Hi, Firstly, congratulations for your amazing workâ€¦ it's impressive. I have a question regarding the SD image for A10 Lime (Linux 4.x)â€¦ Can I enable a raw serial device on /dev/ttyS1 which will use the uart0 of the FEX file? If I understand the FEX documentation, the FEX is no longer used on this kind of image, in favor of DTB files. So, how can I manage to modify the DTB file in order to customize my uart settings ? And, finally, how can I obtain a raw serial device on /dev/ttyS1 which will use it ? Regards, Anthony.