On 2020-12-30, Jan Panteltje  wrote:
> Just bought a PI4B 8 GB
> Unfortunately it does not run SDcard images from my older PI4,
> boot process hangs with something like 'use more modern software'.
> It runs OK with 2020-12-02-raspios-buster-armhf-full.zip (just downloaded
from raspberry org)
>
> Web search talks about these 4B having a boot EEPROM..
> This is a problem as there is a year or more of work in the current images.
>
> Whats up?

Put the sdcard back into the older pi4 and run update on the operating system.

apt-get update
apt-get upgrade

That should update the boot loader stuff and it should boot in the 8Gb Pi4

I've done that before when upgrading Pi hardware.

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