FORGOT SCREENLOCK PIN

[gajendraiec]

Please tell me how to hard format the phone

[Uliwooly]

There are multiple options

1) use MyXperia 

myxperia.sonymobile.com

or 

2) android manager 

https://www.google.com/android/devicemanager

or 

3) SUS

Update Service (SUS)

[_alexdon_]

Yes,sony update service is the best.Also,if you hard format(repair),reset to factory settings afterwards.