Android 8 (“Oreo”)

OnePlus

Notifications, background tasks, automatic synchronization or alarms do not work correctly for “Example App” on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Battery”.
  3. Choose “Battery optimization”.
  4. In the drop-down list at the top, switch from “Not optimized” to “All apps”.
  5. Choose “Example App” from the list of apps.
  6. Switch to “Don’t optimize”.
  7. Tap on “Done”.
  8. Leave by pressing ○ (“Home”) at the bottom of your device.
  9. Open “Example App” on your device.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Battery”.
  3. Choose “Battery optimization”.
  4. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  5. Tap on “Advanced optimization”.
  6. Next to “Advanced optimization” and “Sleep standby optimization”, make sure that the switches are turned off, i.e. with their knobs or handles at the left.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.
  8. Open “Example App” on your device.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Choose “⚙” (“Gear”) at the top right.
  4. Choose “Special access”.
  5. Choose “Battery optimization”.
  6. In the drop-down list at the top, switch from “Not optimized” to “All apps”.
  7. Choose “Example App” from the list of apps.
  8. Switch to “Don’t optimize”.
  9. Tap on “Done”.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.
  11. Open “Example App” on your device.
  12. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Choose “⚙” (“Gear”) at the top right.
  4. Choose “Special access”.
  5. Choose “Battery optimization”.
  6. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  7. Tap on “Advanced optimization”.
  8. Next to “Advanced optimization” and “Sleep standby optimization”, make sure that the switches are turned off, i.e. with their knobs or handles at the left.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.
  10. Open “Example App” on your device.
  11. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Battery”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Choose “Aggressive doze & app hibernation”.
  5. At the top, next to “Enable aggressive doze & app hibernation”, find the switch.
  6. If the switch is turned off, i.e. with its knob or handle at the left, there’s nothing left for you to do. Otherwise, proceed with the next step.
  7. If “Example App” is in the upper section called “Not optimized”, there’s nothing left for you to do. Otherwise, proceed with the next step.
  8. In the lower section called “Optimized”, find “Example App”.
  9. Next to “Example App”, make sure that the switch is turned on, i.e. with its knob or handle at the right.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.
  11. Open “Example App” on your device.
  12. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Battery”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Choose “High power usage apps”.
  5. Next to “Auto close high power usage apps”, make sure that the switch is turned off, i.e. with its knob or handle at the left.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.
  7. Open “Example App” on your device.
  8. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Further down, choose “Advanced”.
  3. Choose “Recent app management”.
  4. Switch to “Normal clear”.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.
  6. Open “Example App” on your device.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open “Example App” on your device.
  2. Press ○ (“Home”) at the bottom of your device to go back to your home screen.
  3. Press □ (“Overview”) at the bottom of your device to open the overview of recently used apps.
  4. On the entry for “Example App”, tap on the lock icon at the top right.
  5. The lock icon should have turned into a closed lock icon now.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.
  7. Open “Example App” on your device.
  8. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Choose “⚙” (“Gear”) at the top right.
  4. Choose “App auto-launch”.
  5. At the very top, make sure that the switch is turned off, i.e. with its knob or handle at the left.
  6. Find “Example App” in the list of apps.
  7. Next to “Example App”, make sure that the switch is turned on, i.e. with its knob or handle at the right.
  8. Leave by pressing ○ (“Home”) at the bottom of your device.
  9. Open “Example App” on your device.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Apps & notifications”.
  3. Tap on “See all … apps”.
  4. Choose “Example App” from the list of apps.
  5. Choose “App notifications”.
  6. At the top, make sure that the switch is turned on, i.e. with its knob or handle at the right.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Users & accounts”.
  3. Next to “Automatically sync data”, make sure that the switch is turned on, i.e. with its knob or handle at the right.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Apps & notifications”.
  3. Tap on “See all … apps”.
  4. Choose “Example App” from the list of apps.
  5. Choose “Permissions”.
  6. Make sure that all switches are turned on, i.e. with their knobs or handles at the right, unless you have any specific objections.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Battery”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Choose “Battery optimization”.
  5. In the drop-down list at the top, switch from “Not optimized” to “All apps”.
  6. Choose “Example App” from the list of apps.
  7. Switch from “Optimize” to “Don’t optimize”.
  8. Tap on “Done”.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.
  10. Open “Example App” on your device.
  11. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Battery”.
  3. Next to “Battery saver”, make sure that the switch is turned off, i.e. with its knob or handle at the left.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.
  5. Open “Example App” on your device.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. Open the “Settings” of your device.
  2. Choose “Network & Internet”.
  3. Choose “Data usage”.
  4. Tap on “Data saver”.
  5. At the top, make sure that the switch is turned off, i.e. with its knob or handle at the left.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?


  1. There are many apps on the app store which claim to boost performance, free up space, save battery, or optimize the RAM of your device. However, these apps interfere with other apps, like “Example App”, and prevent them from working correctly.
  2. If you have any app like “Clean Master”, “Security Master”, “Task Manager”, “Phone Cleaner”, “Super Cleaner”, “Power Clean”, “DU Cleaner”, “DU Speed Booster”, “CCleaner”, “AVG Cleaner”, “Avast Cleanup” or “Norton Clean”, check that it doesn’t block or terminate “Example App”.
  3. If unsure, consider uninstalling the app claiming to “clean” or “boost” your device.

Have you been able to follow these steps on Android 8 (“Oreo”)?