Here is "KCS" firmware for KinCony KC868-A series (ESP32) board.
How to download and use, online guide: https://www.kincony.com/kcs-firmware-esp32-board.html
KC868_A4_V1.0.10.zip (Size: 702.6 KB / Downloads: 603)
KC868_A6_V1.0.10.zip (Size: 708.37 KB / Downloads: 322)
KC868_A8_V1.0.10.zip (Size: 711.38 KB / Downloads: 367)
KC868_A8S_V1.0.10.zip (Size: 718.64 KB / Downloads: 326)
KC868_A16_V1.0.10.zip (Size: 718.88 KB / Downloads: 351)
KC868_A32_V1.0.10.zip (Size: 718.94 KB / Downloads: 460)
KC868_A64_V1.0.10.zip (Size: 718.9 KB / Downloads: 281)
KC868_A128_V1.0.10.zip (Size: 718.99 KB / Downloads: 247)
KC868_AI_V1.0.10.zip (Size: 713.21 KB / Downloads: 232)
KC868_AK_V1.0.10.zip (Size: 702.44 KB / Downloads: 234)
KC868_E16S_V1.0.10.zip (Size: 718.88 KB / Downloads: 360)
How to download and use, online guide: https://www.kincony.com/kcs-firmware-esp32-board.html
KC868_A4_V1.0.10.zip (Size: 702.6 KB / Downloads: 603)
KC868_A6_V1.0.10.zip (Size: 708.37 KB / Downloads: 322)
KC868_A8_V1.0.10.zip (Size: 711.38 KB / Downloads: 367)
KC868_A8S_V1.0.10.zip (Size: 718.64 KB / Downloads: 326)
KC868_A16_V1.0.10.zip (Size: 718.88 KB / Downloads: 351)
KC868_A32_V1.0.10.zip (Size: 718.94 KB / Downloads: 460)
KC868_A64_V1.0.10.zip (Size: 718.9 KB / Downloads: 281)
KC868_A128_V1.0.10.zip (Size: 718.99 KB / Downloads: 247)
KC868_AI_V1.0.10.zip (Size: 713.21 KB / Downloads: 232)
KC868_AK_V1.0.10.zip (Size: 702.44 KB / Downloads: 234)
KC868_E16S_V1.0.10.zip (Size: 718.88 KB / Downloads: 360)