First: Install our app Language Settings first from Google Play
If it can’t change language directly , read the following tutorial：
After android 4.2, only system app can get CHANGE_CONFIGURATION permission. (Changed by Google).
This app need this permission to change language.
Use ADB command to Grant Permission Through Computer
- Use Automatic to Grant Permission Tools:（Through Windows Only）
Tutorial: https://blog.whenair.com/?p=535
- Or Manual to Grant Permission by Input ADB Command: (Windows or Mac)
Tutorial: https://blog.whenair.com/?p=536
Any Question commit to this post or email to whenair@yeah.net