4G activation to receive MMS does not work on FP3

• /e/ version:e_FP3-userdebug 10 QQ3A 200805.001 eng.root.20220406.130425
• Device model(s): Fairphone 3
• Device rooted: yes

Summary

When a user disable mobile data (4G), and a MMS is receive, the notification "do you wish to activate date to receive the MMS" shows up as expected, but after agreeing, nothing happens. When the 4G is activated, the MMS are received and sent normally. This bug was noticed by a customer of Commown, and reproduced by the Commown team.

The problem

Steps to reproduce

Get a Fairphone 3 Activate mobile data Make sure the MMS are sent and received normally Deactivate mobile data Try to receive a MMS The notification mentioned above will pop up Accept Check the messages : the MMS is not received

What is the current behavior?

MMS are not received for users that keep the mobile data off and wish to activate mobile data only when a MMS arrives.

What is the expected correct behavior?

MMS should be received after accepting to activate mobile data on the notification

Solutions

Workaround

Get mobile data activated at all time : not acceptable for some users.

Possible fixes

no idea ^^