PSR I455 operating system file required.

[smarttechs]

Psr i455 keyboard , when powered on , shows only “ YAMAHA” message, on power on.
When powered on with start button pressed goes to OS UPDATE MODE. If anyone has firmware ( operating system ) file in PRJ format, please post here . Needed urgently.

 

[Deepak Bhopatkar]

Psr i455 keyboard , when powered on , shows only “ YAMAHA” message, on power on.
When powered on with start button pressed goes to OS UPDATE MODE. If anyone has firmware ( operating system ) file in PRJ format, please post here . Needed urgently.

Did you get PSR-i455 firmware? If yes, can you please give it to me? I suspect my i455 has some system corruption.

 

[Julia Luciana]

Ritmo do teclado forro boys e463 grátis

 

[smarttechs]

I did not get any firmware file or any solution for i455 .. status unchanged .. It’s surprising that local Yamaha service centre dos not give any support for old keyboeards like i425 , i455 .

 

[smarttechs]

Did you get PSR-i455 firmware? If yes, can you please give it to me? I suspect my i455 has some system corruption.

What is the issue with your i455 ?