Dit is net het probleem : na Step 3 komt gewoon het Sony logo en start toestel normaal op.
En dit werkt ook niet , net omdat scherm vergrendeld is :
Master reset with hardware keys
1.Turn off the device.
2.Press and hold the following three buttons at the same time: ■Volume Up key
■Home key
■Power key.
3.When the phone vibrates, release the Power key but continue to press and hold the Volume Up key and theHome key.
4.When the Android System Recovery screen appears, release the Volume Up and Home keys.
5.Press the Volume down key to highlight ‘wipe data / factory reset.’
6.Press Power button to select.
7.Press the Volume down key to highlight ‘delete all user data.’
8.Press Power button to select and start the master reset.
When the master reset is complete, ‘Reboot system now’ is highlighted.
9.Press the Power key to turn the restart the device