Hello! I have a Fairphone 4. It behaves very strangely: placing and receiving calls is not working; sms is working fine; mobile internet is working fine (when wifi is disabled); sometimes, after you reboot the phone, calls work once again, but for a limited time and with significant var…

Hi Costin and welcome to the community forum :slightly_smiling_face: To me, this sounds like a problem at your carrier’s end so you need to show them. Can you reproduce it fairly easily (reboot - make a call - then stops working) ? When did this start? Would there have been any particular event? L…

Hello OldRoutard, Thank you for your response. It’s not easy to reproduce this problem. As I mentioned, sometimes (1 in 10, maybe) it starts working again after booting the phone. But in general, it does not. The problem started yesterday. I am unsure if it has anything to do with the fact that I…

There’s likely an adjustment that needs to be made by the carrier after talking to Fairphone. Get in touch with official FP support: click #contactsupport

Ok. I will send a request to contact support. Thank you!

Perhaps a new SIM card will help.

Well, kind of… I’ve managed to swap three different SIM cards. The results are: Digi Mobile - the primary carrier, it doesn’t work. Actually, I’ve tried two different SIM cards for this carrier, and the results are similar to what I described in the original post. Orange - it works (voice, mob…

[image] Costin_Ioan_Cosoiu: Which it is, since if I install the SIM on another phone, it works very well. Just because it works in another phone does not mean it can’t be faulty. How old is the SIM and which network does Digi use, Vodafone?

If Orange works, the phone is okay. If two different SIMs of that same carrier display the same issues, it can’t be the SIM either (it would be a hell of a coincidence they both have the exact same defect!). Remains the carrier, and unfortunately that would also be the most difficult to fix, espec…

Yes, you have a point here. However, I assume (of course, I am not sure) that if the sim slot is faulty, then if you are moving the phone, it would lose connectivity due to poor mechanical connections between the sim and the sim slot pins. All sim cards, you may say, are equally old (a few years ol…

I assume Digi does not have its own network and is using Vodafone, Orange, Telekom or whatever it is in your country (so my provider is Simplytel and is using the O2 Telefonica network)… As Vodafone is not working for you my assumption was Digi might use the Vodafone network. so there might be some…

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