OnePlus finally launched their new flagship killer called OnePlus 9RT 5G model in India with Qualcomm Snapdragon 888 SoC, AMOLED display, 12GB RAM support, and...
Abd Razaaq
Last updated on June 23, 2026
Abd Razaaq
Author
I'm a Tech Content Writer and Full-Time blogger. Since I love Android and Google's device, I started my career in writing for Android OS and their features. This led me to start "GetDroidTips". I have completed Master of Business Administration at Mangalore University, Karnataka.
OnePlus finally launched their new flagship killer called OnePlus 9RT 5G model in India with Qualcomm Snapdragon 888 SoC, AMOLED display, 12GB RAM support, and runs on a 4,500mAh battery. The device sports a triple rear camera setup which features a 50 MP Sony IMX766 primary camera with an f/1.8 lens.
If you’re using a OnePlus 9RT 5G or planning to buy it, then this guide is for you. In this tutorial, we will share the latest OnePlus 9RT 5G firmware flash file and guide you on how to install it on your device.
Sometimes, Android users try to use any Custom ROMs or any other mods for more features or customizations. In these situations, the device may not work like before or you may experience errors or lags. Otherwise, sometimes the default Stock ROM can also work slowly or have some performance or app running issues. Therefore, doing a factory reset may fix the issue. But even factory reset won’t come in handy, then you should re-install the Stock ROM. Flashing Stock Firmware again on your device will give you a better experience like a new device.
The Oneplus 9RT 5G features a 6.62 inches FHD+ AMOLED panel with a resolution of 1080p x 2400 pixels. It is a high refresh rate panel with a 120 Hz refresh rate. Under the hood, we have the Qualcomm Snapdragon 888 which is an octa-core processor with one Kryo 680 core clocked at 2.84 GHz, three Kryo 680 cores clocked at 2.42 GHz, and four Kryo 680 cores clocked at 1.80 GHz. For handling the graphics-intensive tasks, we have the Adreno 660.
In terms of optics, we get a 50MP primary sensor paired with an f/1.8 lens, a 16MP ultrawide sensor paired with an f/2.2 lens, and a 2MP macro sensor paired with an f/2.4 lens. There is a 16MP sensor at the front which is paired with an f/2.4 lens. The front camera can record 4K videos at 60fps, while the front camera is limited to 1080p recording at 30fps.
There are three storage options available for this smartphone: 128GB + 8GB RAM, 256GB + 8GB RAM, and 256GB + 12GB RAM. In terms of communications, we get Wi-Fi 802.11 a/b/g/n/ac/6, Bluetooth 5.2, GPS, NFC, and USB Type-C 2.0. And for the sensors, we have an under-display optical fingerprint sensor, accelerometer, gyro, proximity, and compass. Powering it all is a 4500 mAh battery that supports 65W fast charging. The company claims that the device can go from 0 to 100% in less than 30 minutes. There are three color variants of this smartphone: Hacker Black, Nano Silver, and Blue.
What is a Stock ROM?
If you are facing issues like Screen freezing, touch unresponsive, camera error, app loading time lag, etc then this guide is for you. Even your OnePlus 9RT 5G device may get bricked or stuck in a boot loop issue for any reason. By installing the Stock ROM on the handset will back everything on track. Meanwhile, you can either install the fresh Stock Firmware on the OnePlus 9RT 5G or update the system software also.
Google’s Android OS is based on open-source software and runs on the Linux platform. Due to its customizable options, advanced users or developers can install Custom ROMs, Kernels, Mod files, and more. But sometimes thing doesn’t go in the right way and you may find some errors or stability or performance issues on your device. In these cases, installing Stock Firmware will come in handy.
Advantage of Stock Firmware
Flash Stock ROM to Unbrick your device.
Fix the device boot loop issue.
Upgrade and Downgrade the Stock software version.
Unroot the device easily.
Fix the lag or software issues on the OnePlus 9RT 5G.
Revert back to Stock ROM to gain device warranty again (if any).
OnePlus 9RT 5G Firmware Flash Files
Software Version
Changelog
OxygenOS 13
India (MT2111_11.F.11)
Full OTA
Adds Aquamorphic Design theme colors for enhanced visual comfort.
Applies the Aquamorphic Design philosophy to animations to make them natural and vivid.
Adds Shadow-Reflective Clock, with shadow simulating the orientation of the sun and moon.
Adds a Home screen world clock widget to show the time in different time zones.
Upgrades to Quantum Animation Engine 4.0, with a new behavior recognition feature, which recognizes complex gestures and provides optimized interactions.
Optimizes UI layers for a clearer and neater visual experience.
Applies real-world physical motions to animations to make them look more natural and intuitive.
Optimizes the widget design to make information easier and quicker to find.
Optimizes fonts for better readability.
