Sony Xperia TL LT30at

How to enter Sony Xperia TL LT30at Recovery mode, Fastboot mode and Hard reset

Recovery Mode

1. Turn power off the Sony Xperia
2. Press and hold the Volume Down key  and Power key until Menu option appear
3. then select Recovery menu, press power key to confirm
4. then you will see Android system recover mode

Fastboot mode

1. Turn off power off by pressing Power key
2. Press and hold Volume Down and Power Key
3. Release all key when Fastboot mode menu appear
4. Done!

Hard reset Sony Xperia TL LT30at

1. Turn power off the Sony Xperia
2. Press and hold the Volume Down key  and Power key until Menu option appear
3. then select Clear Storage and press Power key to confirm
4. then press Volume Up key to confirm

Hard reset via Settings menu

1. Open Settings menu from home screen or Apps
2. Select Backup & reset option
3. Tap to select Factory Data Reset
4. tap Reset Phone.
5. tap Erase Everything
6. tap OK to confirm.

Alternative to hard reset Sony Xperia using Flashtool and using Sony PC Companion

Make to backup your important data! Performed a hard reset will erase all data and restore it to factory default setting. The data can not be recovered!