I got this router yesterday, everything is fine right now. But this router is heating up, from top its worm but when i touch thebottom of router and the table on which its placed is hot. has Tplink lo

I have Archer C50 V3, looking for an upgrade So the devices @ home are. 4 Cellphones (1 Samsung S7 And Samsung S8, 1 Iphone Xr, and 1 Mi Note 4) 1 Google Home 1 Google Chrome Cast 1 Amazon Firestick 1

not able to get the firmware fro TP link website https://static.tp-link.com/2020/202002/20200226/Archer_C50v3_EU_0.9.1_0.6_up_boot[200218-rel38747].zip Getting below error