FP5 drop mobile data connection after couple minutes

[OldRoutard]

Do you have 2 SIMs?

Sounds a bit like this pb with FP4

Mobile data connection breaks after few minutes using dual SIM

Since several weeks I have severe trouble with mobile data: It used to work fine for several years I do have SIM (Telekom) and eSIM (1&1) When the error occurs, I do not get mobile data connection anymore, I can switch the provider/SIM, I can reset network, I can change or reset APN, I spent days and nights reading the web and troubleshooting the problem but nothing helps What does help is to reboot the phone, then the mobile data connection is working find for a few minutes until it stops wor…