Sony Ericsson WT19 hard reset 100% Done

1.switch on mobile "mobile show google lock"

2.then go to emergency call press 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