3330 and 8210 problem

[jabranali]

okay so when i upgrade my 3330 to 3350 i flash it with mcu+ppm joined together but the it did not turn on why is that? so i had to put 3330 soft back in.
2. when i flash my 8210 to 8250 it always say contact service and chsum are good when i flash back to 8210 it work. why is that also?

[leorick]

8210 to 8250, did u check the rom type (5 or 6)?

[jabranali]

yeah it is rom 6

[sergo_zmeia]

Hi!
Somewhere in 8xxx series forum is a post "8210 to 8250 proven ok" try find it...there is some tips about the converting...and always update FAID after flashing /keep that in mind/...
Regards!
Sergo_Zmeia