Model :

Hardware Version :

Firmware Version :

ISP :

Hi

I have an Archer C7 v2 hardware ver: 00000000, router with Firmware: 3.15.1 Build 160616 Rel.44182n

Its dropping my internet 2 or 3 times a week, so i wanted to update the firmware, but no matter what version of firmware i try out it just tell me this:

Error code: 18005

Upgrade unsuccessfully because the version of the upgraded file was incorrect. Please check the file name.

but i am getting the file from TP-link webpage and have the V2 version, so i don't know what to do now, please help

I am running Windows 10 and have a fairly simple setup, running from router to a switch and then to pc.