@john.awad Make a backup, I think its reversable.

@Sconi Awesome! Remember that's not the full FW. They are still working on it. I have quite a few disconnection issues as do others. It might improve. Good luck.

@davidc01 My ee sim does pick up the dual bands but always 3,3.. I have 2 cells near me, no matter what I select, its always 3,3..

@ahhydri Does the SIM have a Security PIN active? I also strongly believe that if you have a pure Data SIM rather than a SIM deal with calls, SMS and Data it's better... If someone sends an SMS or...

@Nicola_IT Use CellMapper dot NET to see if you can tell... It has phone apps too.. In my case, my 4G via the MR600 only connects to the same 3,3 mast yet my phone and other devices switches.. My...

@apt apt wrote I've been using https://www.cellmapper.net/ to get an idea on my local cell towers and the bands they use. Around me (UK) most are 3 with the odd 7 or 20 which are on the edge of my...