thanks for ur reply i used for 1 year . it was working fine. i used blackhole image 1.7.0 it was working fine suddenly happend like that. the box allowed third party image before.
thank you for ur reply i tried bootloder its said finised and reboot come on vfd screen. when i put original image its working fine 4.3 verson. its not allowed to install after new verson.
Find content
Not Telling
Display name history
