FiiO X5 II Custom Themes Thread
Feb 1, 2016 at 3:56 AM Post #196 of 321
XVortex, cool!

Curious, what small adjustments have you done to the Sys.bin file (how)?

Thanks for bringing more themes to the X5ii. I'll update the second post when I get off of my iPad and I'm at my computer.
 
Feb 3, 2016 at 12:10 AM Post #202 of 321
   
Interesting things. 
 
Too bad I am too afraid to test on my own. I am eagerly awaiting for someone to test this custom firmware.


The only thing I noticed was running media library manual update took a little longer than usual with no indication that it had completed the task. It appeared as though it froze. But, after a bit the X5II prompted me once the update was completed. (But, this could just be the nature of beta FW.)
 
Otherwise I have not encountered other issues.
 
Feb 3, 2016 at 4:21 AM Post #203 of 321
so someone managed to somehow decode sys.bin and casually tells us that he changed a few things in it. i'm at the edge of my seat, @XVortex
 
Feb 3, 2016 at 6:48 AM Post #205 of 321
This tool is able to descramble/scramble the sys.bin file.
Just compile it under linux and run:
./packtools --descramble -i sys.bin -o sys_out.bin
edit sys_out.bin with hex editor then
./packtools --descramble -i sys_out.bin -o sys.bin
to scramble it back.


I've gotten to that point once before, but I didn't know what to do after it. Do you simply edit it with a hex editor, or use other tools to convert it back into a set of files?
 
Feb 3, 2016 at 1:50 PM Post #207 of 321
  sys_out.bin is the MIPS binary file (kernel), loaded into the CPU at 0x80001000.
So you can disassembly it (in IDA Pro for example), determine patch offsets, then patch in HEX editor.
after patching just scramble it back to sys.bin, and build into .fw file as usually.

 
Thank you for the help, I'll see what new modifications I can do.
 
Feb 3, 2016 at 2:06 PM Post #208 of 321
  Hi All.
Here is my theme pack for FiiO X5ii based on TCD1975 X1 themes:
 
Main features (over stock):
- Heavy optimized and high contrast themes graphics
- Tiny size (~10Mb), lightspeed.
(For US/EU/JP only - without Chinese/Thai/Korean font and language)
- Without boot / shutdown animation (fast boot / shutdown speed)
- Supports special USB DAC Driver for PCs (Download);
(All win support, do not require to disable driver signing);
- Other small fixes in sys.bin.
 
  1. Firmware based on stock v1.2 Download.
  2. Firmware based on beta v1.27 Download.
 
Enjoy.


Thanks.
 
Feb 5, 2016 at 10:45 AM Post #209 of 321

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