Download and install the Jieli USB driver pack so your operating system can properly route commands to the bootloader.
This alone will not fix the controller, but it is a necessary cleanup step after performing Method 1, 2, or 3 to ensure Windows recognizes the recovered controller correctly. br23uboot1.00
: GameSir G7, GameSir Kaleid K1, 8BitDo Ultimate Bluetooth Controller, and generic/clone DualShock 4 controllers. Wireless Accessories : 2.4GHz USB dongles and CRKD Multi-Platform Guitars. Audio Equipment Download and install the Jieli USB driver pack