tkos
32
As far as i understand you have 3 different problems.
Issue with T-Mobile SIM cards discussed in this topic.
2
You couldn’t recive calls or you couldn’t make calls?
Take a look in this topics:
https://forum.fairphone.com/t/two-sim-cards-cant-make-receive-calls-when-both-are-turned-on-workaround-wait-5-seconds/12118?u=tkos
Take a look here:
You could have been found all that infos by yourself in the forum.