Hard Reset SONY ERICSSON V640
- Make sure, that your cell phone is on.
- Go to Standby screen.
- Next tap Menu and find -> Settings -> General -> Master reset.
- it's necessary to confirm Factory reset so pressYes to do it.
- Success! handset should now work properly.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.