These Settings must be properly configured to keep CellTracker working.
Settings => Device care => Battery => Menu => Settings
- Notifications => Turn OFF
- Adaptive battery => Turn OFF
- Put unused apps to sleep => Turn OFF
- Auto disable unused apps => Turn OFF
- Sleeping apps => Check that the application is not in this listed.
- Optimize settings => Turn OFF
2) Settings => Apps => « GPS » => Mobile data => Allow background data usage & Allow app while Data saver on => Turn ON
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