I don't have a pi3 but it is my understanding that if you have updated the Raspbian Jessie release to current on the pi2, you can put it into the pi3 and it will work. But like I said, I don't have one to try.W6JHB wrote:Can the existing card just be plugged into the new RPi?
The SD Card needs to be updated, a good read is the MagPi issue 43: https://www.raspberrypi.org/blog/magpi-43W6JHB wrote:Sorry if this has been asked before - I looked through the recent posts, but didn't see it having been asked. I've got a 32 GB SD card running my Rpi2. Will this card work in the new Rpi3 as is? After having loaded and configured quite a few applications, having to start from scratch with a different card on the Rpi3 isn't something to look forward to. Can the existing card just be plugged into the new RPi?
Actually Wheezy can be updated for the RPi 3B but both Wireless and Bluetooth needs to be a manual installation of drivers / firmware etcetera, but YMMVBMS Doug wrote:If the old card has Raspbian Wheezy then it won't work, If it's Raspbian Jessie then Updating it should be enough to get it working.
The RPi 3B is more power hungry, therefore what is the specification of PSU, the recommended is 5.1V 2.5Ah2obo wrote:I have been running Jessie in my pi2 and just bought a pi3 and I would like to use the same sdcard. I did the all the apt-get update/upgrade/dist-upgrade to get everything current and was hoping to simply plug in the sdcard into the pi 3. Alas, when I boot the pi 3 with the old sdcard I get the giant rainbow square. On the pi3 there is a red LED that stays lit and the green one is flashing a cycle of 4 long flashes followed by 4 short ones. What is wrong?
Alternatively, if I put a fresh install of raspbian on a new sdcard how can I copy over all my configuration settings from the old one? I am trying to avoid doing all the work again.