volla-phone
There are 2 repositories under volla-phone topic.
Android-Boot-Manager/droidboot_device_volla_yggdrasil
lk-based DroidBoot for Volla Phone that replaces the bootloader 📲
JamiKettunen/android_kernel_volla_mt6763
Volla Phone's 4.4 Android (9) kernel source with linux-stable merged in