The final suffix confirms as the manufacturer. This helps distinguish the firmware from identical-looking builds used by OEM partners (e.g., 'cn' for China-only, 'us' for USA).
If you’ve recently checked for updates on your networking device or noticed a new version string in your system logs, you may have come across the identifier: firmware version 3160 091 v60310 build 210407 rel7370n tl
: The build code "210407" indicates this version was released on April 7, 2021 . The final suffix confirms as the manufacturer
This perfectly match common TP-Link public firmware names (e.g., Archer AX50 v1_210407 ). It may be: 'cn' for China-only