[Q] Help with main sim tray - Huawei Ascend P7

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?

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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?
Click to expand...
Click to collapse
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

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