1.9. Error code 0x44
Returned by the box’s firmware if attempted target HALT operation failed.
Check target device connection. In case You're trying to access device based on MSM8255/MSM8655 CPU, this error can be caused by CPU fuses. In case that there is no boot device present, or DBL (FSBL) partition is damaged, fused devices will return this error.
Example - HTC phones with damaged eMMC.