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ubiquiti:downgrade_controller

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Ubiquiti - Downgrade Controller

ALERT: This is NOT supported, so at own risk!

Always make a backup (suggest - settings only) to your PC before upgrading or downgrading so you can get back where you were.

NOTE: If you don't have a backup - then you will need to factory reset your devices, adopt and configure like a new setup.


Downgrade the Controller

SSH in and load previous controller.

apt purge unifi -y
rm unifi_sysvinit_all.deb*
wget https://dl.ui.com/unifi/5.14.23/unifi_sysvinit_all.deb
dpkg -i unifi_sysvinit_all.deb
rm unifi_sysvinit_all.deb

NOTE: Replace the version in the wget line with the version you want.


Import your settings backup


Check Logs

If you have issues, then check the logs:

/usr/lib/unifi/logs/
ubiquiti/downgrade_controller.1603380124.txt.gz ยท Last modified: 2020/10/22 15:22 by 192.168.1.1

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