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How To Guide [BOOTLOGO] [EXYNOS] Clean boot logo/bootscreen for G998B S21 Ultra Exynos

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  • 9
    * Disclaimer: I've only tested this on a G998B/DS Exynos S21 Ultra 5G, knox tripped and rooted with Magisk *
    * DO NOT TRY ON ANY VARIANT OTHER THAN G998B/DS Exynos S21 Ultra 5G, I will be no responsible if you do *

    * If it works for you on other variants, please report it so I can add it to the post, thanks *


    As we all know, Samsung phones render a large, ugly disclaimers on the initials bootscreens/bootlogo when booting the phone, after it has been bootloader-unlocked (e.g. to root it via Magisk, to install TWRP, etc.)

    Flashing this tweaked up_param partition on Odin will restore back a nice, clean bootscreen that won't scare the hell out of you every time you turn it on :)

    How to install

    1. Open Odin 3.14
    2. Select the attached clean_bootlogo.tar into the BL box (you can use any slot, really, but suggesting BL here as a best practice)
    3. Start flashing
    4. Enjoy!

    If you like this, leave your (y) or thanks!
    2
    Hello there, firstly, I would like to thank you for your hard work into coming up with this, and yes it works great on my S21 Ultra Exynos G99B/DS.

    I would love to suggest a feature/addon: Remove the press power button to continue text. (If it is possible)

    Also just to point out, this post would get so much more attention if it was under "How To Guides" instead of "Development".

    Anyways thanks you so much for your hard work 😍🤩
    1
    Hello there, firstly, I would like to thank you for your hard work into coming up with this, and yes it works great on my S21 Ultra Exynos G99B/DS.

    I would love to suggest a feature/addon: Remove the press power button to continue text. (If it is possible)

    Also just to point out, this post would get so much more attention if it was under "How To Guides" instead of "Development".

    Anyways thanks you so much for your hard work 😍🤩

    I intentionally left the "press the power button..." text on the screen, because once the bootloader is unlocked, and the phone takes you thru these screens, it will wait those ~8 seconds on that screen, unless you press the pwr button. So leaving there, lets the end user know they can skip it and get the system booted up faster.

    However, I'll upload another version without the label 👍🏻
    1
    I intentionally left the "press the power button..." text on the screen, because once the bootloader is unlocked, and the phone takes you thru these screens, it will wait those ~8 seconds on that screen, unless you press the pwr button. So leaving there, lets the end user know they can skip it and get the system booted up faster.

    However, I'll upload another version without the label 👍🏻

    Hi has the version without the label been posted?
    1
    Yep, i send it to warranty. It is back to me with new motherboard, also new backplate without imei number on it.

    Haha phone was knox 0x0 with new mobo

    Just for one Day XD

    So this file break hardware in other models xddd

    Whole repair took 9 days.