Can't rollback stock firmware Archer C20v5

I installed a version of openwrt for Archer C20 V5 (BR), but now i want to revert to original firmware.
I downloaded the firmware from tplink site and select flash image via Luci.

But the router was bricked (only network led is on). I try flash the same firmware via TFTP but the behaviour was the same. I try to flash US firmware too and i had the same result.

Anyone have an recovery.bin file from original firmware archer c20?

Thanks a lot!

I really couldn't make the rollback to stock firmware. However surprisingly, i update the version of the openwrt, and after that, the 5Ghz network was work normally!

I used this firmware: