I want to force my SL808xT modem to only connect in 3G mode, and never 2G.
This is easy to set with AT!SELRAT=01 but the setting does not persist across restarts.
I’ve checked the AT commands guides and I couldn’t see any alternative setting that is saved to the flash memory.
Is there any way of forcing the modem to only connect in 3G mode in a way that applies across restarts?
Thanks,
Dave