How to use
Please First look out this post those phone contain 5.0.0 or lower version.
1. simple brain
2. put the file on pendrive
3. power on phone
4. connect the pendrive through OTG cable
5. now you will see file manager
6. install the software
7. then you will automatic promoted to settings
8. make reset from setting
9. wait to restart phone
10 now setup as new phone