Steps to dump Unisoc/Spreadtrum firmware using Cheetah Tool Pro
Launch Cheetah Tool pro and click the Spreadtrum tab
Select your brand and model from the list
If you can't find your model on the list then Choose Spreadtrum for Brand and your chipset for Model
Click the button in front of Readback Save Path and choose the folder to save the backup files
Click Select Folder
Click "Identify" in Cheetah
Power off and connect the device. It is the volume decrease button for some devices, the volume decrease + power buttons for some and test points for some. The device should be detected
Click the Back button once it's clickable
Tick the partitions you wish to backup
Click Read
Wait while the backup is done
The device should get rebooted once backup is complete
Important Notice
Avoid interrupting the backup process
if the device becomes unresponsive/dead then take out/disconnect and reinsert/reconnect the battery