F133-SDK-dat

bootsel

hold down fel button and press reset to enter into fel mode

插入烧写好的TF卡，使用串口连接，

接入5V供电，如果使用屏幕建议插入TYPE-C线，防止电流不足。

serial-dat - 波特率115200

sudo sunxi-fel -l

Warning: no 'soc_sram_info' data for your SoC (id=1859)
USB device 002:003   Allwinner 0x1859

The tool (e.g. sunxi-fel) does not recognize the SoC with ID 0x1859.
It lacks SRAM layout data (soc_sram_info) for this SoC.
Likely causes:
- Using a new or uncommon Allwinner SoC (e.g., F133, V853).
- Using an outdated version of the tool.