Why am I getting screen mirroring errors on my Galaxy S5?

[AC Question]

screen mirroring galaxy s5

when trying to screen mirroring by galaxy s5 it finds device says it's connecting then I receive an error that says "failed to connect via screen mirroring " galaxy s4 works fine .

 

[STARGATE]

Re: screen mirroring galaxy s5

It has happened to me and my GS5.
I found out that the TVs I was trying to connect didn't have updated software.