Ok, after doing more tests the issue was the boot switch on the board. It must be switched to boot from SD/eMMC and not SPI (BIOS). Then reboot works fine.

ha extension is not a part of the framework. Copy from here https://github.com/armbian/os/tree/main/userpatches/extensions

If you’re thinking about running Armbian on the OnePlus 8T, basic functionality like calls, SMS, and mobile data will really depend on how well the device drivers are supported in the current build. From what most community discussions suggest, Wi-Fi and some hardware features may work, but cellular, camera, and other components can still be hit-or-miss compared to more mature options like Sailfish OS or Ubuntu Touch on officially supported devices. It’s a good idea to check active developer threads and user reports before installing.

Hi @maxsub, two annotations. Firstly, it's not the Wifi driver but the firmware. Thus echo "options bcmdhd firmware_path=brcm/ nvram_path=brcm/" > /etc/modprobe.d/orangepirv2.conf will get you going. And secondly no, there is no GPU change currently. GPU not working in "current" but may work with dirty tricks using "legacy". That's why it may pay to do some maintenance on the ancient 6.6 kernel.

Hello, I'm getting an error when building the kernel.