It will remove all the data ,contacts and apps that you installed
First of all, turn off the cell phone hold down the Power key for a short while.
Afterwards press and hold Volume Down + Power button at the sime time for a couple of seconds.
Then you should release the Power key as soon as the HTC logo appears on the screen.
Finally, press the Volume Down to select option "Factory reset", and press the Power button to confirm.
Good job! The hard reset is done.
Begin by holding down the Power key for a short while in order to turn off the phone.
Next, from Main Menu go to Settings and tap Backup & Reset.
Afterwards choose Reset phone and select Erase all data.
In this step tap OK to confirm your choice.
Success! Your device is ready to use.
At the very beginning hold down the Power rocker for a few seconds until the phone is turned off.
Then press and hold the Volume Down + Power button at the same time for a couple of seconds.
You should release the Power key as soon as the HTC logo appears on the screen.
Afterwards use the Volume keys to select option "Bootloader", and press Power button to confirm.
Then press Volume Down to select option "Reboot to Recovery Mode", and press Power button to confirm.
Next select from Recovery Mode menu "wipe data / factory reset" using Volume buttons to navigate and Power button to confirm.
In the next step choose "Yes -- delete all user data" to confirm the whole operation.
After that select option "reboot system now".
Well done! The hard reset has just been performed.
HTC Desire 828 Restore Factory Hard Reset Format Phone.So lets start the HTC Desire 828 Restore Factory, HTC Desire 828 Hard Reset.Turn Off the mobile phone for few mints.HTC Desire 828 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.