Samsung M900 Moment hard reset
To reset the SPH-M900 (Moment)
- Tap the Applications Tab and then tap Settings
- SD Card & Phone Storage
- Tap Factory Data Reset > Reset Phone
SD card & phone storage > Factory data reset. (You
will see a disclaimer.)
2. Read the disclaimer and tap Reset phone.
3. If required, draw your unlock pattern to confirm the
reset process.

Samsung moment hard reset with key combo
With the Samsung m900 phone turned off hold VOLUME DOWN + CALL + END CALL buttons > Master reset