Archos79neon

De JoN@an
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Architecture

  • RK3188T
  • RAM 1GB
  • Flash 8GB
  • WiFi 2.4GHz
  • Android 4.2.2 (20140212)

Root

WIP

  • attempt 1: adb fail (both adb shell (id=shell not root) and adb root)
  • attempt 2: apply superuser.zip as update.zip fail (not recongnized as an update)
  • attempt 3: dump rom/modify/reflash (WIP)

Recovery

Start recovery mode manually: ?
adb reboot recovery ;)
recovery functions: apply update.zip reboot/wipe

Flash tool

Download mode: Power & vol +
RK batch tool 1.7 : working
ROM_Flash_Tool_21 :working => usefull to dump NAND

adb

windows 7: working (drivers?!)
adb shell => shell not root
adb root => adbd cannot run as root in production builds

Dumping NAND

source: Freaktab
parameter file (NAND split)

FIRMWARE_VER:1.0.17
MACHINE_MODEL:Archos 79 Neon
MACHINE_ID:007
MANUFACTURER:RK30SDK
MAGIC: 0x5041524B
ATAG: 0x60000800
MACHINE: 3066
CHECK_MASK: 0x80
KERNEL_IMG: 0x60408000
#RECOVER_KEY: 1,1,0,20,0
CMDLINE:console=ttyFIQ0 androidboot.console=ttyFIQ0 init=/init initrd=0x62000000,0x00800000 mtdparts=rk29xxnand:
0x00002000@0x00002000(misc),
0x00004000@0x00004000(kernel),
0x00008000@0x00008000(boot),
0x00010000@0x00010000(recovery),
0x00020000@0x00020000(backup),
0x00040000@0x00040000(cache),
0x00002000@0x00080000(kpanic),
0x0017fd00@0x00082000(system),
-@0x00201d00(userdata)

Sucess full backup made ;) (tested recovery and working)