Huawei P9 Lite

Huawei

Notifications, background tasks, automatic synchronization or alarms do not work correctly for “Example App” on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery”.
  3. Tap on “Close apps on screen lock”.
  4. Find “Example App” in the list of apps.
  5. Next to “Example App”, 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 your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. At the bottom, tap on “Settings” (gear icon).
  4. Choose “Special access”.
  5. Tap on “Ignore battery optimization”.
  6. In the drop-down list at the top, switch from “Allowed” to “All apps”.
  7. Find “Example App” in the list of apps.
  8. Tap on “Example App”.
  9. Select “Allow”.
  10. Tap on “OK”.
  11. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  5. Choose “Notifications”.
  6. Next to “Allow notifications”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  7. Next to “Display in the status bar”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  8. Next to “Display on the lock screen”, make sure the switch is turned on, i.e. with its knob or handle at the right, unless you have any objections.
  9. Next to “Priority display”, make sure the switch is turned on, i.e. with its knob or handle at the right, unless you have any objections.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Cleanup”.
  3. You don’t need to pay any attention to what’s happening in the bottom half.
  4. At the top right, tap on the gear icon.
  5. At the bottom, choose “Memory cleanup whitelist”.
  6. Find “Example App” in the list of apps.
  7. Next to “Example App”, 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 your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery”.
  3. At the top right, tap on the gear icon.
  4. Next to “Power-intensive prompt”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Next to “Close excessively power-intensive apps”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  6. Tap on “Keep Wi-Fi on when sleeping”.
  7. Select “Always”.
  8. Next to “Keep mobile data on when sleeping”, 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 your Huawei P9 Lite?


