Phone settings for Oppo mobile devices

Check the following settings if there are problems that the measurement is not (correctly) taken:

Battery management settings for newer Oppo devices:

1. Go to Phone settings > Battery > Turn OFF Power Saver Mode.
2.  Go to Phone settings > App Management > choose our app > Power consumption protection. 
3. Select Allow Background Running.

Lock the application in the background:

Open the running apps by pulling up the home screen or click the Menu button at the bottom. Pull down our app. Then a lock icon appears in the top corner of our app. 
This means that the app is locked.

If Android 6 or higher is used, also check the following settings:

- Go to Phone settings > App Management > select our app > enable Allow Auto Startup.
- Tap Power Saver and select Allow Background Running.

For Oppo devices with a Security Center:
- Go to Phone settings > Security Centre > Privacy Permissions > Startup manager > choose our app and allow our app to run in background. 

On some Oppo devices (eg. R9, R11, and A37f):
- Go to Phone settings > Battery > Others > find our app in the list and uncheck all settings.

On some other devices:
- Go to Phone settings > Battery and storage > Battery manager > Power consumption details > Optimize for excessive power consumption > find our app in the list and turn switch OFF.

If Android 10 is used, also check that the following settings:

1. Go to Phone settings > Apps & notifications > tap Advanced at the bottom > Special access > Battery optimization (top of the screen) > Not optimized button > choose "All apps" > select our app > choose "Don't optimize".
2. Go to Phone settings > Location information > turn Location service ON > turn the following options ON:
   - Scanning via WiFi and Bluetooth
   - Google location accuracy: turn ON Improve location accuracy.
3. And/or: Go to Phone settings > Battery > turn Power saving mode ánd Smart power saving mode both OFF.
4. And/or: Under Personalized/Personal energy saving for our app, set the following:
   - Running in background: allow/ON
   - Prohibit running in background: turn OFF
   - Intelligently restrict running in background: turn OFF.
5. And/or: Go to Apps > Security Center > Privacy Permissions > Auto-run management > enable our app.
6. And/or: Go to Phone settings > Application Management > Running tab > enable our app.
7. And/or: Go to Phone Settings > App Management > Startup Management > choose Allow Auto Startup.
   
   

If Android 11 is used, also check that the following settings:

1. Go to Phone settings > Battery > turn Power saving mode and Super power saving mode both OFF.
2. Go to Phone settings > Battery > More battery settings:
   - Turn High performance mode ON
   - Go to Optimize battery use > choose our app > "Don't optimize"
   - Turn Sleep standby optimization OFF.
3. Ga to Phone settings > App management > choose our app in the list > Data usage details > turn Background data ON.
4. Go to Phone settings > App management > choose our app in the list > Battery usage:
   - Allow foreground activity : turn ON
   - Allow background activity : turn ON
   - Allow auto launch : turn ON.
5. Go to Phone settings > App management > choose our app in the list > Permissions > Location > choose "Allow all the time".
6. Go to Phone settings > go to the app settings of our app > turn "Remove permissions when app is not used" OFF.

If Android 12 is used, also check that the following settings:

1. Go to Phone settings > Battery > turn Power saving mode AND Super power saving mode both OFF.
2. Go to Phone settings > Battery > click on 'save power' at the top > turn the option Background activity ON.
3. Go to Phone settings  > Advanced settings:
   - Turn High performance mode ON
   - Turn Sleep standby optimization' OFF
   - Go to 'Optimise battery use' > choose our app > choose 'Don't optimize'.
4. Go to Phone settings > Apps > Auto lauch > choose our app > turn the switch ON.
5. Go to Phone settings > Wifi > choose (⁝) menu (top) > Advanced settings > turn ON the option 'Scanning always available'.
6. Go to Phone settings > Apps > choose our app > Permissions > Location > set :
   - Location access for this app = Alway all the time
   - Use precise location: turn this option ON
7. Go to Phone settings > Apps > choose our app > set up:
   - Remove permissions if app is unused > turn this option OFF
   - Go to Permissions > turn OFF the option "Remove permissions and free up space".
8. Go to Phone settings > Apps > choose our app > Battery >  set "Use details" = Unrestriced.
   
   

If Android 13 is used, also check that the following settings:

1. Go to Phone settings > Location >
   - Location Services: turn ON
   - Wi-Fi and Bluetooth scanning:  turn Wi-Fi scanning AND Bluetooth scanning both ON
   - Google Location Accuracy: turn “Improve Location Accuracy” ON.
2. Go to Phone settings > Apps > choose our app > Permissions:
   - Go to Physical activity > select “Allow”
   - Go to Location > select “Always allow” AND turn ON 'Use precise location'.
3. Go to Phone settings > Battery > Power saving mode > set:
   - Power saving mode: turn OFF
   - Turn on at specified battery level: turn OFF
   - Default optimizations: turn OFF optimizations here if possible
   - Super power saving mode:  turn OFF.
4. Go to Phone settings > Apps > choose our app > Battery consumption > set:
   - Allow foreground activity: turn ON
   - Allow background activity: turn ON
   - Allow automatic start: turn ON.
5. Go to Phone settings > Battery > More settings:
   - High performance mode: turn ON
   - Sleep standby optimization: turn OFF
   - Go to 'Optimize battery use' > choose our app > choose 'Don't optimize'.
6. Go to Phone settings > Wi-Fi > select (⁝) menu (top) > More settings > Wi-Fi Direct > swipe down from the top of the screen to open Quick settings > toggle the Wi-Fi, Bluetooth, and Location buttons ALL ON.
7. Go to Phone settings > Apps > choose our app > set:
   - Pause app activity when not in use > turn this option OFF
   - Go to Permissions > turn OFF the "Remove permissions and free up space" option.
8. Open Recent Apps > tap the icon of our app > choose 'Lock this app'. A lock will now appear at the bottom of the app. The app is now locked.
   
   

Unfortunately, we cannot guarantee these instructions because we are not in control of the phone and the precise other apps that are present on this phone.