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  1. Thread Author  Thread Author    #1  

    Default Unlocked boot loader how to restore back the locked one? Screen acting up

    Greetings,

    I unlocked bootloader 2 weeks ago, since then phone started acting up. Recently, my screens top part doesnt work with touch. I cant pull notification bar down. Activating pointer tracing in dev tools top half an inch doesnt show any touch input at all. Want to take it back to the shop for repair but need to get my original bootloader restored. Anyway to do that?
  2. #2  

    Default Re: Unlocked boot loader how to restore back the locked one? Screen acting up

    Sure. Put the device in fastboot mode and write the following command:

    Code:
    fastboot oem lock
    You'll also need the stock recovery and an unrooted ROM for the warranty to be intact, I believe.
    HTC One 32GB Silver - TrickDroid 7.5.0 - S-OFF and Super CID

    Samsung Galaxy S3 - Android Revolution HD 10.2

    BlackBerry 9900
  3. Thread Author  Thread Author    #3  

    Default Re: Unlocked boot loader how to restore back the locked one? Screen acting up

    Hi Ive unlocked only bootloader I have not installed custom recovery or rooted phone yet.

    Can I ask where do I type the command? CMD? Can you give me a short walk through plz.
  4. #4  
    Tower72's Avatar
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    Default Re: Unlocked boot loader how to restore back the locked one? Screen acting up

    do this command in ADB ...Reboot your phone to bootloader (power+volume down) and choose fastboot. Plug in your phone and it will change to fastboot USB. Open a command prompt within the ADB folder on your pc (shift +right click while in the folder), and type it in there. I am not that well versed in the use of ADB myself so if this is wrong, feel free to chime in!

    Essentially the same screen you used to unlock it (unless you used one of those all in one tools)
  5. #5  

    Default Re: Unlocked boot loader how to restore back the locked one? Screen acting up

    I already replied to your message about this but just in case, use this command:

    fastboot oem relock

    "fastboot oem lock" only works if your device is S-OFF and I am assuming yours isn't which is why it didn't work.
    HTC One 32GB Silver - TrickDroid 7.5.0 - S-OFF and Super CID

    Samsung Galaxy S3 - Android Revolution HD 10.2

    BlackBerry 9900

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