yashsingh1/xdaforums huggingface dataset:
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] Skye.life:
I've tried clean flashing this build as well as updating from the initial build. Fails to boot either way for me.
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] chandu dyavanapelli:
Did you follow the flash instructions?
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] roaringcrown:
Same for me. Original release installs just fine. This one goes straight to recovery with an error message.
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] travis82:
Based on android 11 firmware?
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] Honkette1738:
It's based on Android 12 firmware.
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] Brimz1:
Installed the march build, the OS is very smooth with very few bugs, much better than oos12, my only issue is the battery life has reduced a lot.
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] crankiro97:
Followed the instructions but can't boot the rom.
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] sfacimma:
I along with others had the same issue. Flash the Feb 7th version, and then you can later sideload or perform a local update from within the rom. I've done that myself.
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] yzheka.m@gmail.com:
Have anyone google photos crashing when click profile icon?
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] yzheka.m@gmail.com:
By the way, anyone who have problems with booting the last update, to fix it, install official twrp
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] chandu dyavanapelli:
New build up

• Merged April security patch with QPR2 rebase (All features are there compared to last build)

• Added System Vibration QS tile to quickly disable all vibrations

• Allow to restrict per-app network access

• Added auto high brightness mode on strong light environment

• Added more options to long swipe back gesture (Turn on notification panel/qs panel/volume panel; Turn off screen)

• Adjust lockscreen clock spacing for some fonts

• Fixed Gboard translation

• Fixed crash on some games

• Fixed messy settings on multi users

• Fixed showing double statusbar clock randomly

• Fixed high battery drain on pixel launcher

• Fixed disable heads up in landscape mode not working

• Fixed GameSpace crashing in landscape mode for some users

• Fixed NTFS OTG

• Nameless Launcher: Fixed narrow spacing between docker icons when taskbar is on

• Re-link notification and ringer volume (Follow Google stock now. Would add a toggle in feature)

• Removed scheduled mode for dc dimming

• Switched to StagBin for app crash log upload

• Many underhood code improvement

• Other fixes that I may forgot

Device changelog:

• Initial build based on Oxygen OS 11 firmware, so please flash Oxygen OS 11 firmware on both slots before flashing the new build.

• Added FHD+ screen resolution support

Known bugs:

• Randomly OnePlus Camera get stuck, clear camera data will be fix.

Note: This build is blocked for OTA update, please follow flash instructions from here: https://stagbin.tk/fluuomv.

Kernel source for oos 11 builds: https://github.com/chandu078/android_kernel_oneplus_sm8150
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] darksx:
Yesterday i tried to flash this but with no luck,stuck at recovery.I followed instructions to the letter.What's wrong??At the moment running LOS.
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] abhi0502:
Flash twrp 3.7.0 v2 img file from official site, and format data

And u will not get mobile network on first boot, after reboot u will get the network
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] z0mghii:
Any fix for choppy animations?
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] Obnomus:
Will this device gets A14 Nameless aosp?
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] Yummyrummy:
@chandu dyavanapelli

Awesome rom! Love that full OOS Camera support and Dolby Atmos is included and so many other goodies.

Couple issues I've noticed,

- fingerprint scanner performance is bad, slow, sometimes doesn't recognise at all

- the pattern unlock size is huge

- fingerprint scanner is always active when the screen is off even though 'screen off fingerprint' is disabled. Causes the phone to wake up all the time when holding or in pocket.

Hope this is helpful, ✌️
[OnePlus 7 Pro ROMs, Kernels, Recoveries, & Other D] mcneel:
Does Google Wallet work on this firmware?
[Samsung Galaxy A51 Questions & Answers] denzx09:
Hey people im trying install my own revovery to my phone i tried one on this site and it naffed my phone so had to search for stock firmware which its not the right one for my phone but i can still use it so im not to bothered, anyway my info of the phone is...

