Newest MB SD C4 Plus Firmware Update Guide Without Battery

How to reflash MB SD C4 Plus without battery? You can edit Toolkit.ini to change the value of MinUpdateVoltageVbatt and MinUpdateVoltageVExt, and update the related files.

Step 1: Change MinUpdateVoltageVbatt/VExt Value
Right click the corresponding icon
Select 'Goto BIN directory'

Then right click 'Toolkit.ini' and select 'Editwith Notepad++'

You can see MinUpdateVoltageVbatt=7200 and MinUpdateVoltageVExt=11000.
Change these two values to 0
i.e MinUpdateVoltageVbatt=0
MinUpdateVoltageVExt=0

Remember to reboot the computer after changing.

Open 'Administration'

It shows 'the toolkit is being initialized.'

Step 2: Update 02 CSD_2_11.zip
Click 01/Cable Accessible>> Software update>> 02 CSD_2_11.zip>> Start
It will take approx 2 min to update the software.
The indicators light up during the process.
Update SDconnect software successfully

Step 3: Update 01_Bootimage_2_3.zip
Click 01/Cable Accessible>> Software update>> 01_Bootimage_2_3.zip>> Start
It also takes approx 2 min to update.

Step 4: Update 03_PmPic29_Cpld13.zip
Click 01/Cable Accessible>> Software update>> 03_PmPic29_Cpld13.zip>> Start
It also takes approx 2 min to update.