https://www.youtube.com/watch?v=Qn2Z8bYr3tE
Although the Datel Blue Tool boots your PSP 300 into service mode, it’s not a real service mode that let’s you install and run homebrew. This latest TIFF Exploit, however, is one step closer.
https://gizmodo.com/datel-lite-blue-tool-hacks-the-psp-3000-with-a-battery-5092898
The video above shows (turn the sound off if you’re at work) shows developers “Davee” and “Bubbletune” using a TIFF exploit on 5.03 firmware, placing the PSP into the correct state that it can eventually run custom homebrew apps. It’s not quite finished, but it should be close now. [Slashdot via Technabob]
Update: Nevermind! Looks like Chickhen, the homebrew enabler, is available now. Thanks karltpb.