1. dlalonde's Avatar
    Hey!

    I just got a Pixel from Rogers (in Canada) but I'm coming from a world of Samsung and Motorola. So I have some questions.

    • First, is the bootloader locked or unlocked on a Pixel?
    • Second, if it's locked and I unlock it, is there a permanent screen that says it's been unlocked like on Motorola phones?
    • Third, does Google void your warranty if you root and/or install a custom ROM?
    • Lastly, if you unroot your phone and flash the official stock Android from Google, is there a Knox like thing that will show that the device has been rooted or has had a custom ROM installed?


    In other words are we free to do what we want with our device?

    Thanks!
    07-08-2017 09:58 AM
  2. D13H4RD2L1V3's Avatar
    Hi there!

    1) The bootloader on a Pixel is locked by default. If yours doesn't run specialized carrier software, you can unlock it by using ADB and typing "fastboot flashing unlock".
    2) Yes, once the bootloader is unlocked, a warning screen will display, telling you that the device is unlocked, as shown below.
    Some questions about rooting, custom ROMs, bootloaders and such-unnamed.png
    3) As far as I know, Google doesn't void warranties due to bootloader unlocking.

    4) There doesn't seem to be a flashing counter on the Pixel. When you unlock the bootloader, Android's Verified Boot feature kicks in and SafetyNet is tripped, causing some restrictions. There are workarounds, but the official method is to reflash an official factory image if custom firmware is installed and relocking the bootloader.
    dlalonde likes this.
    07-08-2017 10:35 AM
  3. dlalonde's Avatar
    Hi there!

    1) The bootloader on a Pixel is locked by default. If yours doesn't run specialized carrier software, you can unlock it by using ADB and typing "fastboot flashing unlock".
    2) Yes, once the bootloader is unlocked, a warning screen will display, telling you that the device is unlocked, as shown below.
    Click image for larger version. 

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    3) As far as I know, Google doesn't void warranties due to bootloader unlocking.

    4) There doesn't seem to be a flashing counter on the Pixel. When you unlock the bootloader, Android's Verified Boot feature kicks in and SafetyNet is tripped, causing some restrictions. There are workarounds, but the official method is to reflash an official factory image if custom firmware is installed and relocking the bootloader.
    Wow thanks for that detailed reply!

    So if I tru custom ROMs and such and just reflash an official factory image and relock the bootloader, the phone will act as it did when it was taken out of the box?

    For instance, the Motorola warning screen never goes away even if you relock the bootloader. Once its been tripped there's no going back (you can of course modify te logo.bin file to remove the screen but I mean officially). That doesn't happen with the Pixel when you put everything official back and relock the bootloader?
    07-08-2017 11:14 AM
  4. D13H4RD2L1V3's Avatar
    Wow thanks for that detailed reply!

    So if I tru custom ROMs and such and just reflash an official factory image and relock the bootloader, the phone will act as it did when it was taken out of the box?

    For instance, the Motorola warning screen never goes away even if you relock the bootloader. Once its been tripped there's no going back (you can of course modify te logo.bin file to remove the screen but I mean officially). That doesn't happen with the Pixel when you put everything official back and relock the bootloader?
    That should be the case.

    If you flash the official factory image completely and relock the bootloader, the phone would act as if it had never been unlocked before. Once you relock that bootloader, Android's Verified boot sees a clean system image and SafetyNet is passed.
    dlalonde likes this.
    07-08-2017 11:24 AM
  5. dlalonde's Avatar
    That should be the case.

    If you flash the official factory image completely and relock the bootloader, the phone would act as if it had never been unlocked before. Once you relock that bootloader, Android's Verified boot sees a clean system image and SafetyNet is passed.
    Awesome thanks! I like freedom! ;-)

    There is the Rogers app preinstalled on my phone though But I don't know if it's installed along with Allo, Duo and the other apps that are installed during the first boot or if it's a modified image.
    07-08-2017 11:28 AM
  6. D13H4RD2L1V3's Avatar
    Awesome thanks! I like freedom! ;-)

    There is the Rogers app preinstalled on my phone though But I don't know if it's installed along with Allo, Duo and the other apps that are installed during the first boot or if it's a modified image.
    Check your model number, which should be printed on the box.

    Use the link below for guidance.

    https://www.techwalls.com/google-pix...r-differences/
    dlalonde likes this.
    07-08-2017 11:53 AM
  7. dlalonde's Avatar
    Check your model number, which should be printed on the box.

    Use the link below for guidance.

    https://www.techwalls.com/google-pix...r-differences/
    Thanks! I have the G-2PW4100. What does that do?
    07-08-2017 01:12 PM
  8. D13H4RD2L1V3's Avatar
    Does it unlock when you type “fastboot flashing unlock” in ADB?
    07-08-2017 10:39 PM
  9. dlalonde's Avatar
    Does it unlock when you type “fastboot flashing unlock” in ADB?
    Before I do that, is that going to unlock it? I wasn't going to do it now as I don't need it for the moment, I just wanted to know if I could.
    07-09-2017 08:28 AM
  10. D13H4RD2L1V3's Avatar
    Before I do that, is that going to unlock it? I wasn't going to do it now as I don't need it for the moment, I just wanted to know if I could.
    Yes, it will.

    It will erase data, though. Make sure you have stuff properly backed up if you're going to push ahead.
    dlalonde likes this.
    07-09-2017 08:29 AM
  11. dlalonde's Avatar
    Yes, it will.

    It will erase data, though. Make sure you have stuff properly backed up if you're going to push ahead.
    OK I'm going to wait a bit then. Thanks!
    07-09-2017 10:03 AM

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