I use yo have this problem with my 6s and my normal fix is to remove the sim restart the device and put the cim back in. If this doesn't improve try doing the same thing but instead of restarting try factors resetting the device.
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I use to have this problem with my 6s and my normal fix is to remove the sim restart the device and put the sim back in. If this doesn't improve try doing the same thing but instead of restarting try factors resetting the device.
I use yo have this problem with my 6s and my normal fix is to remove the sim restart the device and put the cim back in. If this doesn't improve try doing the same thing but instead of restarting try factors resetting the device.