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Hi, I have two external drives:
A BDR-XS07

Drive Information
Manufacturer: PIONEER
Product: BD-RW BDR-XS07
Revision: 1.01
Serial number:
Firmware date: 2020-09-03
Bus encryption flags: 13
Highest AACS version: 81

LibreDrive Information
Status: Enabled
Drive platform: RS8E20
Firmware name: PIONEER BDR-BDS7
Firmware type: Original (unpatched)
Firmware version: 1.01
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes

And a BDR-212V

Drive Information
OS device name: H:
Manufacturer: PIONEER
Product: BD-RW BDR-212V
Revision: 1.02
Serial number:
Firmware date: 2022-05-31
Bus encryption flags: 13
Highest AACS version: 81

LibreDrive Information
Status: Possible, not yet enabled
Drive platform: Pioneer RS8F00
Firmware version: ID06

Is it possible to flash these drives to read UHD?

Thanks!

yes email me i have a pioneer auto flasher.