How to do hard reset Sony Xperia E C1504.
Follow the next instruction:
1. press the Menu key
2. select Settings
3. scroll and choose Privacy
4. scroll and choose Factory Data Reset
5. go to Reset Phone
6. select Erase Everything
Sony Xperia hard reset with a keys combination.
Turn Off your phone
Press together the Power + Volume buttons.
You will see the Recovery menu
Press Vol Down keys to choose “wipe data/factory reset”
Press Power btn to Confirm your selection
On the next screen, you need to confirm YES/No
And Choose “Reboot system now”
The phone will restart.