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Changing the preferred network type in engineering mode always reverts back to default on reboot. This is annoying as many connectivity issues (slow data connection, disconnected phone calls) are fixed when "LTE/GSM auto (PRL)" is selected. Is it possible to make these settings permanent? I work...

Hi, I encountered a strange problem and I don't know if my R3S or the provider is the cause. I'm on Telefonica network in Germany permitted to use LTE. In certain network cells (here: in a larger city) when my R3S is connected to LTE network i'm not able to receive voice calls (Telefonica...