How do I update HassOS 5.3 to 5.4 beta

Installation Home Assistant OS
1

I I am running HassOS 5.3 beta on a RPI 4 because I use a SSD with direct boot. To get this working you need to use the lates RPI firmware and HassOS 5.x

After I successfully get this running a new 5.x version has been issued. Unfortunately in HA I only have the option to “upgrade” to the newest 4.x Version. Can anybody tell me what to do to upgrade to the newest 5.x release.

P.S:
I know that a fresh install with a downloaded 5.4 image and restore of the backup will bring me there. I am just curious if there is an upgrade path available without the need to do a fresh install.

2

Use a USB flash drive. Name usb flesh CONFIG (capital letters). Download file 5.4 raucb. Copy to USB. Join Rpi. Host system select import from USB and wait. It restarts itself.

3

SSH to PI.
Use command: ha os update --version=5.4

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