Just received a RaspberryPi 4 plus

General
1

I just got a RaspberryPi 4 and am wondering if I can just switch the sd card from my Pi 3B+ to it or do I need to put the image onto another sd card for it? I don't want to just try it in case it messes up my current version which has always worked perfectly for me. Thanks for any advice in advance

2

Depends on how old the OctoPi version is on the SD card.
It maybe needs a

sudo apt-get update          # Update the app repository database about the possibilities available
sudo apt-get upgrade -y      # Update the current collection of installed apps
3

Trying it won't break the current install, if you switch the SD cards over and it doesn't work you can put it back in the Pi 3B, create a backup in OctoPrint and flash a new image.

4

Thanks. I keep a recent backup at all times so I will just flash it to a different sd. Probably the safest way

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5

If you run sudo apt update
sudo apt full-upgrade -y
sudo rpi-update
Then put it in the pi 4 it will boot no problem. The last one makes sure the bootloader firmware is the latest

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