1:at first switch off ur locked phone.And follow the given instruction.
2:-Press and hold the recovery
The buttons vary from
device to device, so you may need to
look up the instructions for your
particular phone. You will need to
press and hold the buttons for a few
seconds. Some of the more common
button combinations include:
Volume Up + Home + Power
Volume Down + Power
Home + Power
If none of the above work, do a
web search for your phone’s
model plus “recovery mode”.
Select Factory Reset.
recovery menu opens, you can
navigate the menu with the volume
3:-You may need to open the
Recovery menu to find the Factory
Reset mode. Use the Power button,
some models use the camera button, to
select your menu options.
You will be asked to confirm the
4:-Wait for the restore process to
compete. After your phone
resets, it will be set back to factory
defaults and will be like it just came
out of the box.
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