IMEI: 3502204********

Serial number: RZ8*********

Model: SM-A515F

Region: EUA

Model name: SM-A515F / Galaxy A51

Model full name: \

Country: UK & Europe

Product date: 2020-12-02 00:00:00

Device age: 794

the phone was unlocked to any network but i had to put this on it SM-A515F_O2U_A515FXXU5EUG3_fac for it to work again.

i know i should have wrote down what was on the phone in the 1st place but i did not which was my mistake :mad:

so can anyone help me or point me in the right direction to getting custom recovery and ROM on this phone.

thank you
[Samsung Galaxy A51 Questions & Answers] V0latyle:
Did you search before posting?

TWRP thread with instructions here
[Samsung Galaxy A51 Questions & Answers] denzx09:
yeah and ive tried one or 2 tuts but seem to just get bootloop so thought i would post for my exact phone
[Samsung Galaxy A51 Questions & Answers] denzx09:
i tried that one aswel i can not get it to work on my phone just does same and bootloops for some reason and i have read and read in and redone but still cant get it to work
[Samsung Galaxy A51 Questions & Answers] denzx09:
can no1 help?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
Nameless AOSP for OnePlus 7T Pro [hotdog]

Nameless AOSP is based on Android Open Source Project, inspired by Google Pixel. We offer a smooth and stable experience for your device with a selected set of amazing features that provide an exceptional user experience.

Whats working?

Everything working :)

Known issues

Nothing yet

You tell me

Flash Instructions

https://wiki.lineageos.org/devices/hotdog

Download

DON'T FLASH GAPPS, THEY'RE ALREADY INCLUDED !

Donate

Chris Chen PayPal

Chandu Dyavanapelli PayPal

UPI ID: chandudyavanapelli03@okaxis

Team

Chris Chen - Founder & lead Developer

Chandu Dyavanapelli - Co Founder & lead Developer

Credits

Android Open-Source Project

Pixel Experience

AospExtended

Proton AOSP

LineageOS

Havoc OS

Arrow OS

Krypton

Others, I may have forgot to mention

Stay tuned

Our Telegram Group

​

Android OS version: 13

Security patch level: April 2023

Build author/Device Maintainer: Chandu Dyavanapelli

Kernel Source code: https://github.com/LineageOS/android_kernel_oneplus_sm8150

Source code: Nameless AOSP

Screen Shots: Screenshots
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
- Initial release

Note:

- This build is based on OOS 12, Recommended to flash latest OOS 12 firmware before proceeding to nameless build

Known bugs:

- Slow motion in OnePlus camera doesn't work.

- OnePlus camera fc while switching between video 4K 30 - 60fps modes but after fc it's starts works fine.

Gdrive mirror:

Google Drive: Sign-in

Access Google Drive with a Google account (for personal use) or Google Workspace account (for business use).

drive.google.com
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
Reserved
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
Sound like an amazing rom, gonna test tdy
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
So far so good! Got the phone rooted, payment apps are working, and performance is amazing. Tons of customization scattered throughout the settings. The optimized charging in the battery settings is extremely useful as I normally have my phone plugged in when I go to bed. However, I have noticed that the battery percentage doesn't decrease by each percent but by multiple percentages, is it just me? Overall, amazing ROM. gotta compare the battery to Lineage and Crdroid, but so far, a very promising daily driver ROM.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
How was the haptic feedback ?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
MB I COMPLETELY FORGOT. Yes, I noticed that the amount of haptic feedback when changing volume, alert slider modes, brightness, etc. was much more intricate than other ROMs such as lineage and crdroid. For example, there is a buzz and vibration for each level changed when changing volume (which other roms don't have).
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
Nice. It's exclusive to nameless rom and we have a lot of haptic customisation in sound and vibration setting
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Shreeshail:
Heats alot. Even when the phone is idle, heats alot when using Google maps , can't even put the phone in my pocket.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
I think that's an exaggeration, but I have noticed that sometimes, the phone does get warm on idle. Not really a problem for me because I live in the north.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Shreeshail:
Use Google maps navigation and experience yourself.im giving feedback so the Dev's can improve
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Shreeshail:
Otherwise everything is super fine,no bugs no glitches everything flows super smooth.and the haptics are at another level.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] SohrabHamza:
The ROM sounds really nice but can you provide a guide to install the OOS12 Firmware? Last time I tried flashing OOS12 and it messed up some stuff.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
Follow the lineageos instructions:

