Taranis just won't bind

Hi all just need to pick some brains I’ve got a taranis x9d and x8r receiver I tried to update it and no matter what firmware I put in it just won’t bind I’ve used international and lbt Euro on numerous occasions and it just won’t bind my question is is it possible to damage transmitter by upgrading it I’ve also loaded both internal xjt. With inter and lbt but nothing also running open tx Europe 2.1.9 but nothing tried every combination and read every tutorial think tx board must have gone is there anyway of testing it I have two receivers that’s why I think its th tx module any help would be greatfully appreciated