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my anroid system crashed i need my data before formatting it

Discussion in 'Android Lounge' started by hmezzat16, Aug 28, 2020.

  1. hmezzat16

    hmezzat16 Lurker
    Thread Starter

    hello,
    unfortunately, my Huawei media tab m3 had today a system crash and i have many data on its internal storage that i need before resetting it to the factory setting and its the only option ..is there any possible way to deal with the internal storage as a memory desk and get the data safely ?

    is there a real data recovery program for huwaie phones?
     


  2. ocnbrze

    ocnbrze DON'T PANIC!!!!!!!!!

    crashed? how so? what happened? is it in a bootloop?
     
    MrJavi likes this.
  3. MrJavi

    MrJavi Android Expert

    Welcome to Android Forums @hmezzat16 :)

    Are you able to get into youe Huaweis phone settings or does it immediately crash apon boot?

    Is your usb debugging enabled ?
     
    ocnbrze likes this.
  4. Hadron

    Hadron Smoke me a kipper...
    VIP Member

    "Crash" to me just means something that needs a reboot, not a reset. So I think it must mean something different to you. Could you explain exactly what happened and what state the device is in now? It will be easier to advise if we know what the problem is.
     
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  5. hmezzat16

    hmezzat16 Lurker
    Thread Starter

    yes it's a boot loop

    no i can't it immediately crushes ..no the debugging isn't working too i tried to open my (hi suite program) and it tells me the connected device is undefined

    i mean .. it keeps repeating the starting screen and can't continue to the mobile system and the only choice i have after it restarts many times with this screen i guess we can call it a boot loop it gives me an option to reset the mobile to the factory settings
     
    MrJavi likes this.
  6. ocnbrze

    ocnbrze DON'T PANIC!!!!!!!!!

    ok unfrotunately a bootloop usually means that the os and its partitions are corupted. even if we can fix the bootloop, your data is lost. there is not much you can really do about your data. and no any of the websites that claim they can pull your data off of your phone after it has been deleted are most likely scams.....so do not pay for any of them.

    so at this point your are sol as far as your data is concerned. you can try to flash a firmware update from Huawei . never owned a Huawei so i do not know much as far as how to do that. maybe check their website for firmware updates.
     
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  7. bcrichster

    bcrichster ROMinator
    Moderator

    @ocnbrze stated, your very critical System or boot partition (kernel) is unfixably corrupt. As last I knew, Huawei is basically banned here in the States.. but your data partition is lost with one exception (but is ridiculously expensive, I tried once): take/send it to a data recovery specialist and they might be able to recover said data for a very hefty sum (Like $400+.. can sometimes reach costs as high as $1k). If your data is that pertinent & a must-have, that'd be your only option at this point
     
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  8. hmezzat16

    hmezzat16 Lurker
    Thread Starter

    "stated, your very critical System or boot partition (kernel) is unfixably corrupt" no didn't state this .. is there still hope ..isn't there any way to get the internal memory out and deal with it as an
    extrenal disk
     
    #8 hmezzat16, Aug 29, 2020
    Last edited: Aug 29, 2020
  9. bcrichster

    bcrichster ROMinator
    Moderator

    I didn't imply that you stated anything, I was referring to @ocnbrze having stated that. As for your data, only a data recovery specialist is capable of doing this as they will literally destroy the CPU of said device (for data removal) and copy to some flash drive for your purpose, but it'll be very expensive to do so. No, you can't generally use that as an external storage device. It's not like a laptop that has removable drives, I'm sorry. That whole device is toast without a successful reflashing of its FW (firmware). The data itself is toast without being sent to a recovery specialist.. so basically your 2 options are: save the phone OR save the data, because you won't likely get both in that regard. My suggestion would be to immediately enable Developer options & USB debugging on 1st boot of next phone.. then you stand a small chance of future data recovery with that device. Like a broken screen/digitizer, just hook up a PC mouse to the phone & go from there.. just suggestions for future purposes
     
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  10. MrJavi

    MrJavi Android Expert

    I few options you can try, ahough I doubt it will help.

    1. Try wiping "catche partition" from recovery and reboot.

    2. Another option is to boot into "safe mode"

    https://www.google.com/amp/s/safemodewiki.com/how-to-enable-safe-mode-on-huawei-mediapad-m3-8-4/amp/

    Don't get your hopes up because I also agree with @ocnbrze assessment.

    PS: I've never owned Huawei but with Samsungs its possible to keep data while flashing official factory firmware using "home csc" The link below is specifically for Samsunges but perhaps there is a similar method available for Huawei.

    https://www.getdroidtips.com/know-about-csc-home_csc/
     
    #10 MrJavi, Aug 29, 2020
    Last edited: Aug 29, 2020
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  11. mikedt

    mikedt 你好

    It's known as chip-off data recovery. However the data in the phone's flash chip(internal memory) is AES256 encrypted, Which AFAIK you can't do anything with, not unless you got a super-computer and something like 100,000 years spare to brute-force attack it, or you have the encryption key.
     
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  12. The_Chief

    The_Chief Accept no imitations!
    VIP Member

    I know this post isn't helpful in the moment, but this is another example of why it's so important to (a) store critical files and information on a microSD card (external storage); and perform regular backups to a PC. Cards fail too: I recommend scheduling backups, right into your calendar, every two weeks or more frequently. Just set up folders on your PC (or cloud storage: even better) for internal and external storage, then copy & paste everything. Good luck with your data recovery, @hmezzat16 and welcome to Android Forums!
     
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  13. Hadron

    Hadron Smoke me a kipper...
    VIP Member

    Unfortunately I have to agree with the others: unlikely.

    The problem is that unless you have a custom recovery (and if you had you would know it) there's no way of transferring data from the phone unless you can get it to boot into the android operating system. You can't copy data from the bootloader or the standard recovery module.

    So how can you recover from the bootloop? That depends on the cause. It's just about possible that the problem is some piece of corrupt data that is preventing the boot. If that's the case then removing those bit of data would fix it. However you cannot know what bit of data that is, and there is no way of selectively removing it: all you can do is wipe an entire partition from recovery. This is why @MrJavi suggests wiping the cache partition from recovery: it's a long shot, but it's the only data wipe you can do without erasing the stuff you are trying to save, so it's worth a try (will cost you nothing if it doesn't work).

    It's even less likely it's a bad app, but that's what booting into Safe Mode will test (it disables user-installed apps, so if one of them is somehow interrupting the boot this will prevent it).

    If it's corruption to system data that's behind it (i.e. the settings or data of a system app, or maybe a corrupted update to a system app) then a factory reset will fix it, but will erase what you are trying to save. But if that's the situation there is nothing else you can do anyway.

    The remaining possibility is that the system software itself has been corrupted. If that's the case then the only fix is to reflash the device's firmware. The tools for reflashing the firmware, and the availability of firmware files to flash, vary with manufacturer and device. As said above, some devices allow you to reflash without wiping the data, but most devices will erase the data as part of the reflashing. You'll need to do some research to find out whether there is a way of doing it without a wipe on your device. Of course the worst case is that a significant part of the internal storage has failed, and this is the reason for the corruption.

    The storage itself is bonded to the motherboard and would take specialist tools to remove it, and is in any case encrypted, so there's no way of removing it and reading it from a computer.

    I'm sorry that's not terribly optimistic, but those are all of the possibilities I can think of. As you can see, there are very few of these scenarios where it will be possible to recover the data.
     
    MrJavi, Davdi, ocnbrze and 2 others like this.
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