Firmware upgrading

I have updated the firmware of my A250 to version 1.13.2 (latest) with the laser head mounted. Now, replacing the laser head with the 3D printing one, I am signaled that the head itself needs to be updated. How should I do? Do I have to repeat the same update I already did (1.13.2)? And do I also have to do it when I put the CNC head on?
Or is there another way to update all three tools head?
Thanks to those who can advise me.

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You need to update the firmware individually for each head. To do so requires you to use the USB stick as trying to do it from WiFi won’t work once you’ve done it once already.

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Thank you very much. I’ll try.