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BugZero found this defect 130 days ago.
For MG51/51E, Applying this firmware will upgrade the firmware of the Modem. This upgrade begins automatically after the MG has finished upgrading to MG 3.201. This upgrade will require 250 MB of data and up to 20 minutes (depending on bandwidth) to complete if uninterrupted. Please contact Meraki Support if you have any additional questions or require assistance.