Reverting OpenWRT from snapshots to release

I had a Totolink A3 that I accidently flashed with the snapshot firmware. Reverting back was fairly simple.

First I needed to download the release sysupgrade file. Then I was able to transfer this file into the router using scp. For this I have connected my Windows laptop via Ethernet and set the IP to 192.168.1.2 . The command to transfer the firmware file was the following:

> scp openwrt-21.02.3-ramips-mt76x8-totolink_a3-squashfs-sysupgrade.bin root@192.168.1.1:/tmp

Then, ssh into the router and flash the firmware:

> ssh root@191.168.1.1 
$ sysupgrade -v -n /tmp/openwrt-21.02.3-ramips-mt76x8-totolink_a3-squashfs-sysupgrade.bin

This should be everything to get the router back to release firmware.