Z1: Is the mower still workable while upgrading its firmware? Jay Chen 08 April 2026 09:25 Updated Answer: No, the device cannot be used during the firmware upgrade process. Related articles Z1: How many mowing zones/areas can I map for my mower? Is there a limitation on the number of NO-GO Zones ? Z1: How to capture and send you the product info of my mower in order to troubleshoot issues I encountered?