Unable to DL : MBSEQ_HW.V4.r1864

Currently I have the latest firmware V4.079 (searching for SD card) operating on my SEQV4 but have now added the SD card reader and went to DL MBSEQ_HW.V4.r1864 based on Wilba’s front panel and get the follow mssg…Unable to open file: MBSEQ_HW.V4.r1864

 

Trying to remeber from stereoSID days I copied the file to notepad and gave it a .hex extension but MIOS is giving an error: No Blocks Found…

 

Is there another location to get this file…

 

Thanks…