First Backup Your All impotent data Release Sim Card And Memory Card. Make Sure Your Device battery Charge is 70%.
1. Turn Of your Smart Phone. if smart phone is hang remove battery and again insert.
2. Press and hold volume up + Power key together when show logo on screen release all keys.
3. after few second show android recovery menu use volume down key to select Wipe Data/factory reset press power Key To Confirm
4. Now Slelect Yes-- Delete All User Data Again Press Power Key.
5. After Finish This Process Select Reboot System Now
