DMP-BD83/833/903/93, DMP-BDT165/166 Firmware Download
From the pull-down menu, select the region where you purchased the Panasonic Blu-ray Disc™ Player.
Please make sure that the region is set correctly before you proceed to the download process.
Regarding the firmware of DMP-BD903P
There are two types of BD903P: one produced before 2023 and the other produced after 2024, and Firmware is also individual.
You can know which type your BD903P is from the serial number sticker on the rear panel. If (A) mark is on the serial sticker like right figure, your BD903P is a model produced after 2024.

Casa 1. models before 2023
Please choose the “North America/Latin America” at the Select Region then forward next steps.
Casa 2. models after 2024 with (A) mark
Please choose the “United States (2024-)” at the Select Region then forward next steps.