[MOD][ROOT] Overclock your screen to 75hz refresh rate (other refresh rates later)

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Miladsafaei

Member
Jul 30, 2020
9
3
I tried this kernel, but it has not done.
Except got 78hz, I cannot use play store and play pubg and some service, dont know why :(

Follow the video tutorial

Only pubg and cod mobile are inactive

81 Hz is real in android 10 (12.0.4) !
 

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xpdragonboy

Member
Feb 27, 2012
18
5
plz make 90 hz .... plz

for 82hz in android 10 miui rom , waching this video


but pubg mobile and call of duty has blocked & not run , because flashed candy kernel
I tried this kernel, it worked and screen got 78-81hz. But, it isn't stable, cannot use play store or play pubg, I must be back to Immensity kernel and screen only gets max 72hz.
I have tried to mix 2 these kernels, but cannot make 78hz to work on immesity kernel :(
 

Miladsafaei

Member
Jul 30, 2020
9
3
I tried this kernel, it worked and screen got 78-81hz. But, it isn't stable, cannot use play store or play pubg, I must be back to Immensity kernel and screen only gets max 72hz.
I have tried to mix 2 these kernels, but cannot make 78hz to work on immesity kernel :(
this version kernel is very well...
work fine
but pubg mobile and cod mobile not run...
but play store not problem... for me.
my rom is miui 12.0.4 global
 
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misterjano

Member
Jan 22, 2013
9
0
Hello every body, after many painful days, I got 72hz on MIUI 12.0.3 India. I can share with you my steps as belows:
From the latest MIUI 12.0.3 India
1. Flash OrangeFox via ABD Fastboot command
2. Flash Magisk via OrangeFox (to root your device)
I got litte bit stuck in this step, please search gooogle how to get magisk boot img
3. Flash Immesity kernel for k20 pro via OrangeFox (choose latest "MIUI12" ver 08.09.20)
4. Install RR app (chinese apk) https://www.coolapk.com/apk/com.rise.rr
Then apply 72hz, it's more stable than 75hz.
5. Edit build.prop set "ro.fod.dimplayer.enable = false" to fix fingersprint.
6. Hide magisk to use banks app (
)
7. About green tint, use app Color changer Free apk, reduce green to 240, red to 250.
All done. There is some difficulty in each above steps, but after all It's so wonderful.
Works on xiaomi.eu 12.5 android 11?
 

Pavan kamal

New member
Feb 11, 2016
3
0
Redmi K20 Pro
Hey guys,
I've tried installing the 81hz img and my k20 pros display actually became 41hz rather than going 81hz. Ive checked it on testufo.com as well. My kernel is 4.14.234-F1xy+#1 Tue Jun 1 19:50:00 UTC 2021 and rom is pixel experience plus android 11. Can you help me with this?
 

Turbine1991

Senior Member
Nov 19, 2014
502
116
Great, I'm bricked using this on MIUI 11. And fastboot isn't working properly. Good job.

[Edit[
Linux saves the day. Don't use this mod anymore. It stops you booting into TWRP.
 
Last edited:

gersor1

Member
Oct 10, 2010
41
7
New mod 75fps. Codus to marisa kernel maker. Working on miui 12.5 stable.
 

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gersor1

Member
Oct 10, 2010
41
7
Does it work with Evo X on my K20 pro (Raphael). Im totally unsure for right now. I can't afford to have my phone broken.
Have not tried yet. If you wanna do, just back up your kernel and dtb on twrp. Then flash it. If there is a problem that you will encounter then just restore. Its easy as 1 2 3..
 

Hoangbach8x

Member
Aug 25, 2020
16
6
all screen overclocking mods worked fine on Syberia a11 rom. But the problem is that the fingerprint is not working. Does anyone know how to fix the fingerprint not working when overclocking the screen?
 

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  • 73
    This was released by a two Chinese developers ZhenXin(@realheart) and Andy Chang(@atomsand)

    Current released mods: 75hz & 81hz (For Android 9) and 66hz/69hz/72hz (For Android 10)

    Android 9 Mods Currently works/tested on:
    - Chinese dev rom 9.7.11 and below ONLY (xiaomi.eu weekly works too as it is based on the chinese dev rom)
    - Chinese stable rom 10.3.16 and below ONLY (xiaomi.eu stable works too as it is based on the chinese stable rom)
    - Global/Indian stable rom 10.3.3.0 - see here thanks @954wrecker
    - I tested it on xiaomi.eu 9.7.4 (imho the most stable version) on a China set K20 Pro 8gb+128gb
    - 75hz and 81hz both working perfectly
    - Minimal battery drain due to slight overclock from original(60hz) for the 75hz version, 81hz seems minimal as well

    Android 10 Mods Currently works/tested on:
    - 9.8.15 working well​

    Use it at your own risk! It is unknown if it causes any long term or temporary damage to the screen yet. (But since it uses the same screen as the mi9, which has the same mod released a while back, it should be fine!)

