vivo Issues
See here for introductory information about manufacturer specific issues...
Overview
We don't have much data on vivo devices so these instructions are not as developed. If you have a vivo device and are experiencing issues, try following these instructions.
If you find the instructions are unclear, incorrect, or you are still having problems, please email us at help@simplymadeapps.com and we will do our best to help.
Resolution
- Whitelist the Simple In/Out app in the Background Startup Manager
- Whitelist the Simple In/Out app in the Phone Optimizations screen