1. AC Question's Avatar
    Firstly I have not bricked or tried to modify my device in any way.

    A couple of weeks ago, my phone started getting in a fastboot / bootloader loop.

    The initial screen is:

    *** LOCKED ***
    M4_UL PVT SHIP S-ON RL
    HBOOT-2.21.0000
    IS-2.12.61.3
    eMMC-boot 1024MB
    Dec 3 2013,23:49:27.0

    BOOTLOADER
    REBOOT
    REBOOT BOOTLOADER
    POWER DOWN
    On the bootloader screen I get:

    FASTBOOT
    RECOVERY
    FACTORY RESET
    CLEAR STORAGE
    SIMLOCK
    IMAGE CC
    SHOW BARCODE
    All options ultimately just restart the phone and keep the phone in a bootloader loop - even the recovery and factory reset don't work.

    I thought the issue had been caused by a recent OS update to Android that I downloaded and installed however the issue also seems to occur when simply restarting the device.

    After a prolonged period of a good few hours (or just luck) the device eventually boots back into Android but I can't obviously run the outstanding OS update or restart my phone without the same issue occuring.

    Any suggestions?
    09-18-2014 08:45 AM
  2. howepc's Avatar
    Too late to help you, I imagine, but I got myself into that state trying to recover from what appeared to be a dead phone. I read elsewhere to hold the power and up volume buttons down for about 15 seconds and that booted the phone into the screen you mention. To get out of it, I did the same and held the power and up volume buttons for 15 seconds again. If I recall correctly, the device turned off (or may have just started, but if not) then when I pressed the power button the phone started and came back up to normal Android mode and everything is working (so far). Good luck!
    11-23-2014 05:51 PM

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