Before proceeding with any formatting tool, it is crucial to verify the hardware internals, as external casing labels can be misleading.
The Phison controller uses static wear leveling and handles bad block management at firmware level. A “full format” in Windows issues TRIM-like commands (via UASP) if supported, but USB 3.0 often lacks UASP on older hosts. Without TRIM, performance degrades after many writes. formatter silicon power v3700 ps2251162 2021
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Do not use generic USB format tools — they won’t fix firmware issues. Risks: permanent bricking, loss of warranty, total data