[merbanan]

I never got a clip-on adapter working on later generation Broadcom devices. On previous ones I shorted the cs-pin to make the nand chip disappear from the SoC. Then you could flash the chip.

[monocasa]

Were you trying to flash while the device was on?

[merbanan]

Yes, the clip-on adapter could not power the chip in-circuit. So I use the power from the board. As I said this worked fine on some boards but not others.

[monocasa]

I would see what's wrong with your clip. They're supposed to provide power.