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SG200 Firmware update

Hello everyone,

I have a SG200-26 model but I'm having issues updating the firmware image through GUI and TFTP.  I just recently bought this and used it as a regular switch.  Until I wanted to manage certain ports, I found out the GUI was Linksys branded??  So I took a look into the firmware version through telnet, I noticed the firmware was flashed to SRW208P for some odd reason.  I tried to update the firmware through TFTP using the latest .ros file but it says "illegal software format" which I would assume it's because how the linksys firmware version works.  I'm not sure how to recover this switch back to original Cisco firmware but can someone please give me any tips or tricks on how to resolve this issue??

Thanks in advance.

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