Unverified50% confidenceCautionExact time
若使用 J-Link 等调试器全片烧录时未指定正确起始偏移，会覆盖擦除 Bootloader，导致无法再通过 UF2 拖拽方式更新固件
1
Sources
50%
Confidence
Long-term
Relevance
7/21/2026
First Seen
Sources
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