REPORT: OPCOM FIRMWARE VERSION 1.99 (HEX FILE ANALYSIS)
Hardware Differences: Most 1.99 interfaces use a PIC18F45K80 chip rather than the original PIC18F458.
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Fake Versioning: In many cases, "1.99" is simply a modified bootloader string meant to make the device appear newer than it actually is. It often functions similarly to older versions like 1.45. The "Brick" Risk: Why You Shouldn't Flash It