# 52141: The provided APNs device token has been unregistered

Log Level: ERROR

## Description

### Possible causes

* APNs notification delivery rejected because the app has either been uninstalled or notifications have been disabled.

### Possible solutions

* If the offending Binding still exists, remove it manually or avoid sending Notifications to it.
* If the problem persists, please contact [customer support](https://www.twilio.com/help/contact).