Why a Zero Block Does Not Reveal the Pure XOR Mask
Intuitively, one might expect that if we write a block of zeros (all bytes set to 0x00) and read it back, the result should be exactly the XOR mask. However, this is true only in one special case.
Transcend TS480GESD230C USB-C SSD
An external Transcend TS480GESD230C SSD that had suddenly stopped working was received for data recovery. The device uses an ASM235CM USB-to-SATA bridge together with a Silicon Motion SM2258XT SSD controller.
SSD Shows Only Zeros: Is Data Recovery Even Possible?
When a damaged SSD starts showing only zeros in every sector, no conventional data recovery software can help - quite simply, there is no data for it to analyze.