Softbank Phones by Panasonic

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Softbank Panasonic phones fall into two categories. The later, higher end devices are very similar to Docomo Panasonic phones, and are compatible with the same tools. These phones run on a customized form of Linux, and they use the UniPhier set of CPUs.

The earlier models, along with some of the later budget models, run on the APOXI operating system. These phones use CPUs similar to those in Sony Ericsson phones. The APOXI phones are closely related to international Panasonic phones that were released concurrently, such as the Panasonic EB-VS3 and EB-VS7.

Extracting Data

1. ktdumper
2. node-sie-serial

Reading File Systems

1. assemble-jp51
2. c5a3-assemble
3. fs-tools (XSR2)

Reading FAT Images

1. TestDisk
2. TSK-FAT-AutoRecover

Ktdumper is a tool for extracting data from feature phones that are compatible with the Foma debug adapter, which includes all Docomo phones and select SoftBank phones. Please note that ktdumper will not work unless you have the Foma debug adapter.

Ktdumper is compatible with Linux and WSL (Windows System on Linux). It can be used as a command line tool or as a live Linux iso with a GUI.

Ktdumper Command Line

sudo ./ktdumper.sh d904i dump_nand

Instructions for new tool (apoxi-tool)

1. Follow the installation instructions for apoxi-tools. If you are using Windows, you will need the Windows driver for your particular phone model. You can search for these on archive.org.
2. To use this tool, you must put the phone into debug mode. With the battery inserted and charged, press these three keys simultaneously: # + * + Power. Wait a few seconds, and a screen should appear showing various vertical stripes of color. When the phone is connected to the PC in this mode, you generally will not need to specify the port with the “-p PORT” argument
3. Use the following command to dump all parts of the phone into a folder titled OUTPUT_DIR

   apoxi-tool read-all-memory -o OUTPUT_DIR

4. Note: if you are only looking for games, you will only need to extract the FLASH region

   apoxi-tool read-memory -n FLASH

Instructions for old tool (node-sie-serial)

1. To use this tool, you must put the phone into debug mode. With the battery inserted and charged, press these three keys simultaneously: # + * + Power. Wait a few seconds, and a screen should appear showing various vertical stripes of color.
2. Download the node-sie-serial repository from GitHub
3. Install the package with the following command

   npm i @sie-js/serial

4. (Only needed once) Update with the following command

   pnpm i #

5. Extract data with the following command

   npx tsx examples/dwd-apoxi-memory-dump.js --addr 0xA0000000 --size 0x8000000 --out output.bin

   This will place the data dump into the repository's folder on your PC as output.bin.

1. Download assemble_jp51.py from the various-keitai-assemble project
2. Use the following command

   python assemble_jp51.py <file>.bin output_dir

Example

python assemble_jp51.py J-P51_M6MGT641S8TP-f.bin output_dir

1. Download c5a3-assemble from GitHub
2. Check for your phone model in the read me, and update the arguments to the command below based on your phone model and the file you exported. If you used the apoxi-tool to dump all memory regions, you will specifically need the FLASH region.

   python extract_p.py [phone specific argument] [output.bin file from sie-node-serial] [output folder]

Example for 705P, extracts data from output.bin and puts it into a folder called output

python extract_p.py -s 1 -w 1 DRV_VENUSU_NBG_16.06.00-FLASH-A0000000_04000000.bin output

1. Download assemble_xsr2.py from Github
2. IF onenand is split into onenand_a and onenand_b, combine the bin files and the oob files
3. Use the following command

   python .\assemble_xsr2.py onenand.bin output_dir

4. In the output directory, select the largest partition and use TestDisk

NOTE: If TestDisk says that the partition(s) can't be recovered, try [UNDELETE] instead of Analyze.

TestDisk can be used on either Windows or Linux. It is available for download here. Once you have downloaded TestDisk, use the program to open your current .bin file.

1. When you open a .bin file with TestDisk, you will have the option to select a media. There should only be

   >Disk <your file>

   Press enter to proceed.

2. When asked to select a partition table type, select None

   [None ] Non partitioned media

3. On the following page, press q to quit or select

   [ quit ]

4. In the new menu, move up the menu and select

   [ Analyse ]

5. Press enter to continue with

   [Quick Search]

6. You should now see a partition labeled with a file system like FAT16 or FAT32. Don’t press ENTER. Instead, press p to list files.
7. Press a to select all files.
8. Press C (note the capitalization and hold the shift button!) to copy the selected files.
9. Choose the output folder. Press C when the folder is correct.

You should now have all the extracted files.

Note: For select devices (such as F905i and D905i), you need to select None → Undelete rather than the usual TestDisk procedure.

TSK-FAT-AutoRecover is a wrapper tool for FAT extraction and recovery using The Sleuth Kit. The Sleuth Kit® is a collection of command line tools and a C library that allows you to analyze disk images and recover files from them. Using TSK-FAT-AutoRecover, it is occasionally possible to recover files that are not recovered properly from TestDisk.

TSK-FAT-AutoRecover works on either Windows or Linux (it is also compatible with WSL). Follow the installation instructions to install the tool.

After the tool is installed, you can use it to recover files from binary dumps with the following command:

python extract_fat.py image.bin

Replace image.bin with whatever FAT image you are trying to extract (nand.bin, onenand.bin, etc.)