Just popping in to say that yes the V4 Remote Control for the TV Boxes is the working replacement for the V1/V2 and V3 Remotes. The button layout is slightly different but clearly labelled so you'll get used to it fairly quickly.
So long as you're still a TV subscriber, i.e. have an active TV Boost then TalkTalk will maintain the equipment for you and the TalkTalk Community Team will pick up this request from Monday onwards.
I've received confirmation from our network team that the engineer is booked for the 15th AM (08:00-13:00) - please let us know how you get on
Chris, Community Team
Unfortunately you will have to get one from the TT shop unless a kind OCE is good enough to send you one free. https://accessories.talktalk.co.uk/product_list.aspx
Could you please start your own thread for support as each problem is individual and needs investigating separately. This will then be seen by an OCE who will see your post as you have posted on a solved problem one.
Could you please also ensure that your community profile includes your PHONE NUMBER as OCE's will need this to tie up your screen name to your account. (click on your avatar to view the information > Settings > Launch Profile Wizard,put your phone number in box, then scroll to the bottom of page and click save)