i have wa7510 1.3 version of acces point i want these fimver in hope to have good signal on wide channels becouse of copy big files , i also use good instructions for using these ap on 5ghz on 40HT what channel is best and how to set long range please

Yes, you should be able to use the -factory bin for installing, but don't expect any new updates. LEDE is older than the 18.06.9, and EOL, I'd stick with OpenWRT.