Downgrade to 15.05.1 squashfs

Hi All!

How could I downgrade from OpenWrt v21 to ?

I didn't find any 15.05.1-sysupgrade.image, that's why I am trying to find out the way to downgrade to 15.05.1-squashfs.

Have you tired...19...18...17...etc.?

:warning: (You are aware Chaos Calmer is unsupported and dangerous to use in production environments, correct?)

Yes, I am tired :slightly_smiling_face:

so the command is for the console:

sysupgrade -n -F openwrt-lantiq-xway-ARV752DPW22-squashfs.image

  • This should be unnecessary
  • I am not familiar with stability during downgrading, sorry