  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. In the top-right corner of the entry for “Example App”, find the lock icon.
  5. If the lock icon is closed and has a dot inside its bottom rectangle, there’s nothing left for you to do. Otherwise, proceed with the next step.
  6. Tap on the lock icon so that it closes and gets a dot inside its bottom rectangle.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Press □ (“Overview”) at the bottom of your device to open the overview of recently used apps.
  2. Do not press the trash icon at the bottom. Remember never to tap on the trash icon here.
  3. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  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 your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  5. Choose “Data usage”.
  6. Scroll down to the bottom half.
  7. Next to “Mobile data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  8. Next to “Wi-Fi”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  9. Next to “Background data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  10. Next to “Roaming data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  11. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. At the bottom, tap on “Settings” (gear icon).
  4. Choose “Special access”.
  5. Tap on “Unrestricted data access”.
  6. Find “Example App” in the list of apps.
  7. Next to “Example App”, 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 your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Mobile data”.
  3. Tap on “Networked apps”.
  4. Find “Example App” in the list of apps.
  5. Next to “Example App”, make sure there are two checkmarks in the checkboxes.
  6. At the very top, tap on the downward-pointing arrow (⌄ or ▾).
  7. Choose “Advanced network management”.
  8. Find “Example App” in the list of apps.
  9. Next to “Example App”, make sure there are two checkmarks in the checkboxes.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Mobile data”.
  3. Tap on “Data usage ranking”.
  4. Using the tabs at the top, switch from “Daily” to “Monthly”.
  5. Find “Example App” in the list of apps.
  6. Tap on “Example App”.
  7. Scroll down to the bottom half.
  8. Next to “Mobile data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  9. Next to “Wi-Fi”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  10. Next to “Background data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  11. Next to “Roaming data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  12. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Mobile data”.
  3. Tap on “Data saver”.
  4. At the top, next to “Data saver”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Scroll down to the bottom half.
  6. Find “Example App” in the list of apps.
  7. Next to “Example App”, 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 your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Cleanup”.
  3. You don’t need to pay any attention to what’s happening in the bottom half.
  4. At the top right, tap on the gear icon.
  5. Next to “Auto cleanup”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  6. Next to “Infrequently used data cleanup reminder”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  7. Next to “Notify when slow”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  8. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery”.
  3. Next to “Power saving mode”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  4. Next to “Ultra”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery”.
  3. Do not press “Power-intensive apps”. Remember never to use “Power-intensive apps” here.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. Do not press “Cleanup” at the bottom left. Remember never to use “Cleanup” here.
  3. If you’ve opened it by accident, proceed with the next step. Otherwise, there’s nothing left for you to do.
  4. Do not press “Clean” at the bottom. Remember never to use “Clean” here.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. Do not press “Optimize” in the middle of the screen. Remember never to use “Optimize” here.
  3. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery”.
  3. Do not press “Optimize” at the bottom. Remember never to use “Optimize” here.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Apps”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  5. Choose “Storage”.
  6. Do not press “Clear data” or “Clear cache”. Remember never to use “Clear data” or “Clear cache” here.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Accounts”.
  3. At the top right, tap on ⋮ (three dots) to open the expanded menu.
  4. Next to “Auto-sync data”, make sure there’s a checkmark in the checkbox.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Mobile data”.
  3. At the top right, tap on the gear icon.
  4. Next to “Lock screen data usage reminder”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Notification & status bar”.
  3. Next to “Display carrier name”, make sure the switch is turned off, i.e. with its knob or handle at the left, unless you have any objections.
  4. Tap on “Notification method”.
  5. Make sure that either “Icons” or “Numbers” is selected.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the top right, tap on the gear icon.
  3. Choose “Shortcuts”.
  4. Next to “Cleanup”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Next to “Battery”, 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 your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. Swipe from the right to the left to show the next screen.
  3. At the bottom center, choose “Protected apps”.
  4. Find “Example App” in the list of apps.
  5. Next to “Example App”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery manager”.
  3. Tap on “Protected apps”.
  4. Find “Example App” in the list of apps.
  5. Next to “Example App”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  6. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. At the bottom, choose “Apps”.
  3. At the bottom left, tap on “Advanced”.
  4. At the bottom, choose “Ignore battery optimizations”.
  5. In the drop-down list at the top, switch from “Allowed” to “All apps”.
  6. Find “Example App” in the list of apps.
  7. Tap on “Example App”.
  8. Select “Allow”.
  9. At the bottom right, tap on “OK”.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “System optimization”.
  3. You don’t need to pay any attention to what’s happening in the bottom half.
  4. At the top right, tap on the gear icon.
  5. At the bottom, choose “Memory cleanup whitelist”.
  6. Find “Example App” in the list of apps.
  7. Next to “Example App”, 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 your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. At the bottom, choose “Apps”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  5. Choose “Data usage”.
  6. Scroll down to the bottom half.
  7. Next to “Mobile data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  8. Next to “Wi-Fi”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  9. Next to “Background data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  10. Next to “Roaming data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  11. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Press □ (“Overview”) at the bottom of your device to open the overview of recently used apps.
  2. Do not press the trash icon at the bottom. Remember never to tap on the trash icon here.
  3. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Traffic manager”.
  3. Tap on “Traffic use ranking”.
  4. Using the tabs at the top, switch from “Daily” to “Monthly”.
  5. Find “Example App” in the list of apps.
  6. Tap on “Example App”.
  7. Scroll down to the bottom half.
  8. Next to “Mobile data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  9. Next to “Wi-Fi”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  10. Next to “Background data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  11. Next to “Roaming data”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  12. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Traffic manager”.
  3. Tap on “Networked apps”.
  4. Find “Example App” in the list of apps.
  5. Next to “Example App”, make sure there are two checkmarks in the checkboxes.
  6. At the bottom, choose “Advanced network management”.
  7. Find “Example App” in the list of apps.
  8. Next to “Example App”, make sure there are two checkmarks in the checkboxes.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. At the bottom, choose “Apps”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  5. Choose “Notifications”.
  6. At the top, next to “Allow notifications”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  7. Next to “Priority display”, make sure the switch is turned on, i.e. with its knob or handle at the right, unless you have any objections.
  8. Next to “Status bar”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  9. Next to “Lock screen”, make sure the switch is turned on, i.e. with its knob or handle at the right, unless you have any objections.
  10. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery manager”.
  3. Find the “Power plan” section.
  4. If it says “Performance” or “Smart”, there’s nothing left for you to do. Otherwise, proceed with the next step.
  5. Tap on “Power plan”.
  6. Select either “Performance” or “Smart”.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery manager”.
  3. At the top right, tap on the gear icon.
  4. Next to “Power-intensive prompt”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Next to “Close excessively power-intensive apps”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  6. Tap on “Keep Wi-Fi on when sleeping”.
  7. Select “Always”.
  8. Next to “Keep mobile data on when sleeping”, 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 your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. At the bottom, choose “Apps”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  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 your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Traffic manager”.
  3. At the top right, tap on the gear icon.
  4. Next to “Lock screen data traffic reminder”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom center, choose “Notification center”.
  3. Find “Example App” in the list of apps.
  4. Tap on “Example App”.
  5. At the top, next to “Allow notifications”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  6. Next to “Priority display”, make sure the switch is turned on, i.e. with its knob or handle at the right, unless you have any objections.
  7. Next to “Status bar”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  8. Next to “Lock screen”, make sure the switch is turned on, i.e. with its knob or handle at the right, unless you have any objections.
  9. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery manager”.
  3. Do not press “Power usage firewall (power-intensive apps)” at the bottom. Remember never to use “Power usage firewall (power-intensive apps)” here.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “Battery manager”.
  3. Do not press “Optimize” at the bottom. Remember never to use “Optimize” here.
  4. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the bottom left, choose “System optimization”.
  3. You don’t need to pay any attention to what’s happening in the bottom half.
  4. At the top right, tap on the gear icon.
  5. Next to “Automatic cleanup”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  6. Next to “Storage cleanup reminder”, 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 your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. Do not press “System optimization” at the bottom left. Remember never to use “System optimization” here.
  3. If you’ve opened it by accident, proceed with the next step. Otherwise, there’s nothing left for you to do.
  4. Do not press “Clean” at the bottom. Remember never to use “Clean” here.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. Do not press “Touch to optimize” in the upper half. Remember never to use “Touch to optimize” here.
  3. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. At the bottom, choose “Accounts”.
  3. At the bottom, tap on “Menu”.
  4. Next to “Auto-sync data”, tap on the checkmark in the circle.
  5. If it says “Turn off auto-sync data”, tap on “Cancel”. Otherwise, proceed with the next step.
  6. If it says “Turn on auto-sync data”, tap on “OK”. Otherwise, proceed with the next step.
  7. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Settings” of your device.
  2. Choose “Notification panel & status bar”.
  3. Next to “Show notification icons”, make sure the switch is turned on, i.e. with its knob or handle at the right.
  4. Next to “Display carrier name”, make sure the switch is turned off, i.e. with its knob or handle at the left, unless you have any objections.
  5. Leave by pressing ○ (“Home”) at the bottom of your device.

Have you been able to follow these steps on your Huawei P9 Lite?


  1. Open the “Phone Manager” on your device.
  2. At the top right, tap on the gear icon.
  3. Choose “Shortcuts”.
  4. Next to “System optimization”, make sure the switch is turned off, i.e. with its knob or handle at the left.
  5. Next to “Battery manager”, 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 your Huawei P9 Lite?


  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 your Huawei P9 Lite?