[Tutorial] How-to backup and restore the FS

Discussion in 'Rockchip RK2818 Tablets' started by RDilus, May 3, 2011.

  1. RDilus

    RDilus Member

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    Location:
    Gouda
    Tablet / Device:
    Yarvik TAB210
    Most of you know it already but this is some faster guide without backing up everything or else.
    This is only for windows users.
    Also only for rockchip 2818 not for other ones!!!

    What do you need
    Z4Root
    SU
    Winrar < Not included in package!
    ADB
    Android drivers
    Rockchip drivers
    Rockchip flash program
    SD card or internal memory on the device self (150mb atleast)
    USB Cable

    Programs can be downloaded in this package.
    So al the progams you need are in the rar file.

    1. Preparing the device
    First install Z4Root and SU on you're device.

    Then start Z4Root and click on ''Temporary Root" he will root the device for you and after reboot you will loose the root access so don't reboot!

    After that connect you're device to an windows machine he will ask you to install drivers.

    Install the drivers and then start CMD
    (Windows XP: Start > run > CMD > Enter)
    (Windows vista and 7 Start > Type CMD > Enter)

    now locate to the ADB.exe folder i recommended to place it in the C: root.
    so type this in CMD
    cd C:

    when you are there type this command.
    adb push rkdump /data/

    After that type adb shell
    this command bring you to a terminal like command line for you device.

    Ok now watch you're device and type su in cmd.
    A popup will show up to get SU access for terminal press "allow"
    Now we can backup the FS.

    type this in cmd
    cat /proc/mtd
    a list will popup like this one

    mtd0: 00002000 00000010 "misc"
    mtd1: 00004000 00000010 "kernel"
    mtd2: 00002000 00000010 "boot"
    mtd3: 00004000 00000010 "recovery"
    mtd4: 00030000 00000010 "system"
    mtd5: 0003a000 00000010 "backup"
    mtd6: 0003a000 00000010 "cache"
    mtd7: 00100000 00000010 "userdata"
    mtd8: 00cbc000 00000010 "user"
    mtd9: 00020000 00000010 "pagecache"
    mtd10: 00020000 00000010 "swap"

    i made one red because that the line we need.

    NOTE: we need backup partition so look always to mtd number not every device have backup as mtd5 it might also be 6 or 1 or some other random number!

    Now it is time to backup!
    type this
    /data/rkdump /dev/block/mtdblock? /!!!/update.img

    place the number of the mtd on the ''?''
    if example your number is 6 use it like this
    mtdblock6

    place the destination backup folder on the !!!
    flash for the tablet internal memory
    sdcard for to backup on the sdcard

    if you did this good it will say this
    update.img found (116115456 bytes) < File size may be difference depends on device.

    after it is done it will say this
    crc found (4 bytes, 0x0709e735) < Also this could be difference
    done

    Gongrats you backup you're FS now you can destroy you're device with custom roms!


    2. Restore you're FS

    Sometime you will see you destroy you're device what now!
    Good thing you made a backup of you're FS!
    First Hold back/ecs button on you're device just hold it and put the usb cable in it.
    (From pc to the tablet ofcourse)
    you're pc will give you a driver notice install them (included from the package)
    After that start RKAndroidBatchUpgrade.exe
    Then choose in settings you're backup and press ''Upgrade''
    Wait a few seconds or minutes and you are done.
    Gongrats you can use youre device again!


    Well this is it soon i will rewrite it and add some pics when i got some more time but i hope you enjoy it now if you understand this tut.
     
  2. super_stupid

    super_stupid Member

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    Help me ! I had 'Temporary Root", but not have Permission
     
  3. ruaa

    ruaa Member

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    Tablet / Device:
    rk2818
    Just copy this file by file manager like root explorer etc.
     
  4. ruaa

    ruaa Member

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    Tablet / Device:
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    Ok, upgrade.img was created, but my chinapad do not want to load in restore mode. Esc button don`t work for turning on this mode
     
  5. freddyzdead

    freddyzdead Member

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    Location:
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    Tablet / Device:
    Curtis Klu
    Please note NOD32 says your package has a trojan.

    Also please remove all instance of "you're" and replace with "your". as in "your device" not "you're device" unless you mean something like "you're crazy" in which case the apostrophe-re is ok. *This is so I won't try to tear my eyes out while reading your post. *Thanks/ freddy
     
  6. Darkwing

    Darkwing Member

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    Location:
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    Tablet / Device:
    Odys Loox
    i tryed to dump the system on a rk2918
    copy the rkdump to sdcard
    open termial emulator on the tabled
    $
    su
    #
    /sdcard/rkdump /dev/block/mtdblock2 /sdcard/boot.img
    rkdump: permission denied

    try it with adb
    adb shell
    $
    su (i must allow a "unknown" root permissions in Superuser.apk)
    #
    /sdcard/rkdump /dev/block/mtdblock2 /sdcard/boot.img
    rkdump: permission denied
     
  7. dogboy

    dogboy Member

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    hello my titan pc7005 won't boot after update fail tried to reflash but it sticks at (start test device) using RK2818 Android Upgrade Tool_v1.23 can anyone help me
     

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