@Sunshine Hi, I am now in Germany and took the MR600 with me. But the problem remains, 4G+ is on and off. I tried, inter alia, the following: Band Selection / CA set to Auto Reboot Advanced section...

@Sunshine Many thanks, I checked (with my main SIM card, same contract) as per https://www.tp-link.com/de/support/faq/3488/, and I can only see Band 3. Is there any other specific value I shd check?...

@Sunshine Additional thought (of a layman only!): Is my understanding correct that the LTE modem is a separate PCI Card (attached to the Router)? And if so, is it possible to update the firmware of...

@kernash Thanks for pointing this out, Kernash! @ sunshine Based on the discussion referred to by Kernash, I have switched to Automatic Band selection. However, even though initially Advanced Status...

@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...