Android 10

Samsung
unofficial

Notifications, background tasks, automatic synchronization or alarms do not work correctly for “K-9 Mail” on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. Tap on “Battery”.
  4. Choose “App power management”.
  5. Tap on “Apps that won’t be put to sleep”.
  6. If “K-9 Mail” is in the list of apps, there’s nothing left for you to do. Otherwise, proceed with the next step.
  7. At the bottom, tap on “Add apps”.
  8. Find “K-9 Mail” in the list of apps.
  9. Next to “K-9 Mail”, put a checkmark into the checkbox.
  10. At the bottom right, tap on “Add”.
  11. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “K-9 Mail” in the list of apps.
  4. Tap on “K-9 Mail”.
  5. Choose “Battery”.
  6. Tap on “Optimize battery usage”.
  7. In the drop-down list at the top, switch from “Apps not optimized” to “All”.
  8. Find “K-9 Mail” in the list of apps.
  9. Next to “K-9 Mail”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Tap on “Special access”.
  5. Choose “Optimize battery usage”.
  6. In the drop-down list at the top, switch from “Apps not optimized” to “All” or “All apps”.
  7. Find “K-9 Mail” in the list of apps.
  8. Next to “K-9 Mail”, make sure that the switch is turned off, i.e. with its knob or handle at the left.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “K-9 Mail” in the list of apps.
  4. Tap on “K-9 Mail”.
  5. Choose “Battery”.
  6. Next to “Allow background activity”, make sure 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 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. Tap on “Memory”.
  4. At the bottom, choose “Select apps to exclude”.
  5. At the bottom, tap on “Add apps”.
  6. Find “K-9 Mail” in the list of apps.
  7. Next to “K-9 Mail”, put a checkmark into the checkbox.
  8. At the bottom right, tap on “Add”.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. Tap on “Battery”.
  4. Choose “App power management”.
  5. Choose “Sleeping apps”.
  6. If “K-9 Mail” is not in the list of apps, there’s nothing left for you to do. Otherwise, proceed with the next step.
  7. At the top right, tap on the trash icon.
  8. Next to “K-9 Mail”, put a checkmark into the checkbox.
  9. At the bottom right, tap on “Remove”.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. Tap on “Battery”.
  4. Choose “App power management”.
  5. Next to “Adaptive battery”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  6. Next to “Put unused apps to sleep”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “K-9 Mail” in the list of apps.
  4. Tap on “K-9 Mail”.
  5. Choose “Mobile data”.
  6. Next to “Allow background data usage”, make sure 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 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Tap on “Advanced”.
  5. Next to “Auto optimization”, make sure 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 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Choose “Special access”.
  5. Tap on “Allow app while Data saver on”.
  6. Find “K-9 Mail” in the list of apps.
  7. Next to “K-9 Mail”, make sure 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.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “K-9 Mail” in the list of apps.
  4. Tap on “K-9 Mail”.
  5. In the “App settings” section, find “Notifications”.
  6. Tap on “Notifications”.
  7. At the top, next to “Show notifications”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  8. At the bottom, next to “App icon badges”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Tap on “Advanced”.
  5. Next to “Optimize settings”, make sure 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 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “K-9 Mail” in the list of apps.
  4. Tap on “K-9 Mail”.
  5. Choose “Mobile data”.
  6. Next to “Allow app while Data saver on”, make sure 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 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. Tap on “Battery”.
  4. Find the “Power mode” section.
  5. If it says “Optimized”, there’s nothing left for you to do. Otherwise, proceed with the next step.
  6. If it says “Medium power saving” or “Maximum power saving”, proceed with the next step.
  7. Tap on “Power mode”.
  8. Select “Optimized”.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. At the bottom left, tap on “Battery”.
  4. Choose “Power mode”.
  5. Next to “Adaptive power saving”, make sure 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 10?

  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “K-9 Mail” in the list of apps.
  4. Tap on “K-9 Mail”.
  5. In the “App settings” section, find “Permissions”.
  6. Tap on “Permissions”.
  7. Scroll down to the “Denied” section.
  8. If there are no entries in the “Denied” section, there’s nothing left for you to do. Otherwise, proceed with the next step.
  9. Tap on an entry in the “Denied” section.
  10. Select “Allow”.
  11. Go back by pressing ◁ (“Back”) at the bottom of your device.
  12. Repeat this for all entries in the “Denied” section.
  13. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. Do not press “Optimize now”. Remember never to use “Optimize now” here.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Swipe down from the status bar to show notifications and quick settings.
  2. Find the quick settings (where you can also turn on and off Wi-Fi, Bluetooth, etc.).
  3. Make sure that “Sync” is turned on (colored).
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Accounts and backup”.
  3. Tap on “Accounts”.
  4. At the bottom, next to “Auto sync data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Swipe down from the status bar to show notifications and quick settings.
  2. Find the quick settings (where you can also turn on and off Wi-Fi, Bluetooth, etc.).
  3. Make sure that “Power mode” is turned off (gray).
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Notifications”.
  3. Tap on “Status bar”.
  4. Next to “Show notification icons”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  5. Below, make sure that “All notifications” is selected.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Open the “Settings” of your device.
  2. Choose “Device care”.
  3. At the bottom right, tap on “Memory”.
  4. Do not press “Clean now”. Remember never to use “Clean now” here.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  1. Swipe down from the status bar to show notifications and quick settings.
  2. Find the quick settings (where you can also turn on and off Wi-Fi, Bluetooth, etc.).
  3. Make sure that “Focus mode” is turned off (gray).
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?

  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 “K-9 Mail”, 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 “K-9 Mail”.
  3. If unsure, consider uninstalling the app claiming to “clean” or “boost” your device.

Have you been able to follow these steps on Android 10?

  1. If you’ve made any changes based on the advice above and you’ve adjusted the settings of your device, proceed with the next step. Otherwise, there’s nothing left for you to do.
  2. Restart your device once. You can either choose the “Restart” option directly, if available, or turn off your device, wait a few seconds, and then turn it on again manually.
  3. Open “K-9 Mail” once on your device – by tapping on “K-9 Mail” on your home screen or in the list of all apps.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on Android 10?