Check Muscular system app permissions. If any of these permissions required to use your device's features are disenabled, Muscular system might not work.
Uninstall and reinstall Muscular system. If nothing else has worked, completely uninstall Muscular system then reinstall.
Restart your device. Last, restarting your device can often clear most problems causing Muscular system not working
2. Fix Muscular system Server issues & Internet Connection
Check network connection: An unstable Internet will make Muscular system be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
Disable VPN: VPN can cause connection errors and lead to Muscular system not working. Make sure all VPNs are off
Enable background data: When Background data is turned off, Muscular system may not be able to connect to the Internet when running in the background.
Reported Issues
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