is the identifier for a USB bootloader mode found in devices—primarily gaming controllers—that utilize microchips from Jieli (ZhuHai Jieli Technology) .
Based on the filename , this appears to be a system firmware file (specifically a U-Boot bootloader) rather than a consumer product you can buy or a game you can play. br23uboot1.00
: A specific physical button combination (e.g., holding L1+R1 while plugging in USB) forces the device into the BR23UBOOT1.00 Host Recognition is the identifier for a USB bootloader mode
Since the PC sees the device as a storage drive, you must provide the correct firmware binary to "revive" it. On PS4 controllers, some users find that unplugging
On PS4 controllers, some users find that unplugging the internal battery and then reconnecting it (while using a wired USB connection to the PC) can bypass the bootloader loop. :