Someone I know has a Samsung Galaxy J7 Prime running On 2degrees, and they seem to not be able to receive texts or calls at times. The signal strength is 3/4 bars, yet nothing comes through. When I try and call, it gives the "phone dead" tone, and sending a text returns a "Cannot send this message, error 38". Yet when they call me, it's fine, and then I call back straight away, their phone rings!?! This has me kind of baffled as I'm not sure if it's a network problem, or a phone problem.Does anybody have any ideas please?
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