How do i change my china phone os to normal android os.

[AC Question]

Meyphone is samsung j7 (China) there are lots of unwanted apps . really laggy and can't move to SD card. Pleease help me change my os to normal android os . thank you

 

[B. Diddy]

Welcome to Android Central! Are you sure it's a genuine Samsung phone? Samsung clones are very common. Show us a screenshot of the Settings>About Phone menu: http://forums.androidcentral.com/ge...ide-how-post-screenshots-android-central.html. You'll have to register on this forum first.