Script to downgrade Remarkable version. Please reference https://github.com/ddvk/remarkable-update

downgrade.sh

#!/bin/bash

# Usage:
# SERVER=LINK_TO_YOUR_SERVER ./downgrade.sh

REMARKABLE_UPDATE="/usr/share/remarkable/update.conf"
REMARKABLE_UPDATE_BKUP="/tmp/update_bkup.conf"

# Copy Remarkable update file
cp $REMARKABLE_UPDATE $REMARKABLE_UPDATE_BKUP

# Add server line.
echo "SERVER=$SERVER" >> $REMARKABLE_UPDATE

# Start update engine.
systemctl start update-engine

# Trigger update
update_engine_client -check_for_update

# Tell user to check update status
echo -e "Check the status of the update with \n  journalctl -u update-engine -f\n"

# Restore original server file
mv $REMARKABLE_UPDATE_BKUP $REMARKABLE_UPDATE