Dialer app does not work anymore (call not sent)

Help Fairphone 2
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1

I have a rooted FP2 with an updated Open OS.
I am currently in Chile, with 1 Italian SIM card (Wind) and 1 Chilean SIM card (ENTEL). The dialer worked just fine until this morning with local (Chilean SIM) and receiving roaming calls (Italian SIM). I never called through roaming before.

Today I had to urgently call to Italy so I just started trying to call through both sims and I got “call not sent” errors.

I found out that roaming was not activated in the sims options, so I activated it but it still did not work.
Just to try something (stupid idea) i tried to change the network operator (in Cellular network settings) to both SIMs. This was a bad idea.

Now dialer does not work anymore. I click on contacts, number, or write numbers in the box but no way to start a call; if i touch the phone icon next to contacts the phone just does not react.

I tried to reset the network settings choosing “automatically detect network” but the situation did not improved.

Any suggestion? I still have to call Italy!!

2

Try going to Settings > Apps > All > Dialer and erase cache and data.

3

I tried but delete cache and delete data options are greyed and inactive; rebooting did not help.

Anyway now the app reacts and starts calling but I get Call not sent both for local and roaming calls.

4

If you only recently activated the option that the dialer should ask which SIM to chooose for the call, then maybe this workaround could help:
https://forum.fairphone.com/t/two-sim-cards-cant-make-receive-calls-when-both-are-turned-on-workaround-wait-5-seconds/12118?source_topic_id=23672

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5

Thank you so much, this solved my problem!

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