Oppo phones are smartphones produced by the Chinese company Oppo.
This guide will show you how you can fix the issue when your Oppo device does not receive notifications about new incoming calls or messages.
Applicable to all OPPO smartphones.
Instructions
If your phone cannot receive notifications, please try the following steps:
Make sure that your phone is connected to the network
Make sure that your phone is connected to a Mobile network or WiFi network.
Check the settings of your phone
Go to the phone settings page: Tap on "Notification & Status Bar" - open the option "Wake Screen When Notifications Received on Lock Screen"; tap to enter "Manage Notifications" and find the Ringotel App. Enable the "Allow Notifications" and "System preset channel options" options.
Go back to the phone settings page: Tap on "Battery" - disable the option "Power saving mode" and "High-performance mode" (by enabling these two options, the system will block many notification messages).
Tap to enter "App battery management" and find the Ringotel App. Enable all the switches.
Check the version of the application
Check if there are any updates to the application and download the latest version in Play Store. Check if the problem persists after the installation of the latest version.
System Update
Go to Settings → System Updates or Software Updates on some devices to check the system version and update it to the latest version.
Still have problems?
Contact OPPO Service or back up data, take your phone, proof of purchase and warranty card to visit a nearby OPPO Service Center for more help.