It will remove all the data ,contacts and apps that you installed
The device must be switched off, so hold down the Power key for a short while.
Afterwards press and hold Volume Down + Power button for a while.
Release held keys when you see an Android menu on your screen.
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 switch on the device by holding down the Power key
Then from Main Menu go to Settings and tap Storage.
Next choose Reset phone and select Erase all data.
Tap OK to confirm your choice.
Success! Your phone is ready to use.
HTC Desire 200 Restore Factory Hard Reset Format Phone.So lets start the HTC Desire 200 Restore Factory, HTC Desire 200 Hard Reset.Turn Off the mobile phone for few mints.HTC Desire 200 Remove Pattern Lock.
Hard Reset,Restart Problem,Restart Solution,Restore Factory,
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.