Known issues with Android notifications

In some cases, certain Android devices or third-party apps may block Nine from sending email notifications. Below you’ll find some steps you can take to troubleshoot the issues we’re aware. If you need any help along the way, contact us with support@9folders.com — We will try to provide a solution to solve your problems as soon as possible.

Android operating systems

Android version 6.0 and later

For devices running Android version 6.0 and later, verify that all permissions for Nine are enabled:

From the app drawer, tap Settings.

TapApps.

Choose Nine.

Select Permissions and ensure that all permissions are enabled.

Android version 6.0.1

For devices running Android version 6.0.1, check that your battery optimization is not preventing Nine from sending you notifications:

From the app drawer, tap Settings.

Select Battery.

Tap the Overflow menu icon and choose Battery Optimization.

Tap the downward caret and choose All apps.

Tap Nine, then tap Don't optimize.

Android version

For devices running Android version 9, make sure the Adaptive Battery feature is not preventing Nine from sending you notifications:

From the app drawer, tap Settings.

Select Battery.

Choose Adaptive Battery.

Tap Restricted apps, and make sure Nine is not listed.

Third-party apps

Clean Master

This third-party app manages battery saving and RAM.

Visit the app's Tools tab.

Select the Notification Cleaner

Tap the gear icon

Disable this feature for Nine only, or for all notifications.

Security Master

This third-party security app may be blocking Nine from sending notifications:

Visit the app's Notification Cleaner.

Tap the gear icon.

Ensure that Nine is unchecked and listed under Apps - Notifications Allowed.

Note: In some cases, you may need to uninstall the app in order to receive mobile notifications.

Android device models

Below is a list of Android devices and models known to have issues with Nine notifications.

Asus Zenfone (Android 7.0)

Step 1: Ensure that Nine is set to auto-start

From the app drawer, tap Settings.

Tap Power Management.

Select Auto-start Manager.

Find Nine and ensure it's enabled.

Step 2: List Nine as a protected app

From the app drawer, tap Mobile Manager.

Tap Boost.

Tap Enable Super Boost, then select Protected app list.

Verify that Nine is on the list

Asus Zenfone 2

Make sure that Nine is allowed to begin on startup from your Auto-start manager:

From the app drawer, tap Apps.

Tap Auto-start manager.

Toggle Nine to Allow.

Huawei Honor 6

Step 1: List Nine as a protected app

From the app drawer, tap Settings.

Tap Power Saving.

Tap Protected apps.

Toggle Nine to enable.

Step 2: Enable Nine in the Notification Manager

From the app drawer, tap Settings.

Tap Notification Manager.

Select Notify for Nine to receive push notifications.

Huawei Honor 8

Step 1: List Nine as a protected app

From the app drawer, tap Settings.

Tap Advanced Settings.

Tap Battery Manager.

Tap Protected apps (or Close apps after screen lock).

Toggle Nine to enable.

Step 2: Ignore battery optimizations for Nine

From the app drawer, tap Settings.

Tap Apps.

TapAdvanced.

Select Ignore battery optimizations.

Choose Nine and ignore the app.

Step 3: Allow notifications from Nine

From the app drawer, tap Settings.

Select the Notification Panel & Status Bar.

TapNotification Center and find Nine

Ensure that Allow Notifications and Priority Display are active

Huawei P8 lite

Step 1: Enable Nine to run at startup

From the app drawer, tap Phone Manager.

Swipe left and tap Startup Manager.

Tap Nine and ensure that it's set to run automatically at system startup.

Step 2: Allow notifications from Nine

From the app drawer, tap Phone Manager.

Swipe left and tap Notification Manager.

Tap Rules and ensure that Nine is set to send notifications to the notification panel. Check if any other settings in this view may be blocking notifications.

Huawei Mate 8 & Huawei Nova Plus

Ensure that Nine is exempt from your device's battery optimization features:

From the app drawer, tap Settings.

Tap Advanced Settings.

Tap Battery Manager.

Tap Protected apps.

Toggle Nine to enable.

LeEco/LeTV

Step 1: Enable Nine to run at startup

From the app drawer, tap Settings.

Tap Permissions.

Tap Manage Auto Launch. If you have enabled other apps to auto-launch, you'll see You've enabled [x] apps to auto launch

Toggle Nine to enable.

Step 2: List Nine as a protected app

From the app drawer, tap Settings.

Select Battery, then tap Power saving management.

Select App Protection.

Toggle Nine to enable.

Note: If you have enabled Lock Screen Cleanup and Ultra Long Standby during Sleep, you must disable them to allow Nine notifications.

Lenovo

Enable the auto-start setting for the Nine app:

From the app drawer, tap Settings.

Tap Power Manager.

Select Background app management.

Toggle Nine to Allow auto-start.

OnePlus (Android 7.0 and earlier)

For system versions earlier than Android 8.0 Oreo, ensure that Nine is set to auto-launch:

From the app drawer, tap Settings.

Tap Apps.

Tap the gear icon in the top right.

Select App Autolaunch.

Toggle Nine to enable.

OnePlus (Android 8.0 and later)

Step 1: Check that app storage is set to clear normally

From the app drawer, tap Settings.

Tap Advanced.

Select Recent apps management.

Ensure that Normal clear is enabled.

Step 2: Exclude Nine from battery optimization

From the app drawer, tap Settings.

Tap Battery, then Battery Optimization.

TapApps not optimized and select All apps.

Find Nine and ensure it's set to Don't optimize.

OnePlus 3

Adjust your battery optimization to allow notifications from Nine when it's running in the background:

From the app drawer, tap Settings.

Tap Battery.

Select Battery Optimization.

Tap the Overflow Optimization.

Select Advanced Optimization.

Toggle Nine to off

OPPO

Step 1: List Nine as a protected app

From the app drawer, tap Settings.

Tap Advanced Settings.

Tap Battery Manager, then Protected Apps.

Toggle Nine to enable protection.

Step 2: Ignore battery optimization for Nine

From the app drawer, tap Settings.

Tap Apps, then Advanced

Select Ignore Battery Optimizations.

Toggle Nine to ignore optimization.

Step 3: Allow notifications from Nine

From the app drawer, tap Settings.

Tap Notification Panel & Status Bar.

Tap Notification Center.

Find Nine and activate allow notifications and priority display

Samsung

Step 1: Prioritize notifications from Nine

From the app drawer, tap Settings.

Tap Apps.

Select Nine.

Under App Setting, tap Notifications

Toggle on Set as priority.

Step 2: Register Nine into Unmonitored apps

From the app drawer, tap Settings.

Tap Device management.

Select Battery.

Tap Unmonitored apps.

Add Nine to this list.

Xiaomi

Check that Nine is given permission to autostart:

From the app drawer, tap Security.

Tap Permissions.

Tap Autostart.

Toggle Nine to enable.