: Look for the Upgrade Firmware option. The device will search the USB disk for the upgrade file and begin the process.
: If provided an update pack, you will likely need to upload it to the terminal using a USB drive . Related Software & Documentation zkteco k40 pro firmware top download
Even with a "top download", you might encounter hiccups. : Look for the Upgrade Firmware option
Your absolute best and safest source for firmware is the official ZKTeco website. Depending on your location, you should visit: ZKTeco Global ZKTeco Europe, USA, or Middle East branches. zkteco k40 pro firmware top download
Navigate to (or USB Management > Upload Firmware ).