S20 Ultra Keeps detecting ghost SIM card - Device Repair

My S20 Ultra LTE dual sim keeps detecting a SIM in the second SIM slot which is making the phone lose service. Is there a way to disable the SIM slot permanently or convert the phone through the firmware to single SIM. PLEASE HELP!!!!!

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[Q] Help with main sim tray

Hi,
I have a dual sim chinese edition P7.
I went to change the main (3G) sim card today and the sim slot has become inactve.
It won't register any sim card. The second (2G) slot still works fine.
Any idea how to fix the sim tray?

Dual SIM Note 8 Poor Network connection

I've got my phone setup with a Fido (Canada) data SIM and MTN (Nigeria) SIM for roaming in the second slot. I am using a sim adapter so a 128gb Samsung memory card is also hooked in. For some reason the MTN roaming SIM will not receive calls, most callers to that SIM card are told the number isn't available. However, if I switch off the second data SIM, the First SIM will then be able to receive calls without any problems. I've taken out the sim adapter and memory card, but this still persists.
Has anyone experienced this before or know a way to fix this?
gangsta101 said:
I've got my phone setup with a Fido (Canada) data SIM and MTN (Nigeria) SIM for roaming in the second slot. I am using a sim adapter so a 128gb Samsung memory card is also hooked in. For some reason the MTN roaming SIM will not receive calls, most callers to that SIM card are told the number isn't available. However, if I switch off the second data SIM, the First SIM will then be able to receive calls without any problems. I've taken out the sim adapter and memory card, but this still persists.
Has anyone experienced this before or know a way to fix this?
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So the phone is not a dual-SIM phone, it is only with the "adapter"?
It is a dual SIM phone alright. These hybrid dual SIM can either take two SIM cards or one SIM card and a memory card. If you want all 3, then you need to use an adapter to achieve that.

Dual sim but only 1 carrier for data

I have a dual sim N9 from Globe Philippines. I just realized that despite it being dual sim, only the slot where the Globe sim card is placed can access data. I want to be able to choose which sim card I'll use for data. There are places where signal is better for the other brand sim so it's only logical to shift to that carrier's service. Is there a way to do that without having to sim unlock the phone?

Problem with dual SIM

My phone is having issue with detecting sim in slot 2. I have an ee and a virgin sim which both work in slot one fine. I also do not see Sim manager in the settings anywhere. I'm guessing it's a software problem as phone is brand new and its probably a tick box that I can't get to. Any ideas?
VOG-L09 singlesim variant ?
if so second slot is meant/restricted for nimcard only.

No SIM card inserted

I just bought my S20 FE from canada and thr SIM card doesn't work in Egypt, once I insert my SIM card it works for 10 minutes then it says NO SIM card inserted. Is there's anything I can do?

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