Update firmware on hotdog | LineageOS Wiki

wiki.lineageos.org
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
It really is the perfect rom!

really great job thank you very much

everything works perfectly even the OnePlus applications (Gallery, camera)

DRM L1, BANKING APP without root etc...

you are the boss
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Ginosius:
DRM L1.. thats something the other roms couldnt achieve on A12 firmware.

Nice work!
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
Hi :chandu dyavanapelli

I am currently testing new Nameless ROM for 7T Pro hotdog, where can I report the bugs?

the telegram group is closed for new users!

I also saw that they are looking for testers?

THANKS
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
my remarks :

- Battery drain !?!..... and % not -linear ex :94.. 88...83 etc...

- On lock screen : Photo (gallery) message : force to close (sometimes) when open caméra app (but work)

- battery usage monitor don't dysplay app usage (only screen usage)

- Stay On with face unlock : camera open en close for check face but with or without face détected mobile goes into standby

voila for first reporting it's minor
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
Could you tell me how to get L1? Either I am unlocking the bootloader incorrectly or something because it's always downgrading to l3 when I unlock OOS12.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] digidude512:
Wait L1? So this ROM does Netflix HD?

Is Google Pay also working rootless?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Eazy:
Have not tried this rom. So I don't know, but I think you still have to unlock the bootloader from OOS11 to retain L1. Unlocking from OOS12 will almost never give you L1.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
Yea but I did that but it requires the OOS 12 firmware, which when I flashed the f.18 firmware makes it revert to L3.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
Hi,

for retain L1, you need to downgrade to A11 and unlock bootloader on A11 after that you will upgrade with A12 firmware partially : A12, F18 Firmware CrDroid

Next then you can Flash recovery and sidelaod you favorite Custom Rom A12 Based ;)
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] digidude512:
Have you tried F20 firmware yet?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
Nop I did not know that F20 was released
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] kostasntamas:
which firmware is better to use for installing this ROM? F16, F18 or F20?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
i've tested with F20

it's OK

Always from A11 to A12 with CrDroid partially update Firmawre

(exlude recovery.img) if you have custom recovery

or directly if you are on Namless
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
@chandu dyavanapelli an update planned for 7T Pro?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
YES ;)

but still with an update procedure from A11
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] digidude512:
Is that with Rollback ROM or MSMDownloadTool to go to A11?

Edit: Also which recovery is best to use?

Lineage, crDroid or TWRP (For TWRP do I need FBEv1 or v2?)
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Seppitux:
For me MSMDownloadTool has worked but I think Rollback too

after that unlock bootloader on A11 and update to A12 Firmware CrDroid (F20) link above

And for install Namless use last Hotdog LinageOS Recovery.img
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] kostasntamas:
do i need to flash the vbmeta and dtbo.img?? as the lineage installation says?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] kostasntamas:
I update the OxygenOS Android 11 to 12 using the Oxygen Updater from playstore, then I unlock the bootloader and install the additional partitions vbmeta.img & dtbo.img as the lineage link says and then sideload the ROM using the lineage recovery. Stucked at 47% but i press twice the yes on my screen and everything install successfully except my touch screen could work and I could set up my device.Did i miss something?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] KB1000000:
Hi, could you post oos camera as a separate package?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Shreeshail:
Update firmware F1.8
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] digidude512:
Shoutout to @Seppitux for pointing me in the right direct

My steps

Use MSMDownload Tool from OnePlus Community Server (Mine is EU)

Unlock Bootloader in Android 11

In Fastboot/Bootloader Mode ran crDroid Firmware to A12

Back into Fastboot fastboot flash dtbo [Location of dtbo.img] and fastboot flash vbmeta [Location of vbmeta.img] for Lineage

Reboot into crDroid Recovery which was installed by crDroid firmware

I forgot to do this but Factory Reset in recovery (But if you forget when it boots Nameless will tell you it's corrupted and prompt you to factory reset)

In recovery still - Apply update - via ADB - adb sideload [Location of Nameless ROM ZIP]

Reboot

???

