Thanks for your reply @Marvin_S I answer quoting your message: First, it is suggested to upgrade firmware to latest from the official website. You may refer to this guide. It's the last firmware...

Afternoon, recently I bought a TL-MR110 router with a SIM card from DIGI (Spain), I'm using the router from within Spain. But only connects with Data roaming ON. If I switch the button to OFF...