Dear all, I just brought two Tplink Archer C5 V4 router, but I am unable to upgrade firmware. After upgrading it is keep saying "Error code: 4503 The uploaded file was not accepted." Kindly help me ho

I actually have an Archer C5 V4 router. And i've been having issues where the network just dissapears and also disconnects from the devices connected and have to reboot it everytime this issue happens