe_1.32.401.8_Radio_01.01_U11440261_56.02.50306G_2_F_release_425571_signed.zip
This tutorial is for Windows
1. Download and install 7-zip File Manager
2. Download your ROM.zip
3. Open 7-zip File Manager and find your ROM.zip
4. Right-click on the zip
5. Select 7-Zip > Open archive (2nd one with the arrow) > #
Xperia Arc lockscreen:
-Copy .zip onto your memory card
-Open up File Manager and search for the .zip file
-Tap on it and open it with WidgetLocker
-Select 'Install & ...