@ARGamingPK1 no still failed look picture below i just try install it again....first its upgrading until 40% and then failed... mine is version 2 wich version are your M4?

@ARGamingPK1 I did....unzip and install....

@ARGamingPK1 Yes, i think i download the correct file from here https://community.tp-link.com/en/home/forum/topic/651248 but i can not install it....via webui or via Uboot web-based interface both...

Hi, Tplink! Hi it's me again, I once installed beta firmware 1.7.0 to my m4r v2 and it didn't work. It said that the firmware was incorrect, I tried installing it both from webUI and firmware...

@David-TP yes!!! Finalllyyy!!!! yeahh!!! Please M4R v1 and v2 too ......

No answer from tplink team yet? or they just ignore and leave this old Deco model??