    ==================================
    USAGE INSTRUCTIONS
    ==================================

    MAKE A BACKUP OF DTBO PARTITION FIRST!! (Two Methods choose one)
    >>>Via TWRP
    - Boot to TWRP
    - Select Backup
    - Select only the DTBO partition
    - Select storage location, click backup

    >>>Via Lanthanum System Toolbox App
    - Download the attached Lanthanum System Toolbox.apk file, install the apk, then open it
    - Select partition settings from the hamburger menu
    - Select dtbo, make a backup of it (Export image)

    FLASH THE MOD (Four methods choose one)
    >>>Via TWRP
    - Download the attached dtbo_K20P_75Hz_d2e98.img (or dtbo_K20P_81Hz.img)
    - Copy it to your thumbdrive or phone
    - Boot to TWRP
    - Select install
    - Select install image
    - Choose your image file
    - SELECT DTBO partition to flash the file to
    - Swipe to confirm flash!

    >>>Via Fastboot
    - Connect phone(bootloader mode) to computer
    - Open up command prompt
    - Type fastboot devices to ensure device is connected
    - Type: Fastboot flash dtbo dtbo_K20P_75Hz_d2e98.img (or dtbo_K20P_81Hz.img)
    - Done!

    >>>Via Lanthanum System Toolbox App
    - Download the attached Lanthanum System Toolbox.apk file, install the apk, then open it
    - Select partition settings from the hamburger menu
    - Select dtbo again, click flash image, and choose the dtbo.img file
    -Reboot

    >>>Via Magisk module
    - Coming soon, will update once I downloaded it

    You should see the changes immediately after the restart. It's way smoother than before.
    If you want to go back to default, flash your backed up dtbo image file either via fastboot or TWRP restore partiton

    ==================================
    DOWNLOAD
    ==================================
    View attachment Lanthanum_System_Toolbox.apk
    For Android 9:
    View attachment dtbo_K20P_75Hz_d2e98.img
    View attachment dtbo_K20P_81Hz.img
    For Android 10:
    View attachment dtbo_K20Pro_(Q)_60hz.zip
    View attachment dtbo_K20Pro_(Q)_66hz.img
    View attachment dtbo_K20Pro_(Q)_69hz.img
    View attachment dtbo_K20Pro_(Q)_72hz.img
    8
    Decided to invest some time and reverse engineer the patch real quick to see what makes it tick and what keeps it from working on Global units.

    Turns out the whole dtbo.img is completely different.
    In fact, the dtbo.img of Global units is nearly double the size of the Chinese variants.

    I quickly realized that getting this running on Global units (and maybe EEA?) would require people to provide their own dtbo.img (for whatever region their device is from), and apply this patch on top of it.

    As part of that I created a simple patcher tool onto which you drag your dtbo.img file to get it patched to 81Hz, once done you'd just flash the patched dtbo.img.out file the tool spits out.

    I'd provide the link but XDA is brutal about Patreon and other external links. For those that really want to find it though, it's easy enough just googling for my Black-Seraph username.
    8
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    I've removed some posts with rude language and off topic discussion.
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    strongst
    Forum Moderator
    6
    Just install immensity kernel and this dtbo and you will have 75hz working everywhere with no green tint and no need to disable hw overlays and DC anti flickering no frame drops and works with all ROMs.

    Btw immensity kernel got no bugs at all now, boosts performance in an unbelievable way and is the only way to let this 75hz dtbo work properly on Raphael (tried with can based firmware Xiaomi.eu 11.0.5 and European global firmware, if you install this kernel the dtbo works , otherwise no way). This is actually the best way to have refresh oberxlocked with no issues

    Finally it works with l1 hdr and netflix also, all problems solved, I suggest manually installing also dual speaker XML mixer files in system vendor etc folder setting permissions rw-r-r 0644 to enjoy the greatest possible experience

    Use with root es file explorer to move files in root and set permission using the option properties

    All files attached , dtbo must be unzipped and use the image to flash it through twrp


    Also install in magisk 320kbps audio bitrate (normally is 96).

    If you can install viper as well use it with tube amplifier convoiler with -14db master audio and you ll enjoy something exceptional

    Of course need selinux switched on permissive, ADB and busybox installed, audio modification library then install viper drivers and set it as you like, if driver installation fails try and retry , maybe unchecking in magisk modules the aml
    5
    Does this mod make only the screen refresh more frequently or does this mean the touch screen digitizer also samples more frequently?

    At launch the digitizer was touted to be 180hz, it was throttled to 60hz in newer firmware.
    This mod increases the touch frequency to match the response rate (either 75 or 81)
    OHNUqDc.jpg

    You can test yours using this app: View attachment dc.xyn.touchrequency1.2.apk

    Would i work on further versions of miui if someone managed to port the adreno drivers?

    Yup, the dev is working on porting adreno drivers so it can be used on newer eu weeklies/newer china dev rom