Ive just changed Broadband provider from Sky to Vodafone (UK) I swapped everthing over from the Sky router to the Vodafone router (TGH3000) and the EAP225 wifi wouldnt work and kept getting "Incorrect

I installed 2x EAP225 in my house a few years ago and everthing was great apart from the signal was weak in the back garden .Ive now bought a Secondhand EAP220 to put in the back room to have a better