First: Install our app Languages 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）
- Or Manual to Grant Permission by Input ADB Command: (Windows or Mac)
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