1st OPTION: For downgrade using any of the devices listed below, go here for instructions and here for the downgrade files.
PSGrade compatible USB devices:
- AT90USBKEY
- ATAVRUSBRF01
- AVRKEY
- Bentio
- Blackcat
- JMDBU2
- Maximus
- Minimus 32
- Minimus v1
- Olimex
- OpenKubus
- PS2CHIPER
- Teensy 1.0
- Teensy 2.0
- Teensy++ 1.0
- Teensy++ 2.0
- UDIP8
- UDIP16
- USBTINYMKII
- XPLAIN
2nd OPTION: For downgrade instructions using any compatible AT90USB162 board, go here: AT90USB162 board
3rd OPTION: For downgrade instructions using selected Android phones, go here: Android phones
4th OPTION: For downgrade instructions using the an iPhone or iPod touch, go here: iPhone / iPod touch
5th OPTION: For downgrade instructions using the E3 Card Reader device, go here: E3 Card Reader
6th OPTION: For downgrade instructions using PSJailbreak, go here: PSJailbreak
7th OPTION: For downgrade instructions using PS3break v1.1 and v1.2, go here: PS3break v1.1 and v1.2
8th OPTION: For downgrade instructions using either a TI-84 Plus or TI-89 Titanium calculator, go here: TI-84 Plus or TI-89 Titanium calculator
9th OPTION: For downgrade instructions using the ecliPS3 USB device go here: ecliPS3 USB device
10th OPTION: For downgrade instructions using the X3Max USB device go here: X3Max USB device