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What is the size limit for Zigbee MCU OTA firmware?

Last Updated on：2023-09-11 07:32:09

The size of MCU OTA firmware is mainly limited by the gateway's capability. The wireless small gateway has a relatively small data cache area, theoretically around 512k, but the cache area is also used to store local scenes and other sub-device information, so the specific size is uncertain. Generally, the wireless small gateway is around 200k, and if it is a wired gateway, around 500k is no problem.