flashing procedure / unbricking

[yassine246]

Hi Daniel,
Thank you for your effort on beken7252-opencam
Could please share (on few lines) the procedure to unbrick a BK7252 ?
I've erased accidentally the chip so no logs are visible in the serial console anymore

[daniel-dona]

Hi @yassine246 i'm working on a tool that makes this easier. There are a couple of methods to flash the internal memory of the BK7252, but if it's "bricked" the only one that will work is the SPI flashing method.

You'll need to locate the SPI/JTAG pins and have some SPI interface that can be used to flash the memory chip. I'll get back with more detailed information, for the moment if you can take some pictures of the PCB from both sides I can check if it's easy to locate/solder the required wires.

[Alvid81]

Ltchiptool (python version) + ft232r already confirmed and working variant for unbricking erased bootloader.