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samsung sii hart Reset 100% done

buttons Galaxy S2 factory reset after rooting

PRESS AND HOLD VOLUME UP + Home Button

Keep pressing these 2 buttons + press Power button for 2-3 Seconds
Release only power button, but KEEP pressing Volume up + Home Buttons
With Volume down select wipe data/factory reset (3rd) > Press Power
(VOLUME UP + HOME + POWER buttons)

OR

Your Samsung Galaxy SII 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  for 8-10 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.
OR
Use this method to hard reset your Samsung Galaxy S II phone: 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 on your PC before full reset!
OR
1. Turn off the i9100 S 2 phone or take out the battery and reinsert it.
2. Hold the Volume Down button
3. Press and release the Power button
4. Select Clear Storage by pressing the Volume Down button
5. Press and release the Power button
6. Press Volume Up to confirm i9100 master reset
I9100 Download mode when you reflash galaxy s2 firmware, root
Turn off i9100. Press and hold VOLUME Down + HOME + POWER buttons together.

Samsung Galaxy S III hard reset

Samsung Galaxy S III hard reset

force reset Reset the device (press and hold POWER button for 8-10 seconds)
Unlock Galaxy S3 T999 i747 i535 i9305 using hard reset
sgs3 hard reset  or reset Galaxy S3: PRESS AND HOLD VOLUME UP + Home Button + Power
Turn the phone off.
Press and hold VOLUME UP and Home(center) button
Press Power until the phone vibrate
Wait until you see the Android logo then release all the buttons.
Select Wipe data/Factory reset with VOLUME DOWN, press Power (right hand-side)
Select YES -- delete all user data with VOLUME DOWN and then press Power
After format, press Power again to reboot phone. (select reboot system now)

or
Samsung Galaxy S3 LTE GT-i9305
- press and hold homebutton, volume up & powerkey
- release powerkey as soon as the Samsung-logo appears
- keep holding volume up & homebutton until android appears.
or
If your device is frozen and unresponsive, press and hold  for 8-10 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 → Back up and reset→ Factory data reset → Reset device→ Delete all.
or Factory format entering sgs3 format code
Use this method to hard reset your Samsung Galaxy S III: 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.
Note: If you reset your device to the factory defaults with SD card encryption setting enabled, the device will not be able to read your encrypted files. Disable this setting before resetting the device.
sgs3 firmware flash download mode: PRESS AND HOLD VOLUME down + Home Button + Power on
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