Hardware reset procedure in xperia LT15i. By using this trick we can remove the pattern lock without knowing gmail account or any box.There are some steps to do.
Note: Make sure phone battery is charged to 90% and take backup of your contacts and messages of important data.
Lets start
Turn on mobile (mobile show google account lock)
Emergency call Enter this code *#*#7378423#*#*
after pressing key display show four option
*service info
*service setting
*service texts
*customization setting
Choose “Customization Setting”
Then press “Reset Customization” phone will reboot & reset.
Sony Xperia Arc LT15i Restore Factory Hard Reset Format Phone.So lets start the Sony Xperia Arc LT15i Restore Factory, Sony Xperia Arc LT15i Hard Reset.Turn Off the mobile phone for few mints.Sony Xperia Arc LT15i Remove Pattern Lock.