Enjoy!

Play Store - Device is Certified

Widevine is L1

Wallet activated with no hassle

Banking apps all work

Smoothest ROM I ever setup and with Androids Private DNS I just set it up with my NextDNS for AdBlocking

Excellent work @chandu dyavanapelli !

Please keep supporting the 7T Pro :)
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
unfortunately these steps don't work for me :/

luckily i don't watch netflix or any widevine certification required apps so I'm fine with L3
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] el_yasta:
if i instal 'oos12.1 f20' i can skip firmware step is that right?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] digidude512:
The oos12.1 f20 package is the firmware step

That's not a flashable ZIP by the way, Extract it and run the .bat if on Windows
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] el_yasta:
Aren't there a recovery for nameless os ? If no what is the best recovery to install it ?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
You can extract the recovery from the zip using payload dumper.

Here is the nameless recovery image if you don't want to extract:
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] icyeye:
hi! can u tell me when coming from custom ROM android 13, do i need to revert to android 11, than flash firmware android 12, and than install this ROM or..? thanks!
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
I you don't have too, others have done it that way to retain Widevine L1. However this method didn't work for me so I just flash directly from OOS12.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] icyeye:
ah nice to know. thank m8! cheers! ;)
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] icyeye:
hmmm... need help. i got all step done before flashing adb sideload ROM but every time i got stuck with

- cannot read Nameless ROM

tried to flash Lineage the same way and all done smoothly.

any tip will be good.ty
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] Eazy:
Corrupt download? Try download it again. Also, after clicking the download link be sure you download the Hotdog version (the link with "hotdog" in its name), not the link in the green square (I almost made that mistake my self).
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] icyeye:
thanks. will try again and maybe it is corrupted...

well downloaded it twice and same problem. rly don't know what is wrong....
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
New build up!

Source changelog

- Added lockscreen shortcuts customization

- Added vertical QS layout

- Added support for showing battery level for AirPods series

- Added more fonts, signal and Wi-Fi icons

- Allow to set lockscreen clock font

- Allow to adjust display's RGB color balance

- Allow to change volume dialog position in landscape mode

- Allow to mute media volumes via alert slider for bluetooth devices

- Allow to disable heads up notification in landscape mode

Device changelog

- Updated blobs from OOS 11.F.20

- Fixed OnePlus Camera slow motion and 4K 30 and 60 FPS video modes force close

- Minor audio improvements

Note

- Security patch merge is skipped this month due to huge changes in QPR2. It will come in next month release with April security patch
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] PlasmaR22:
Something is wrong, I tried to sideload it over and over but it never booted.

It says the system is corrupted.

I also tried with other recovery, but it does the same.

(other roms flash just fine, so it's not due to flash steps)

Flashed from OOS12 EU F_20
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
Hmm. My 7T Pro booted. Can you try this steps once

[TOOL][Windows] Fastboot Enhance [Payload Dumper & Image Flasher]

Fastboot Enhance What it can do? - Show fastboot vars - Switch between fastbootd & bootloader - Switch between A & B slot - Flash Payload.bin in fastbootd - Flash images - Erase partitions - Delete logical partitions - Create logical partitions...

