In date: Fri, 25 Oct 2019 09:19:01 on group: comp.sys.raspberry-pi,
druck wrote:

> On 24/10/2019 21:13, ray carter wrote:
>> Or you can do an in-place upgrade on the pi3 and then move to pi4. Just
>> replace 'stretch' with 'buster' in you /etc/apt/sources.list then 'apt
>> update' and 'apt dist-upgrade. It will take a while.
>
> You also need to follow that with an rpi-update otherwise the image will
> not have the additional files needed to boot the 4B.

Yes.
The boot partition of pi4 is much large respect the pi3.

Testing tomorrow for a hibrid mode: Boot of pi4 and second partition with files
of pi3.

THANK.

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