# FX30S system image questions **URL:** \ **Category:** FX30\ **Created:** [January 19, 2018, 10:52am UTC](https://forum.sierrawireless.com/t/fx30s-system-image-questions/9749 "2018-01-19T10:52:04Z")\ **Posts on this page:** 1\ **Showing post:** 1
**Author:** ![marben](https://avatars.discourse-cdn.com/v4/letter/m/a3d4f5/32.png) [@marben](https://forum.sierrawireless.com/u/marben)\ **Post date:** [January 19, 2018, 10:52am UTC](https://forum.sierrawireless.com/t/fx30s-system-image-questions/9749/1 "2018-01-19T10:52:04Z")
Hi, just finished app development and now I like to create a system image for factory deployment. (FX30S) What I have to add is: - custom root password - custom iprules table (firewall settings) - UART1 set to 17 (Linux Application) As far as I understand this requires creating a custom yocto build for password and iprules or is there another method to get these settings into the system image?. Using legato-spm I’m only able to download the “WP85XX” package but not the “FX30(WP85XX)”. Or can I use the nativ WP85XX package for the FX30S? Regarding the UART1 setting: Is it possible to preset this somehow in the image (legato,linux etc.) or is it only possible to to make this setting after the flash process via serial communication using the MPUART command? thanks and best regards Markus --- _[View the full topic](https://forum.sierrawireless.com/t/fx30s-system-image-questions/9749)._