Hard Reset SONY ERICSSON Z310i
- Power button to switch on device, it must be working to perform this operation.
- Go to Main Menu > Settings > General > Master reset.
- Confirm the Factory reset operation by pressing left Softkey.
- Follow the on screen instructions.
- Success! now device should 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.