xdaforums.com
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
ADB sideload worked for me, I was even rooted but I am using OOS12 IN F.20 so I dunno. Kept root by rebooting to bootloader right after the update reboot and flashing the magisk patched boot img.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
Do any other roms have a working portrait mode or working fully OnePlus camera?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fanticgamerw633:
CrDroid 8.1 had working portrait mode on OOS camera but I think slow mode was broken. But this was A12 so I dunno if the same is possible in A13.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] PlasmaR22:
Do I have to flash the oos12 payload.bin with this tool?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] xnetcat:
I am having the exact same issue, also using EU build variant. Tried both OOS12 and OOS11 (with firmware update)
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] amitkuliyal:
I also facing the same issue, from this morning i was trying other roms and they all worked fine, but this latest update won't work, I get this error: " Can't load android system. Your data may be corrupt ....." . So this means it's happening with everyone?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] amitkuliyal:
Well, I don't know why anyone didn't mention here but there is some issues with the latest build. So rather stay on the previous build or flash the previous one if you are stuck at recovery error.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] gumka77:
Boot.img please 7T Pro :)

Edit: I'm fine now, thank you.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] fauyds:
Extract payload.bin from the ROM, then download payload-dumper-go, and enter "payload-dumper-go.exe payload.bin" then wait boot.img to be extracted. ;)
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] gumka77:
THX. I know how to do it, but I wanted to save my SSD live. :)
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] hanzxdani:
Hi does charging while otg is on work?? I like to use my razer kishi while charging
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] chandu dyavanapelli:
New build up

• Merged April security patch with QPR2 rebase (All features are there compared to last build)

• Added System Vibration QS tile to quickly disable all vibrations

• Allow to restrict per-app network access

• Added auto high brightness mode on strong light environment

• Added more options to long swipe back gesture (Turn on notification panel/qs panel/volume panel; Turn off screen)

• Adjust lockscreen clock spacing for some fonts

• Fixed Gboard translation

• Fixed crash on some games

• Fixed messy settings on multi users

• Fixed showing double statusbar clock randomly

• Fixed high battery drain on pixel launcher

• Fixed disable heads up in landscape mode not working

• Fixed GameSpace crashing in landscape mode for some users

• Fixed NTFS OTG

• Nameless Launcher: Fixed narrow spacing between docker icons when taskbar is on

• Re-link notification and ringer volume (Follow Google stock now. Would add a toggle in feature)

• Removed scheduled mode for dc dimming

• Switched to StagBin for app crash log upload

• Many underhood code improvement

• Other fixes that I may forgot

Device changelog:

• Initial build based on Oxygen OS 11 firmware, so please flash Oxygen OS 11 firmware on both slots before flashing the new build.

• Added FHD+ screen resolution support

Known bugs:

• Randomly OnePlus Camera get stuck, clear camera data will be fix.

Note: This build is blocked for OTA update, please follow flash instructions from here: https://stagbin.tk/fluuomv.

Kernel source for oos 11 builds: https://github.com/chandu078/android_kernel_oneplus_sm8150
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] xnetcat:
do you have an idea on what I could do to disable the front camera popping up after sometime?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] amitkuliyal:
Thanks for the update, just wanted to know if the battery backup has improved or not? As this is the only issue i have with this rom other than this it's great.
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] kostasntamas:
anyone can help me with a proper guide on how to update into the new 7TPro April update? I can't understand from here if this "https://stagbin.tk/fluuomv" means clean install. How to flash/downgrade the firmware, do I need msm tool? I try to flash the recovery.img and install the firmware 11 but I can't boot to recovery mode..please any proper guidance will be appreciated. I'm not new to the flash process.

--SOLVED--

Ok finally I did it..if anyone wants to know my steps here is the guide https://stagbin.tk/ranl0oi
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] SohrabHamza:
Can anyone confirm if OOS 12 firmware is needed for this ROM. Or can we just use OOS11?
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] amitkuliyal:
Sadly nobody replies or help in this thread, don't know why
[OnePlus 7T Pro (Regular & McLaren) ROMs & Dev.] kostasntamas:
OOS 11 Firmware need it for this build

Follow my guide if you have problem installing https://stagbin.tk/ranl0oi