Want to flash my phone

If you wont a factory reset this is it :
1. shutdown the phone
2. hold volume up button and press the power button
3. when manufacturer logo come realise the power button but keep hloding the volume button to get into recovery mode
4. in recovery mode use volume up/down button to navigate and the power button to select
5. choose WIPE DATA / FACTORY RESET than select YES .... wait a moment then select WIPE CACHE PARTITION
6. finale step select REBOOT
keep in your mind the all data in the phone will be erased (apps & games)
ALL DONE!!!!