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 3.211. 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.
Bug fixes
Fixed an issue that resulted in the Status Light of MG52/52E appearing off despite the device being powered on and connected
Fixed an issue that caused SIMs to show up as 'Not inserted' even when a SIM is present
Added Additional AT&T APNs for 5G
Known issues
MG21 Unable to set MTU
MG Frequent Reboot with "boot_count" Reason
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