FP4 randomly stops recognising the physical SIM

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I dont think you both have the same problem and @pbb123 I rather would think you have the same issue as the OP. So how old is your SIM card what have you tried already, like e.g. re-seating the SIM etc? @pbb123 can you be more precise what happens? Any notification tjat no SIM is inserted?

@bm90001 I dont think your SIM is not recognized, you just dont have network, or?

Edit: @bm90001 I moved your posts over here to seperate the issues with dual SIM network connectivity issues