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Z fold 4 dual sim randomly signal drop after Dec update

(Topic created on: 16-01-2023 02:57 PM)
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welshpear
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Hi guys, I have z fold 4 with two sim cards (1 physical sim and 1 esim). Since the Dec update, I will randomly lose the signal on both numbers.. The both signal bars is still showing signal but I cannt make and receive phone call or access Internet. When try to go to flight mode, the flight mode button will grey out forever and phone will lose response. The only way to get the phone back to work is either by rebootting the phone or manually switch off my esim and switch back on again. 

It is really annoying as you will never know when reception woukd drop. Hence, I missed many of phone calls. 

Has anyone have similar problem after the Dec update too?

Thanks. 
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