it's hardware fault sorry...
Seems that psp 200x suffer from motherboard deformation and some bga joint uder CPU or GPU gives problems (yes, like PS3 :( ).
Solution is reballing, but sometimes even a reballing won't fix the issue because some vias under the chip will broke too...
A quick and...
She's abbandoned because asked for money to release the patch, not donations (which is something different).
Here, rightly for obvious reasons, it is forbidden. But on his blog she can do whatever she wants.