
Code:
/*
* Your warranty is now void.
*
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*/
AncientOS is a Beautiful Custom ROM based on AOSP that aims to provide a unique UI with some useful feautures for customization.

Here are the features & customizations which AncientOS provides.
Code:
[LIST]
[U][B]Ancient Stuff:[/B][/U]
[•]Refined UI with several OneUI touches and an old vibe with intricate patterns in the Settings App.
[•]Lots of status Bar mods.
[•]Lots of new Status bar icons.
[•]Lots of Headers Styles.
[•]Lots of new Headers Clocks and Date Styles.
[U][B]STATUSBAR:[/B][/U]
[•]Statusbar icons.
[•]Traffic indicators.
[•]4G Icon Instead of LTE.
[•]VoLTE icon toggle.
[•]Clock Customization.
[•]Battery Customization.
[•]Battery Bar.
[•]Old mobile type indication.
[•]Statusbar padding preferences.
[•]Battery percentage while changing.
[U][B]Navigation Bar:[/B][/U]
[•]Navbar invert layout.
[•]Enable/Disable Navbar.
[U][B]QUICK SETTINGS:[/B][/U]
[•]QS brightness slider position.
[•]Battery percentage selection.
[•]Auto brightness icon toggle.
[•]Brightness control buttons.
[•]Quick pulldown option.
[•]Kill app button.
[•]Vibrate on touch.
[•]Blur behind QS.
[•]QS panel Opacity.
[•]Tint QS toggles.
[•]Battery Customization.
[•]QS Header.
[U][B]LOCKSCREEN:[/B][/U]
[•]Lots of new Clocks
[•]Lots of Fonts for Lock, Date and Owner Info.
[•]Lots of new Date styles.
[•]Charging info.
[•]Fingerprint Authentication Vibration.
[•]Unlock keystore with fingerprint after reboot.
[•]Lockscreen Weather.
[•]Lockscreen visualizer.
[•]Lockscreen media art and Blur customization.
[•]Disable Quick Settings panel on secure lockscreen.
[•]Lockscreen charging animation.
[U][B]BUTTONS:[/B][/U]
[•]H/W keys customization.
[•]H/W buttons backlight customizations.
[•]Power Light control.
[U][B]NOTIFICATIONS:[/B][/U]
[•]Headsup Customizations.
[•]Incall Vibrations.
[•]Less boring Headsup.
[•]Headsup snooze & timeout option.
[U][B]MISC:[/B][/U]
[•]Three Finger Screenshot.
[•]Wake on plug.
[U][B]Others:[/B][/U]
[•]Doubletap or longpress power to toggle flashlight.
[•]Vibrate in in-call settings.
[•]RGB Accent picker.
[/LIST]

Code:
[LIST]
[U][B]Changelogs v7.1[/B][/U]
Changelogs :[/CENTER]
Android Version : Android 13
[LIST]
[*]Image picker Header Img
[*]Anci Ls Clock
[*]Fixed some NPE
[*]Update pixelprops
[*]Disable ripple unlock animation
[*]Fixed wired charging animation
[*]Added LS clock format
[*]Added some LS font
[*]Added LS clock color
[*]Added dt2s on lockscreen
[*]Added ambient customizations
[*]Added volume long press skip tracks
[*]Added double tap to trigger doze
[*]Fixed cannot disable volume app
[*]For QPR 2 We Will Need to Rebase The Source which is going to require some more time
[/LIST]
[CENTER]
Support for ancient family by donating
Paypal -> Paypal
(http://paypal.com/paypalme/rezaadipangestu)Saweria -> Saweria (https://saweria.co/IDONTCARE)
[/LIST]

Download ROM Here!
GApps Build

Make Sure you are Flashing it over OnePlus Firmware/ Don't flash it over Color os Firmware!!
FLASH
Flashing AncientOS
For OnePlus 9/9 Pro Prerequisites *** NOTE Dirty flashing from OOS12 based version is fine. The required firmware is included in the ROM. !!! DANGER When coming from OOS to Ancient OOS13 based ROM you need to have OOS13 installed. !!! DANGER For OOS12 based build the required firmware is...
First boot will take few minutes! Have patience!
Clean Flash is always recommended!

Ancient-Devices Source
Kernel Source
Telegram
Ancient Group
Ancient Channel
Device Support Group

AOSP
LineageOS
SuperiorOS
DotOS
PixelExperience
AospExtended
Syberia OS
Nitrogen OS
Pixys OS
ArrowOS
MSM-Xtended
HavocOS
BootleggersROM
ABC
Rebellion
Komodo
Durex aka Corvus
DerpFest
Evolution-X
OMNIROM
AOSIP
Liquid Remix
Resurrection Remix
Dirty Unicorns
Bliss
ExtendedUI
AICP
MoKee
RevengeOS
Yodita
POSP
ION
crDroid
GZOSP
Colt-Enigma
REPORT BUGS AND NO FORM OF ETA ASKING PLEASE!
As soon as the problem occurs, take a logcat!
for more details READ THIS

If you like our work then please consider donating.
Support Lead Developers:
https://www.paypal.me/rezaadipangestu
https://www.paypal.me/baloseribu
Support Device Maintainer:
https://paypal.me/eduardoroms
XDA:DevDB Information
AncientOS For OnePlus 9 Pro [lemonadep]
Contributors:
Chandu, for the tree base!
Thanks To:
@Ashutosh Sundresh, @chandu dyavanapelli, @san9 @zahidm and many others that have helped along the way!
Thanks for Testing:
@jhoopes519
Source Code: https://github.com/Evolution-X-Devices/kernel_oneplus_sm8350
ROM OS Version: Android 13
ROM Kernel: Linux 5.4.x
Based On: AOSP
Version Information
Status: Stable
Current Stable Version: v7.1
Stable Release Date: 2022-09-06
Last Updated 2023-03-26
Code:
Last edited: