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S1fwx 3.0是S1mp3小组既2.6版本推出的最新炬力固件提取工具，与2.6版本相比有以下优点：
1、操作简单方面，简化固件提取步骤
2、解决2.6版本有些MP3不能正确识别的BUG
3、增加了手动扫描MP3所在盘符功能
4、对MP3固件中的AFI文件提取的更完整
s1fwx (s1 firmware extractor) is a free commandline tool (public domain) which lets you extract the original firmware from your s1 mp3 player device. additional futures support operations on the firmware files like decrypt, extract and archive. this way you could investigate all the files included in any fw file, change their content and put them back together.
There are two known archive formats:
- AFI: this archives include files needed to flash the device, a minimal set may consist of an BRECFxxx.BIN (the bootloader) and a FWIMAGE.FW file (see below)
- FW/FWI: firmware image files include all firmware files needed during runtime
Commandline usage:
usage:
s1fwx {i|x|s|a|l|f|r} {filename{:[afi|fw|enc]}}
examples:
display file info s1fwx i fname.ext
extract firmware file s1fwx x fname.ext
generate script from file s1fwx s fname.ext > new.script
create firmware file by script s1fwx a new.fw:fw < def_fw.script
create afi file by script s1fwx a new.bin:afi < def_afi.script
list entire content of any file s1fwx l *.bin
extract firmware from player s1fwx f dump.bin
repair dumped firmware files s1fwx r dump.bin
| Release Notes |
| v3.0 |
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no known bugs left since v2.6, but additional information gets extracted from your players firmware! maybe this data gets important if you need to recover!
NOTE: you may need admin-rights to extract firmware from your player!
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| v2.6 |
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all known bugs removed, upload archived files should be possible!
added new script command "DATE"
removed some bugs inside archive function
flash-read autodetects firmware size, no buffer-overruns anymore
fixed checksum generator
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| v2.5 |
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major changes to the archive function, now it uses scripts
there is still some bug left, dont try to upload archived FW files! (achive AFI works)
commandline options changed, now its no more case sensitive
fixed a small bug in the firmware flash extractor caused by some devices
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| HowTo: Extract and Repair Firmware | Extracting your players firmware is a very good idea just to create a backup of the original firmware files. It's no promise that you could always backup your player after some bad firmare update, but at least you have some more possibilities. First download newest version of s1fwx from this page and extract the archive. Then connect your mp3 player device to your computers usb port and wait until it gets detected. Now doubleclick the extracted file "extract.bat" or run "s1fwx f dump.bin" from the windows commandline console. Skip the disclaimer by pressing space and select the drive your player gets mounted to. (eg. if detected drives displays "<x>" then choose drive "x:" by pressing x) Now s1fwx should start extracting your firmware, this may take arround 10 seconds. If all went well and no error gets displayed it will display the content of the extracted firmware file as it was readden from your player.
Before you could update your player with this firmware file using the original "Mp3 Player Update Tool" you will first have to repair it. Start "repair.bat" or type "s1fwx r dump.bin". A backup will be saved at "dump.bi$" automatically and the repaired file is now available as "dump.bin". Notice that its not possible to do a firmware recovery with this file (only regular firmware updates) since there are missing files needed by the "Mp3 Player Update Tool" recovery mode. Since this files couldnt be found on your player you will need to get them from some official firmware file which is known to work with your players hardware. Either you first could recover to this firmware before updateing to "dump.bin", or you could insert the needed files from the original AFI file into "dump.bin" using s1fwx. The original firmware has to support your flash chip(s). It doesnt matters if its just using different backlight or key-mapping.
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| HowTo: Extract Firmware Files | Here some example how to extract the whole content of the AFI file "firmware.bin". Place firmware and s1fwx in one folder, open commandline console (run "cmd") and go to the folder containing the files. To extract the AFI type "s1fwx x firmware.bin". Then make a sub- folder "md fw", change "cd fw" and extract the firmware files using "../s1fwx x ../fwimage.fw". Now you should have extracted all the files usually included in some general firmware file.
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| HowTo: Archive Firmware Files | To modify files in a firmware you will have to extract, modify and then archive the files back together to one AFI file. First generate the script from the firmware file "firmware.bin" using "s1fwx s firmware.bin >firmware.bin.script". Then extract the files and modify their content if you want. if you want to add or remove files or change file specific parameters edit the generated script using an usual text editor (i think the syntax is self explaining). To archive the files back together type "s1fwx a new_firmware.bin:afi <firmware.bin.script ".
This could also be used to archive firmware files like "fwimage.fw". In this case use "s1fwx a fwimage.fw:fw <fwimage.fw.script".
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| HowTo: Recover To Extracted Firmware Files | Flashing your player with an extracted firmware file is a very simple procedure, just take care you repaired the extracted file (see above) and use the latest "MP3 Update Tool" available at the download section.
This works good until the day we flash our player with some partial corrupted firmware (a total corrupted firmware will damage the player permanently) and the update tool tells something about recovery mode and just opens an open-dialog. (maybe you will have to open your player and short some pins to get to this point, read the forum for further instructions)
If you select an extracted firmware file now, it just displays "Invalid upgrade firmware file". This isnt a bug of s1fwx! The problem is that recovering needs some extra files included inside our AFI-file that isnt needed for simple flashing. This files couldnt be found on the players flash, the only source is to look for them inside some original firmware files.
There are two methods to solve this problem and each of them expects you could find some original firmware file which is compatible to your players hardware and extracted firmware.
[Method 1]
- recover using some official firmware
- format the player (with the "MP3 Player Disk Tool")
- finally update to the extracted firmware file
[Method 2]
- extract the extracted and the official firmware file using s1fwx (only the AFI part)
- generate a script for both files ("s1fwx s dump.bin >dump.script")
- merge the scripts to some new script file using a text editor
- build a firmware using the new script ("s1fwx a new.bin:afi <new.script")
Both methods should have the same effect, give it a try!
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