Tiene toda la pinta de no poder leer ISOs.

Según Official OPPO BDP-93 Owner's Thread

Esta versión ya no lee ISO's:

Release date: March 06, 2012.
Category: Latest Official Release
Main Version: BDP9x-65-0302
Loader Version: CN0900
Sub Version: MCU93-09-0218 (BDP-93), MCU95-08-0218 (BDP-95)
1. Per the request from the studios, the ISO file playback function has been removed in this firmware version. The previous firmware had the ability to play ISO files, but it was an undocumented function and was never officially announced or supported. Future firmware version will no longer support ISO playback.

Y la que lleva (posterior):
Release date: April 23, 2012
Category: Latest Official Release
Main Version: BDP9x-66-0413
Loader Version: CN0900
Sub Version: MCU93-09-0218 (BDP-93), MCU95-08-0218 (BDP-95)