To ensure that the app can run properly in the background, please check the following settings.
1. Remove Battery Usage Restrictions
Go to:
Settings → App Management → App List → [App Name] → Battery
In the battery usage settings:
- Select Unrestricted.
- If the app is set to Optimized or Restricted, its background activity may be limited.
2. Allow Auto-start
If your device has the Phone Master app, check the following setting:
Phone Master → Toolbox → Auto-start Management → [App Name]
Enable Auto-start for the app.
On some HiOS versions, this option may also be located under:
Settings → App Management → Auto-start Management → [App Name]
On TECNO devices, Auto-start Management may affect whether an app can continue running properly in the background.
3. Disable Battery Saving Restrictions in Battery Lab
Some TECNO devices have a separate battery management feature called Battery Lab.
Go to:
Settings → Battery Lab → Battery Saving Settings
If you see Power Saving Management for Apps, make sure that [App Name] is not restricted.
4. Allow Background Activity
Go to:
Settings → App Management → [App Name] → Battery
If you see Background Activity, Allow Background Activity, or a similar option, make sure background activity is allowed.
Also, check that the app is not restricted by Battery Saver or Power Saving features.
5. Lock the App in Recent Apps (Recommended)
- Open the app.
- Open the Recent Apps screen.
- Tap the menu or down arrow at the top of the app preview.
- Select the Lock (padlock) icon.
Locking the app may help prevent it from being closed when the device clears apps from the Recent Apps screen.
6. Check Additional Power-Saving Settings in Phone Master
On some TECNO devices, Phone Master may apply additional restrictions to apps running in the background.
Go to:
Phone Master → Toolbox
If the following options are available, check their settings:
- Power Marathon / Power Boost → Turn it OFF if it restricts background activity.
- Auto-start Management → Allow [App Name].
- App Booster → Add [App Name] if necessary.
In particular, Power Boost and Auto-start Management may affect background app activity.
If You Cannot Find These Settings
Menu names and locations may vary significantly depending on the TECNO device model, Android version, and HiOS version.
Try searching for the following keywords in the Settings app:
- Auto-start / Auto-start Management
- Battery Optimization
- Battery Lab
- Background Activity
- Battery Saver
- App Management
If the Phone Master app is installed on your device, please also check the Auto-start Management settings in Phone Master.
Note: Some TECNO devices aggressively manage background apps to reduce battery consumption. Therefore, even after changing all of the settings above, background activity may still be restricted on certain device models or HiOS versions.
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