Thanks for the link to install ar71xx to ath79
Here is the system upgrade package I chose:
Model
TP-Link Archer C60 v3
Platform
ath79/generic
Version
19.07.4 (r11208-ce6496d796)
Date
2020-09-08 18:49:19
It did not work through the gui.
I tried through busybox and it didn't go through:
root@OpenWrt:~# cd /tmp
root@OpenWrt:/tmp# sysupgrade -n openwrt-19.07.10-ath79-generic-tplink_archer-c60-v3-squashfs-sysupgrade.bin
Device archer-c60-v3 not supported by this image
Supported devices: tplink,archer-c60-v3
Image check 'fwtool_check_image' failed.
root@OpenWrt:/tmp# ^C
root@OpenWrt:/tmp# Supported devices: tplink,archer-c60-v3
-ash: Supported: not found
root@OpenWrt:/tmp# Image check 'fwtool_check_image' failed.
-ash: Image: not found
root@OpenWrt:/tmp#