: Likely the hardware model number (WS-1022 or a variation).
: Adding support for newer Bluetooth protocols or improving audio processing.
: This indicates it is the third piece of a split archive. To successfully extract the contents, you must have all parts (e.g., part1, part2, and part3) in the same folder. Common Usage Archives like this are typically used for: WSTER1022H2-MW.part3.rar
: Fixing "bricked" devices that won't power on or connect to Bluetooth.
: Right-click on part1.rar and select "Extract Here." The software will automatically pull data from part3 and other associated segments to recreate the full file. : Likely the hardware model number (WS-1022 or a variation)
: These files are usually loaded onto the device via a MicroSD card or by connecting the device to a PC and using a flashing tool like the Actions Flash Player or similar chipset-specific utilities.
: Reinstalling the original operating environment for the internal chipset. How to Use To successfully extract the contents, you must have
The file is a specific segment of a multi-part compressed archive. Based on the naming convention, it is associated with firmware or software for WSTER branded electronic products—most commonly portable Bluetooth "karaoke" microphones or speaker systems. Core Components