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Thursday 16 October 2014

Dumping you android bootloader using dd!

Q: What are the steps to take to do the dump ?A: Ok here's the steps by ADB:This layout is an example! Rename the output files to the correct names that correspond with your tablet!

# cat /proc/mtdcat /proc/mtddev:    size   erasesize  namemtd0: 80000000 00080000 "bootloader"mtd1: 00a00000 00080000 "boot"mtd2: 09600000 00080000 "system"mtd3: 00400000 00080000 "splash"mtd4: 01400000 00080000 "cache"mtd5: 13b00000 00080000 "userdata"mtd6: 00100000 00080000 "persist"mtd7: 00a00000 00080000 "recovery"mtd8: 00100000 00080000 "misc"mtd9: 00100000 00080000 "tcc"

Now we dump the interesting parts to the sd card for easy recovery. You need 

to rename the files /mtd names to the correct partition name, the above is just an example!

dd if=/dev/block/mtdblock0 of=/sdcard/bootloader.imgdd if=/dev/block/mtdblock1 of=/sdcard/boot.imgdd if=/dev/block/mtdblock2 of=/sdcard/system.imgdd if=/dev/block/mtdblock3 of=/sdcard/splash.imgdd if=/dev/block/mtdblock4 of=/sdcard/cache.imgdd if=/dev/block/mtdblock5 of=/sdcard/data.imgdd if=/dev/block/mtdblock6 of=/sdcard/persist.imgdd if=/dev/block/mtdblock7 of=/sdcard/recovery.imgdd if=/dev/block/mtdblock8 of=/sdcard/misc.imgdd if=/dev/block/mtdblock9 of=/sdcard/tcc.img

The most important files (at least the ones i need for custom rom or tweaks) are boot.img, system.img and recovery.imgTo create a full FWDN flashable rom, we need also 'lk.rom' from one of the factory releases for your tablet.If you dump a rom, please include the tablet type/brand in the description as wel als the kernel numbers. (Example file name: Haipad-333-m701.rar)Kindly PM me details where to download it. Do not post in public, as it will kill the download sites when people start to mass-download it ;)27-9-2010:At this stage i am looking for the new haipad rom with HDMI output in it, rom #99 or 101 i think ?

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