C800-universalk9-mz.spa.158-3.m9.bin !!top!! ✮ 〈PREMIUM〉

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Before installing the new image, back up your current environment: : copy running-config tftp: C800-universalk9-mz.spa.158-3.m9.bin

Always verify your specific hardware model, check the MD5 checksum, and follow a conservative change control process. With proper planning, this IOS version will serve your network reliably for years to come. show license show version | include License Before