[Network Issue] Service Update - Resolved

Ours too

Still down at 4.25pm 

Concerningly, people are reporting that they're not able to call 101/111 during this 'outage'. Having done a 'live chat' with Smarty, they're unable to confirm whether emergency calls to 999 are also affected (obviosuly, I'm not going to try... but that's extremely concerning if we're not able to make even emergency calls during this outage that's now been going on for close to 3 hours

Try entering your postcode into SMARTY's network status checker.
https://smarty.co.uk/network-status-checker

Yep, there does look to be an issue right now.

People are also reporting it on the Three Community.

Same for me. 

Yep - seems like the Three network is down (for voice, SMS/Data,etc still works)