Samsung Galaxy S Duos S7562 hard reset1. Turn off your phone.
2. Press both Volume DOWN + UP and HOME + Power keys together until the Samsung logo comes up.
All data will be lost!
press and hold the HOME + VOLUME UP button, and then briefly press the POWER button for a few seconds, but keep pressing the other buttons until the recovery menu comes up.
3. In recovery menu select wipe data / Factory reset using Volume down button and confirm with power key.
4. Repeat it on the next screen, highlight Yes -- delete all user data using the Volume down and confirm the deletion using the power key.
After hard reset completed select reboot system now, press power.
All data will be lost!
Reset you Samsung Galaxy S Duos S7562 Your device freezes or has fatal errors
If your device freezes or hangs, you may need to close programs or reset the device to regain functionality. If your
device is frozen and unresponsive, press and hold the Power key for 10-15 seconds. The device will reboot automatically.
If this does not solve the problem, perform a factory data reset. In Idle mode, open the application list and select
Settings → Privacy → Factory data reset → Reset phone → Erase everything.
On Andorid ICS 4.0 Select Settings → Back up and reset→ Factory data reset → Reset device→ Delete all.
Select Settings > Privacy > Factory data reset: Reset your settings to the factory default values and delete all your data.
Press Application button, then Settings > Reset settings: Reset your settings to the factory default values.
While using your device, be sure to back up important data. When disposing of your device, back up all data and then reset your device to prevent misuse of your personal information.
Use this method to hard reset your Samsung Galaxy S Duos S7562: Enter *2767*3855#. Warning! All your data including contacts, messages etc. will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM or make backup to your PC before full reset! Take out SIM card before full reset.
If your phone hangs, freezes:
To soft reset your Samsung Galaxy S Duos GT-S7562 simply take out battery and reinsert it. Turn on your phone.
Samsung GT-S7562 Galaxy S Duos service parts A/S ASSY-PBA MAIN(COMM) GT-S7562, SVC, MODULE-SPEAKER, GT-S7562, SCREW-MACHINE