Understand why Android phones turn off CellTracker's Accessibility Service on their own, how to stop it permanently, and what to do when banking apps detect Accessibility Services.
On many Android smartphones—especially Samsung, Xiaomi, OPPO, Realme, Vivo, and OnePlus—the Accessibility Service for « GPS » (CellTracker) can switch itself OFF without manual user action. Here are the primary causes:
When Battery Saver, Ultra Battery Saver, or Adaptive Battery kicks in, Android force-stops background apps. Force-stopping an app immediately revokes its active Accessibility binding.
Device cleaners (MIUI Security Cleaner, OPPO/OnePlus Phone Manager, Vivo iManager, or Play Store booster apps) clear background RAM and kill running Accessibility services.
Android 11–16 automatically hibernates apps that aren't opened from the launcher—and because CellTracker runs invisibly with its icon hidden, Android may treat it as unused unless disabled.
OS security patches or Google Play Protect re-enabling after an update can reset Restricted Settings and turn off Accessibility for sideloaded apps.
Some banking, mobile wallet, or UPI applications may display a security warning or refuse to open while any Android Accessibility Service is active. This behavior is independent of CellTracker and is enforced by the banking app's own security rules.
Android Accessibility Services allow authorized apps to read screen UI events. Because malicious software can also abuse Accessibility permissions, certain banks simply check whether any third-party Accessibility Service is switched ON and restrict access until it is turned OFF.
Read our full dedicated article: Banking Apps Detect Android Accessibility Services, or check Enable Accessibility by Device to toggle it back ON quickly.
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