@Sunshine Also, below is an extract of the (apparently) available bands in Switzerland by Sunrise (source: https://en.wikipedia.org/wiki/List_of_LTE_networks_in_Europe -- assuming this list is up to...

@Sunshine Thanks for the prompt reply. Unfortunately I do not have another Cat6 mobile router (only my iPhone, though which I understand is probably a higher Cat class?). Just in case, below is a...

PS: To clarify, my subscription is with FL1 (FL1 Free! - https://fl1.li/de/mobile-abos/free), which uses the Sunrise network in CH). I have tried using the FL1 APN profile, and tried turning NAT...

Hi, The 4G+ LED on my MR600 v3 regularly switches between on and off. Network Mode is 4G Only. Selected Manual Bands are 3 and 20 (Sunrise - Switzerland). ISP settings shd be correct and current (ISP...