Do this. The recovery is attached to the quoted post
If you want the NAND-AID send me your adress in a PN
It's still work in progress and the SLC dumper still has problems. it will be integrated in Garys menu once it is ready.
You should try to get OTP and SEEPROM first. without them we can't analyze a dump you did in hardware. Maybe try it blind in garys menu.
Here is a updated version of my dumper, which should give indication on the power led. After booting it just press power once. After half a minute or so the power LED should start flashing yellow.
If you want the NAND-AID send me your adress in a PN