Successful liberated brand new MSO5072. Without any recovery mode downgrades. With local upgrade only.
Firmware installed from store:
FW 0A.01.03.00.01
HW 01.01.000
Boot 2018.06.27
Build 2021-05-04 15:50:32
My actions step-by-step:1. Download official FW v00.01.03.00.01. Found on Russian Rigol site (registration required):
https://ru.rigol.com/En/Index/listView/catid/28/tp/6/cat/7/xl/24Google drive mirror:
https://drive.google.com/file/d/1wsz9O9EJmQxzGSD-pm-yF06vw2qoJkRa/view?usp=sharing2. Prepare USB Disk. I have very old 2Gb flash. Formatted with MiniTool Partition Wizard as FAT32 Primary partition
3. Extract downloaded files to any folder on PC.
4. Copy DS5000Update.GEL file to fresh formatted USB Flash
5. Power on MSO and plug in flash drive.
6. Select local upgrade (press Utility->System->Help->Local upgrade). Confirm upgrade. (there were no errors or warnings about version mismatch)
After upgrade is complete reboot MSO. Now MSO have FW 00.01.03.00.01 and Build 2020-03-30 15:56:36
Then go to:https://www.eevblog.com/forum/testgear/hacking-the-rigol-mso5000-series-oscilloscopes/msg3105598/#msg3105598And follow instructions
from STEP 2.After all operations MSO must be recalibrated. Recalibrate instructions can be found in MSO5000 Upgrade Instructions file comes with downloaded firmware.
Note:After patch I had black screen for 15-20 second (maybe little longer and I pressed Menu key few times in panic))). Just little patience an all will back to screen.