- Trun Off Your Phone GT-S5570
- press and hold power + Menu Key 10 Sec
- Select Factory Reset With Volume Key .
1. Pull out the battery. Reinsert it.
2. After a 20-30 seconds
3. Hold Vol Up, Home, Power simultaneously
4. When the logo appears, release the Power button
5. In the Recovery Menu, release the home and then the Volume Up button.
6. Select wipe data / factory reset in the factory recovery menu
7. Select reboot system now.
All data will be wiped out!
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