Backup/restore EC25 config?

Is there any possibility to backup/restore the full configuration of an EC25, (secret) AT-cmd preferred ?
Would be very handy to set up a fleet of modems.

Hello, the backup and restore operation may affect the Flash service life of the module or restore other Settings. Therefore, you are not advised to use this operation.

I am really wondering, that usage of a possible backup/restore function, just for initial setup of the EC25, might be able to “damage” its flash. Must be bad quality, then.