評論
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Hello I need an earlier firmware too, I upgraded some switches to V4.50(AAOA.3) for a GS1920-48HP (v1) last month and now ZON is unable to communicate with them. The other switches on firmware V4.50(AAOA.2) work just fine with ZON still, can you let me have a link for V4.50(AAOA.2) please? Martin
