Thank you very much, it worked !!

Thank you for advice. ;) I went into the System Update menu in the parameters and I downloaded and installed the last VollaOS 14.0 release of March 2, 2025. Unfortunately, when I rebooted my phone after the update, VollaOS ran into a bootloop for two or three boots, and then, it rebooted on VollaOS ...

Thank you very much for the clear tutorial. :mrgreen: I followed the steps, and for each one I got an exactly identical screen as in the tutorial. However, when I rebooted and I chose Ubuntu Touch, the screen, went black, then grey, then black again, and I finally got a orange screen for maybe 0.5s ...

I have a Volla Phone 22 with Volla OS 13, and I tried multiple times to install UT as a second OS on my SD card with the Volla Boot Manager, but the first time UT went into a boot loop, and the second time ( I put a bigger SD card, because the old one was a little bit less than 32Go ), it failed to ...