Dont join this peaktogoo's telegram. They more prefere to block you and can not give you a solution even..
He is also a lier , told people that there is no kernel's source is available for this device but it is in github.
clearly , dont flash any thing from him.
If you flash twrp developed by him, you can not reboot into recovery from recovery.
Genom kernel is patched kernel and not a developed with full sources.
He even doesnt want to give you answer rather he makes your bad english's jokes and doesnt know the exact reason of problem that you are facing to. He will block you if he doesnt know the answer with blaming you that you are fool.
He is that person who says that floor is bad to dance.