Sony Ericssion LT15i Hard Reset Solution 100% Working.
1.Switch on mobile "mobile show google account lock"
2.Then go to Emergency call Enter this code *#*#7378423#*#*
after pressing key display show four option
*service info
*service setting
*service texts
*customization setting
3.Choose "Customization Setting"
4.Then press "Reset Customization" phone will reboot & reset
