Error 4003 on Android mobile


If you can’t play a video because of error 4003 on your Android mobile phone, follow the steps below to fix the problem.

You are getting error 4003 if:

  • Your mobile device is Oppo Realme, Realme, OnePlus, Xiaomi Poco, and Xiaomi Redmi and has OS Android 11 (SDK 30).

  • Your mobile operating system is not updated to at least Android 12 or higher and doesn’t have the latest security patch.

To update your operating system to at least Android 12 or higher and install the latest security updates, go to Settings > System update on your mobile. Once updated, relaunch the OSN+ App.

If you are still getting the error, please drop us an email at or submit a request providing these details:

Your Device Model:

Android Version (Found in your device 'Settings'):

OSN+ App Version (Found at the bottom of ‘Profiles & Settings’ screen):

Our technical team will help fix this error to ensure that you have a seamless OSN+ experience.