If the network is down where you live, it’s down, no amount of re-starting your phone will help. It’s like trying to turn on the lights in your house during a powercut.
As this is the Smarty users forum, none of us work for Smarty.
I do find it odd that you say support has been useless.
Given the situation, as Smarty is owned by Three, I would suggest popping into a Three store for a face to face chat, to see if they can check things out for you.
As this situation has been happening for a week, I am surprised we haven’t heard about this before, you can’t be the only person using Three / Smarty in your area near your mast, many people will likely be affected.
Pop into a Three store and see what they say. Good luck
