What is “PDP Authentication Failure”

This failure can be caused due to issues with your eSIM validity or settings.
Check if:

1. You have valid data remaining on your eSIM
2. Your APN is set up according to the installation process
3. You’re connected to a network supported by the eSIM (You can find the name of the supported network on your eSIM App/Website)

If everything looks okay, then try resetting your network settings under your phone settings and restarting your device.