There have been no major changes to the Phoenix network in regards to talk groups since late 2015.
Here's a Retevis RT8 code plug - got the radio yesterday from someone in the Midlands area.
It does not have TG's 83, 84 & 85 but you can add them and modify the code plug to suit.
Baofeng UV-5R , Motorola DM4600 , TYT MD-9600 , TYT MD-UV380 , Anytone AT-D868UV , Retevis RT8 , DV Mega (Pi-Star) , Inrico T320
Local repeaters GB7CT , GB7WL , GB7HR , GB7NS , GB7GF and GB7BK
Admin : http://www.dmr-uk.net