Remove pattern lock on Hard Reset DTC Speed Plus if you have not remember your pattern lock without any software device or updating software. If pattern lock is set without Google account then we can not reset pattern via Google account. Only solution for this problem is hard reset via hardware keys. All installed apps and mobile settings, contacts, messages, call history will be deleted with this trick.
Warning! Factory reset will permanently delete all your data and customized settings,
and will remove any applications you’ve downloaded and installed. Be sure to back up
any data and files you want to keep before you do a factory reset.
How to unlock pattern lock on DTC Speed Plus cellphone
Prers and hold volume up or volume down and power keys together to enter recovery menu.
If above trick not work then press and hold Volume up + Volume down keys and power button.
Select with volume keys Wipe data/ factory reset press power to confirm.
Select Yes — delete all user data and press power to confirm.