It will remove all the data ,contacts and apps that you installed
Turn off your device.
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.
Turn on the tablet by using the Power button.
Afterwards go to Settings and then to Storage.
Tap Reset Device.
Choose Erase Everything if you are sure you want to clear all your data.
Select OK to confirm the whole operation.
HTC Jetstream 10 Restore Factory Hard Reset Format Phone.So lets start the HTC Jetstream 10 Restore Factory, HTC Jetstream 10 Hard Reset.Turn Off the mobile phone for few mints.HTC Jetstream 10 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.