KC868-A16 rev.1.6 update problem

[simpl3x]

hi. try to update new device KC868-A16
   

but have error after 15 sec from start
   

Code:

test offset :  0 0x0
case ok
.
Uploading stub...
Running stub...
Stub running...
FLASH_CRYPT_CNT 0
ABS_DONE_0 False
Compressed 2081424 bytes to 792650...
[2025-04-02 12:57:04,480][ESP8266Loader_spi[1]][espDownloader.py][line:606][ERROR]: ESP32 Chip flash download error esp_write_flash.

[admin]

take a photo of your PCB. need to see how you wire.

[simpl3x]

take a photo of your PCB. need to see how you wire.

like that
   

[admin]

when download firmware, remove your RF433M receiver from PCB will be ok.

[simpl3x]

thank you. update success!