It will remove all the data ,contacts and apps that you installed
- Power off your phone.
- Press and hold Volume Down + Power at the same time for a few seconds.
- Release held keys when you see Bootloader Mode.
- Then press Volume Down to select option "Factory reset", and press Power button to confirm.
- Well done!
- Push the Power button to turn on the device.
- Go to Menu and choose Settings .
- After that tap Storage and select Factory data reset.
- Then choose Reset phone, and confirm the whole operation tapping Erase everything.
HTC Runnymede Restore Factory Hard Reset Format Phone.So lets start the HTC Runnymede Restore Factory, HTC Runnymede Hard Reset.Turn Off the mobile phone for few mints.HTC Runnymede Remove Pattern Lock.
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Restore Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again.