@Sunshine it wasn't that one. I've just tried it, and it looks to have resolved the issue - thanks! Given that this beta firmware is from 2020, it seems very poor that an official update hasn't been...

I am unable to view SMS messages on the tplinkmodem.net interface. I have seen a couple of previous threads about this, but the beta firmware provided is not accepted by my MR600. I have 56 messages...