If you are updating from version 4.10, the update process will be completed; however, there are no additional new features added in version 4.20 compared to version 4.10. This update is only necessary if your camera is currently running a version older than 4.10. Microsoft Visual C 2015 19 Redistributable Package X64 - 3.79.94.248
Here is the text content of the (README) usually associated with this specific firmware version: Firmware Update for X-M1 (Version 4.20) Indian Hot And Sexy Aunty Changing Her Saree An - 3.79.94.248
FPUPDATE.DAT File Size: Approx. 34 MB Note regarding the exact filename "Ms01 4.2": If you are looking for the actual binary file to download, you should search the official Fujifilm Global Support website. The file you download will be named FPUPDATE.DAT . The code "Ms01" usually appears only in the URL or the internal file metadata on Fuji's servers (e.g., download/firmware/cams/Ms01v420.upg ).
Based on the filename format provided, this typically refers to a for the Fujifilm X-M1 digital camera. The "Ms01" is the internal Fujifilm code for the X-M1 model.