Raymarine Axiom and Navionics - SD card backup

[LouAnn68]

Hi everyone,
Currently have an 8gb SD card in the Axiom 9 RV MFD.
When it is time to update the operating system and or Navionics, space is limited.
I would like to copy all files to include any hidden files from the 8gb SD card to the 32gb SD card.
It seems that Navionics has two "hidden" authenctication files that are needed at start up.
I have searched the Raymarine site and the Interent with limited success.
Any help/guidance is appreciated.
Regards,
Lou Ann

[jleonar]

The subscription is tied to the CID of the navionics card.

If you want to do this, you will need to go the route of buying a custom CID card from alibaba.

[George_SD]

I didn't find any way to backup reliably, but did read that Navionics replaced cards that failed and the owner could show proof of ownership.

My Axiom always updated fine. I also use a dual slot Raymarine card reader for easy card access, so I don't need to try to get to the back of the unit. Slot 1 is Navionics, Slot 2 - screenshots, custom data, my files, etc.