@Sunshine I was to quick with my response... If i use my Router in "Wireless Router mode" and want to have the 3G/4G Backup, it wont work in Italy, if i switch to "3G/4G Router Mode" it works. Today...

@Sunshine I think i found the solution, in Italy i need a different auth type, should be "PAP" in combination with IPv4 only... Works now for more than 15 mins :-)

@TP-Link Can someone answer the question from BigBayer? I'm also interested!

@Sunshine The default profiles are also not working, especially in Swiss the IPv6 is the problem, so here only this one is working. In Germany this is also working, and sometimes in Italy this is...

@Sunshine PS: I`m just till 11.6. in Italy, after that i will move on to a different country...

@Sunshine: I use a German SIM in Italy, this SIM works in an other device! I also noticed it worked once in the router immediately after the reboot i made to take the Screenshots for u. After some...