You're right, I was not knowing a 140704 for v2 only these from here : http://www.tp-link.com/en/download/Archer-C7_V2.html#Firmware

Hi, hawkkk wrote maybe you can flash C7 to Archer C7_V2_150427 I think nikemir using an Archer C7 v1 not v2 ! The latest for v1 is : Archer C7_V1_141204

Hi, Are you speaking only for the 2.4GHz band ?

Hi, I encountered the same situation with my neighbour... As it's the last level in case of problem, so I don't see any other solution. In fact, I think the TP-Link R&D people stupid when defining...

Hi, Probably, you need to use a range extender: http://www.tp-link.com/en/products/list-10.html

NavNad786 wrote resolved by hard reset... but i had wanted to know the reason before hard reset Probably a bug into the NVRAM (I mean with the NVRAM management) !