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Edit: seem that this isn't actually new: [You must be registered and logged in to see this link.]. Thanks to [You must be registered and logged in to see this link.].

Discalimer:

- This is simply a tranlation of the tutorial provided by [You must be registered and logged in to see this link.] at [You must be registered and logged in to see this link.] forums. I did not tested it out and hold no responsability for any problems derived from it. Read and test at your own risk.

- I don't support nor condemn copywright infringement (aside commecial one, that I heavilly condemn). I post this for learning reasons. What you do with it is your responsability and your responsability alone.


Also, is [You must be registered and logged in to see this link.] that this process bricks consoles on OFW 2.51.

Now, having that clear, lets get to business:

Required hardware:
- 1x Raspberry Pi;
- 1x 4GB SD card.
- 1x PS4 Flash Serial MX25L25635FMI-10G.

Required software:
- Raspbian;
- Win32 Disk Image;
- Putty.

Pinout (Connection with Raspberry Pi):
Cap.Arcanjohack claims that he will post it soon. (You can check it [You must be registered and logged in to see this link.] from time to time, I'll post it here as soon as I see it). 

Instalation
Install Raspbian.
Run win32diskimage.

1 - In "Image file", select Raspbian image that you've downloaded.
2 - In "Device" select your SD card drive.
3 - Click in "Write" to initiate the writting process.

After finishing, put your SD card on Raspberry Pie and turn it on with a USB cable.

Remote Shell on Raspbian.

Two minutes after starting Raspberry Pi, run Putty.



1 - In Host Name write: raspberrypi
If it doesn't work correctly, check the configurations on your router and find Raspberry Pi's IP.
2 - Select SSH
3 - Select Open

Instaling the application:

It'll require Login, so write "pi" as username and "raspberry" as password.

Enter the following commands:


sudo -s
cd /bin
wget [You must be registered and logged in to see this link.]
chmod +x jaispi
echo "[You must be registered and logged in to see this link.] spi-bcm2708" > /etc/modprobe.d/raspi-blacklist.conf
echo "blacklist i2c-bcm2708" >> /etc/modprobe.d/raspi-blacklist.conf
reboot

Instation complete.Set Putty to access Raspberry Pi. To run the command jaispi, you'll need to ask root access (sudo -s).


# sudo -s
# Jaispi -i / dev/spidev0.0

Options:


-i /dev/spidevX.X -> Gets flash ID
-r file.bin /dev/spidevX.X -> Read all flash from a file
-e /dev/spidevX.X -> Deletes all flash
-p file.bin /dev/spidevX.X -> Writes only the different blocks from a file
-v file.bin /dev/spidevX.X ->verifies the blocks from a file

Getting the ID:
-i: Shows information about the flash.

[You must be registered and logged in to see this link.] -i /dev/spidev0.0
JaiSpi v1.0
ID: 0xC22019 MX25L25635

Reading:
-r: Makes a flash full dump da flash (should take around 35 seconds).

[You must be registered and logged in to see this link.] -r DUMP.bin /dev/spidev0.0
JaiSpi v1.0
ID: 0xC22019 MX25L25635
Reading...
0x02000000
Done!

Deleting:
-e: Wipes all flash (should take around 1minute and 30 seconds).

[You must be registered and logged in to see this link.] -e /dev/spidev0.0
JaiSpi v1.0
ID: 0xC22019 MX25L25635
Erasing blocks...
Done!

Writting:
-p: Writes only the different blocks from a file (Should take around 1minute and 30 seconds).

[You must be registered and logged in to see this link.] -p Base.bin /dev/spidev0.0
JaiSpi v1.0
ID: 0xC22019 MX25L25635
Starting...
0x02000000 -> 8192 Sectors written
Done!

Verify:
-v: Compares the content from flash with the arquivo (should take around 35 seconds).

[You must be registered and logged in to see this link.] -v Base.bin /dev/spidev0.0
JaiSpi v1.0
ID: 0xC22019 MX25L25635
Checking...
0x02000000 -> 0 Different sectors
Done!
Credit to Pustal  



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