d.tzonedigital.com - /f/firmware/TT19EX/V3.4test/

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  2026/2/5    16:05       221205 TT19C_Li_A7670_Mul_HTTP_Standard_V3.4.dfu
  2026/2/5    16:05       222541 TT19C_Li_A7670_Mul_MQTT_Standard_V3.4.dfu
  2026/2/5    16:05       212765 TT19C_Li_A7670_Mul_TCP_Standard_V3.4.dfu