Most of the Phones and tablets we buy and use are from China. The truth is that these phones and tablets have many things customized for the Chinese people including the Language. While they sometimes make the international versions for international use or simply change the language to English before selling to international customers, there are many reasons why your phone language may change back to Chinese language.
1. When device updates are rolled out, most times they are first rolled out for the china version devices and if you want to enjoy such updates, you have to encounter the return to Chinese language.

2. Installation of official stock rom updates can make you return to the default Chinese language

3. It can even be an error from someone operating your phone wrongly and mistakenly changing the language from English to another…..

Whatever the reason that your phone language changed from English, or any other language of your choice, the video below presents a straight forward way for you to change your phone language to English or any other language of your choice.


https://www.youtube.com/watch?v=0ZQJlvNaCjQ

SOURCE:http://successsecrets01..com.ng/2017/03/how-to-change-android-phone-and-tablet.html