Hi AHarvey,
Just tried and all 3 Matrix work on my phone and tv.
I was having a similar problem with a Hisense tv as well, have you tried removing your prime account from the tv - reboot the tv - add prime account to the tv. This will need another device to verify your account, I used my phone to verify.
In the end my Hisense had other problems losing tv stations so swapped to a Bush and all ok now.
Just tried and all 3 Matrix work on my phone and tv.
I was having a similar problem with a Hisense tv as well, have you tried removing your prime account from the tv - reboot the tv - add prime account to the tv. This will need another device to verify your account, I used my phone to verify.
In the end my Hisense had other problems losing tv stations so swapped to a Bush and all ok now.