Optimizes system icons by using the latest color scheme to make the icons easier to recognize.
Enriches and optimizes illustrations for features by incorporating multicultural and inclusive elements.Aquamorphic Design
Adds Meeting Assistant to enhance the meeting connecting and note-taking experience, and introduces an option to make notifications more subtle and less distracting.
Adds large folders to the Home screen. You can now open an app in an enlarged folder with just one tap and turn pages in the folder with a swipe.
Adds a new type of Always-On Display that shows live information about music, ride-hailing, and food delivery (Supports only some apps).
Adds media playback control, and optimizes the Quick Settings experience.
Adds more markup tools for screenshot editing.
Adds support for adding widgets to the Home screen, making information display more personalized.
Adds Sidebar Toolbox. You can open a floating window inside apps for smooth operation.
Upgrades Doodle in Notes. You can now draw on graphics to take notes more efficiently.
Optimizes Shelf. Swiping down on the Home screen will bring up Shelf by default. You can search content online and on your device.Efficiency
Optimizes cross-device file transfer, with more file formats and device models supported.
Optimizes Screencast, with cast content automatically adapting to the target screen.
Optimizes earphone connectivity to deliver a more seamless experience.Seamless interconnection
Optimizes Bitmoji to offer more Always-On Display animations.
Optimizes Insight Always-On Display, with more personalized Always-On Display settings available.
Optimizes Portrait Silhouette Always-On Display, with more drawing tools and line colors available.Personalization
Adds an automatic pixelation feature for chat screenshots The system can identify and automatically pixelate profile pictures and display names in a chat screenshot to protect your privacy.
Adds regular clearing of clipboard data for privacy protection.
Optimizes Private Safe. The Advanced Encryption Standard (AES) is used to encrypt all files for enhanced security of private files.Security & Privacy
Adds Kid Space. When in Kid Space, your browser app automatically switches to Kids mode to create a child-friendly space.
Adds Eye comfort in Kid Space to protect children’s vision.Health & Digital wellbeing
Adds Dynamic Computing Engine to improve the system speed, stability, battery life, and app experiencePerformance optimization
Gaming experience
Upgrades to HyperBoost GPA 4.0 to stabilize the frame rate and balance the performance and power consumption in key scenarios.
A.10
India (MT2111_11_A.10)
Incremental update from A.09
System
Optimized network stability
Improved system stability
Updated Android security patch to 2022.06
Camera
Fixed the occasional issue that camera crashed abnormally
ColorOS 12 A.07
Download Link
ColorOS 12 Update
ColorOS 12 A.06
Download Link
ColorOS 12 Update
ColorOS 12 A.08
Download Link
ColorOS 12 A.11
Download Link
ColorOS 12 Update
OxygenOS 11.3 A.07
India
Full OTA
Incremental from A.06
System
Optimized power consumption, improved battery life
Fixed the issue that speaker unable to play sound in some scenarios
Fixed the low probability issue of blurred screen when in the bright environment
Improved system stability
Updated Android security patch to 2022.03
OxygenOS 11.3 A.04
Incremental update from OxygenOS A.03
Incremental update from OxygenOS A.02
System
Fixed the issues of black screen and screen flickering when making calls
Improved system stability and fixed known issues
We will keep updating the firmware details whenever a new update will be available for this device.
Steps to Install Stock Firmware on OnePlus 9RT 5G
Before installing the stock ROM on your OnePlus 9RT 5G, make sure to follow all the pre-requirements at first and install the required drivers, firmware, and other tools on your PC as well.
Pre-Requirements:
The firmware is only supported for the OnePlus 9RT 5G models. Don’t try it on other devices.
You will require a Windows PC/Laptop and a USB cable as well.
We’re at GetDroidTips won’t be responsible for any kind of damage or error that occurs to your phone while or after following this guide. Make sure to take a backup first and do it at your own risk.
First method via Local upgrade
Download the firmware OTA zip file from above and move it to the internal storage on your OnePlus 9RT 5G device.
Now, head over to the Settings > System Updates > tap on gear icon > use the Local Upgrade.
Select the firmware file which you’ve downloaded before.
You will see a pop-up screen to upgrade your device, tap on Upgrade Now.
Next, the device will reboot and flash the OTA file via Stock Recovery.
The device will boot into a new system.
Then turn off the phone > press and hold the Volume Down + Power button together for a few seconds to enter into recovery mode.
Go to Wipe data and cache & select Erase everything.
If you want to install the Stock ROM on your OnePlus 9RT 5G handset manually, then follow the below-mentioned guide properly. Here we have shared the ADB Sideloading method in order to flash the Stock ROM on your OnePlus device.
We assume that this article is useful to you and you’ve successfully updated or installed the Stock ROM flash file on your OnePlus 9RT 5G device. If you have any queries, let us know in the comments below.
