I was using a Lebara SIM in my Librem 5 for overseas travel. Then I wanted to try my USA sim again. I switched to USA and back, and now the Lebara sim only has Data, but calling and texts are basically dead. They stayed dead for several days and on both dual boots (crimson, byzantium). Is this more…

[image] Dlonk: Seems difficult to debug. Yes. Many moving parts. VoLTE issue?

“Overseas” is quite large. Remember, L5 modems are not global and not all bands are available. One thing to consider is, that if you are on the move somewhere in that distant country, you may end up to a coverage area there, where you may have not have your modem’s bands available (voice and sms may…

Don’t think it’s a shadowban issue… Do you have roaming on either SIM? I wonder if swapoing with roaming would trigger some backend system to prevent certain aspects being using in the case of a SIM swap to a modem that is already used by another service/carrier (which it should’t do). Being said it…

But SEE events are fairly rare, but being in a plane can increase the avaialvility of charged particles resulting in a higher likelihood of Single Event Errors.

[image] JR-Fi: “Overseas” is quite large. The OP has previously stated that he is in Europe, albeit that “Europe” is still quite large, just not as large.

[image] Dlonk: USA SIM is still not working overseas here. Switch modem hardware switch to “ON” :wink:

Some thoughts: 1_ BM818 modems are unfortunately regional, and frequency bands likely don’t align well with carriers outside the BM818’s designated “home” region (i.e. North America vs. UK vs. EU). 2_ Some area networks on which you have previously been able to roam in your travels may have had re…

[image] amarok: 1_ BM818 modems are unfortunately regional, I physically removed by BM818-A modem and replaced it with BM818-E based on the bands available in the travel destination before traveling from US across the Atlantic, and once I arrived my cell service was working fine for a period …

I never swapped, but I do have international roaming on my cell account.

Purism community

Librem5 Shadowbanned by cell provider

Hardware Librem 5

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