After have updated my Vollaphone 22 to Android 12.1, the VollaOS interface became unusable. It appears a white display that continues to switch to itself (pics attached)
I sent an e-mail to the service team that opened a ticket, but no answer till now.
Did anyone got the same issue?

Can't update also, but before that I couldn't change from stable channel to RC release Candidate or Dev. Edit: yes, a few ones. Still, I bricked it. adb is out of reach and the phone doesn't boot into UT. Hi, I received back my Volla22 from service because I was not able to install UT. Now the dual...

Hi all, received the Vollaphone22 with dual boot. With UT I'm facing many problems. First of all I note that now UT is set on 'Stable' channel. The problem: although I selected 2G/3G/4G the phone is not able to use 4G. It shows always 3G and the connection is 'slow'. If I switch to VollaOS, it works...

Hi all, I already have a Vollphone and I decided to buy a Volla22 for the dual boot. I had to send it back because I was not able to install UT. The service solved it very quickly. Now I'm facing other issues and one is the slot1. I have to move the sim on slot 2. A question: which version of UT is ...