SOS! Cannot open GT-I9502 after failed boot


  1. huuyy56

    huuyy56 Member

    HI folks!

    I tried to root my GT-i9502 this afternoon to get access to Google Play.

    HOWEVER, When I followed the instructions online (they are much of a muchness http://marrkdaviid.com/2013/07/how-...samsung-galaxy-s4-duos-gt-i9502/#.UjTW8MafgjY ), I am stucked in the first step --- root with odin307.

    When I went to download mode, open Odin, chose the right package, then linked my smartphone with my laptop, everything went fine, it was correctly connected.

    However, when I clicked 'Start", the result was failed. Then the screen showed that 'Firmware upgrade encountered an issue. Please select recovery mode in Kies & try again'.

    I tried to connect to Kies, nevertheless, the computer failed to recognise my smartphone. When I tried Odin for several times, all results were disappointing -- all of them were FAILED!

    Currently I can enter the download mode, but cannot open my smartphone.

    Anyone helps!!!!!

    Thank you VERY MUCH!!

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  2. ironass

    ironass Well-Known Member

    Hello and welcome to Android Forums huuyy56! :)

    So, you have the Samsung Galaxy S4, i9502, on China Unicom?

    I think you mean, "root", and not boot.

    There are currently 18 models of the Samsung Galaxy S4 and each uses its own rooting methods depending on the model and firmware. It might be helpful if you could post a link to the method you used to try and root your i9502 in case you have not used one that is compatible with your model of phone.
    Mikestony likes this.
  3. Mikestony

    Mikestony ~30% Carbon Black ± Moderator

    Welcome huuyy!!
    As ironass said, there are alot of variant of the S4...sometimes confusing eh? Not to mention being careful about what you flash. :)

    I'm not sure the PlayStore is available in China, but don't quote me:) Are you from China?

    Also as ironass said, can you post a link to the method you attempted?

    Just as an FYI only, I did see this about your device....if it is the device:)

    Samsung Galaxy S4 Duos (GT-I9502) Released With Exynos 5 Octa: How To Update It To ZNUAMDG Android 4.2.2 Jelly Bean Official Firmware [Tutorial]
  4. huuyy56

    huuyy56 Member

    Yes it is i9502. the instruction I used is as follow How to install Google Play on the Galaxy S4 Duos i9502
  5. Mikestony

    Mikestony ~30% Carbon Black ± Moderator

    Well, ODIN and Kies don't like each other....so can you disable or uninstall Kies? Don't uninstall the drivers, just Kies.
    Then try the Odin thing again...
    Meanwhile, I am going to move this into the International rooting forum as this is a rooting issue and we don't have a forum for the I9502:) k?
  6. ironass

    ironass Well-Known Member

    Mikestony likes this.
  7. huuyy56

    huuyy56 Member

    Sorry I forgot to address that I can connect to the Odin (The left up side does show 0:[com3] in blue, and the message box says 'added!').

    I read the message box, found it showed :

    <ID:0/003> Added!!
    <OSM> Enter CS for MD5..
    <OSM> Check MD5.. Do not unplug the cable..
    <OSM> Please wait..
    <OSM> I9502ZNUBMH4_I9502CHUBMH4_I9502ZNUBMH4_HOME.tar.md5 is valid.
    <OSM> Checking MD5 finished Sucessfully..
    <OSM> Leave CS..
    <ID:0/003> Odin v.3 engine (ID:3)..
    <ID:0/003> File analysis..
    <ID:0/003> SetupConnection..
    <ID:0/003> Can't open the serial(COM) port.
    <OSM> All threads completed. (succeed 0 / failed 1)

    I unsure whether it is the reason.
  8. huuyy56

    huuyy56 Member

  9. huuyy56

    huuyy56 Member

    I tried other instructions and noticed that after I plug in my smartphone while in download mode, one of the odin ID:COM should turn yellow right?

    But no one turned yellow
  10. huuyy56

    huuyy56 Member

    However, your inability to connect with Kies/Odin renders this academic. Are you able to get into Recovery Mode?

    I am unable to get into Recovery Model. It always shows : Firmware upgrade encountered an issue. Please select recovery mode in Kies & try again
  11. Mikestony

    Mikestony ~30% Carbon Black ± Moderator

  12. angdanny

    angdanny New Member

    Rooted as per instructions from markdavid.
    Same results as noted above with the following messages from Odin:
    <OSM> Enter CS for MD5..
    <OSM> Check MD5.. Do not unplug the cable..
    <OSM> Please wait..
    <OSM> I9502ZNUCMG2_I9502CHUCMG2_I9502ZNUCMG2_HOME.tar.md5 is valid.
    <OSM> Checking MD5 finished Sucessfully..
    <OSM> Leave CS..
    <ID:0/004> Added!!
    <ID:0/004> Odin v.3 engine (ID:4)..
    <ID:0/004> File analysis..
    <ID:0/004> SetupConnection..
    <ID:0/004> Can't open the serial(COM) port.
    <OSM> All threads completed. (succeed 0 / failed 1)

    On the phone, it say "Unsupported Version"

    Help anyone??
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