Update

Remember to:

Check the compatibility matrix of your GLPI version with Flyve MDM Plugin before any update.
Make a backup of your database.
Make a backup of the files of GLPI.

Compatibility Matrix

GLPI	9.1.x	9.2.x	9.3.x
Flyve MDM	1.x.x	2.0.0	2.0.0
-----------------	-------	--------	-------
FusionInventory	9.1+1.0	9.2+1.0	9.3+1.0
-----------------	-------	--------	-------
Web MDM Dashboard	-	2.0.0	2.0.0

Download the new version of the plugin.
Go to glpi/plugins directory.
Move the folder of Flyve MDM plugin out of the GLPI subtree (old version).
Install the new version of the plugin (this one should be named flyvemdm).
Change the current directory to the content of Flyve MDM plugin cd glpi/plugins/flyvemdm.
Run php tools/cli_install.php in order to update your database.
Enable the plugin again with the user interface of GLPI.
Check in the file glpi/plugins/flyvemdm/scripts/service.sh that the user of the daemon is the same as your HTTP server (www-data for debian based systems).
If you need to change the user, please run update-rc.d flyvemdm defaults.
Restart the daemon service flyvemdm restart.

After you successfully confirm everything is as it should, delete the old version you moved out of GLPI.

If you installed the Flyve MDM plugin through git:

Go to the Flyve MDM plugin's directory.
Use git pull to update your local branch.
Run php tools/cli_install.php to update the database.
Enable the plugin again with the user interface of GLPI.
Check in the file glpi/plugins/flyvemdm/scripts/service.sh that the user of the daemon is the same as your HTTP server (www-data for debian based systems).
If you need to change the user, please run update-rc.d flyvemdm defaults
Restart the daemon service flyvemdm restart.

You can use this method to upgrade the plugin from a revision to another revision on the develop branch.