ATTENTION!!! Old SD C4 serial # 101044 cannot work with software version from 03/2020
ATTENTION!!!
Old SD C4 serial # 101044 cannot with software version from 03/2020, otherwise, the SD C4 will be locked and needs to be sent back to the factory to unlock it.
It can only work with the software before 12/2019 includes 12/2019 version.
