It will remove all the data ,contacts and apps that you installed
The device must be turned off, so hold down the Power key for a short while.
In the next step press and hold the Volume Down + Power button at the sime time for a couple of seconds.
When you see the three Android images, then release held keys.
Then press Volume Down to select option "Factory reset", and press Power button to confirm.
Good job! The hard reset has just been performed.
At the very beginning hold down the Power button in order to switch on the device.
Then from Main Menu go to Settings and tap Backup & Reset.
Next choose Reset phone and select Erase all data.
After that, tap OK to confirm your choice.
Congratulations! You have just performed the hard reset operation,
HTC One X Restore Factory Hard Reset Format Phone.So lets start the HTC One X Restore Factory, HTC One X Hard Reset.Turn Off the mobile phone for few mints.HTC One X 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.