Zkteco — K40 Pro Firmware Download Updated [work]

Some updated versions introduce QR code reading improvements, faster template extraction, or extended log storage management.

Before any firmware update, always back up your user database (fingerprints/passwords) to a USB drive via USB Management → Backup Data . zkteco k40 pro firmware download updated

You follow the instructions provided by ZKTeco to update the firmware on your K40 Pro device. Typically, this involves: faster template extraction