Download and Install AOSP Android 14 on Realme C3

On this page, we provide a step-by-step guide on how to install the unofficial Android 14 Custom ROM on the Realme C3, codenamed “RMX2020.” If you’re looking to install the pure version of Android 14, then you’re in the right place.

Download and Install AOSP Android 14 on Realme C3

Realme C3 Overview

The Realme C3 sports a 6.52-inch IPS LCD display with a resolution of HD+ i.e. it has a resolution of 720×1600 pixels and with a waterdrop notch. The display has a pixel density of 269 pixels per inch ( PPI ) and with an aspect ratio of 20:9. This display has also come with a Corning Gorilla Glass protection. Underneath the Realme C3, it sports the latest octa-core MediaTek Helio G70 chipset; this chipset has awesome capabilities. Coming to the internals of this octa-core G70 SoC, it has two Cortex-A75 cores which clock at 2GHz and to the rest it has six Cortex-A55 cores which clocks at 1.7GHz. This SoC is built on the 12nm process and this SoC is a major upgrade over the Helio P22 which was inside the Realme C2.

Further, the device pairs with 3GB and 4GB of RAM. It has either 32GB or 64GB internal storage options. This internal storage is also further expandable via a micro SD card slot up to 256GB. The device has a dedicated SIM card slot, unlike the hybrid SIM card slot which we have seen on many devices. In this type of SIM card slots, we can insert two Nano type SIM cards and at the same time a micro SD card too.

Coming to the optics department, the Realme C3 sports a dual rear camera setup. This rear camera setup packs a 12MP primary sensor with an f/1.8 aperture value and a pixel size of 1.25-micron. For assisting this sensor, there is a secondary 2 MP sensor with an f/2.4 aperture value and a pixel size of 1.75-micron. The camera on Realme C3 will offer features like Chroma Boost, slow motion video recording, HDR, and panorama selfie. To the front, the device sports a 5 MP sensor that will be used for selfies and video calling.

The Realme C3 packs a 5,000 mah battery and still has a micro USB port. We don’t know when will Realme start using USB type C port in their budget smartphones. And this battery doesn’t come with support for fast charging. The device runs on the latest Android 10 which is based on Color OS 7. Connectivity options on the Realme C3 include Wi-Fi 802.11 b/g/n, GPS, Bluetooth v5.00, USB OTG, Micro-USB, FM radio, Wi-Fi Direct, 3G, and 4G (with support for Band 40 used by some LTE networks in India) with active 4G on both SIM cards.

Android 14 and Its Features

Android 14, Google’s fourteenth major iteration and the 21st version of its renowned operating system, was unveiled to the public on October 4. The pioneering devices graced with this fresh release were the Pixel 8 and Pixel 8 Pro, underscoring Google’s commitment to keeping its flagship devices at the technological forefront.

This latest installment boasts a plethora of enhancements and innovative features. Among the standout additions are a revamped lock screen, a more intuitive system share sheet, and a redesigned battery-saving mode. Users can also delight in the convenience of drag-and-drop capabilities during app switches, a groundbreaking Ultra HDR support for media, and the visually striking Material You-themed settings toggles. With AI-generated wallpapers and a new monochromatic theme, Android 14 not only refines functionality but also offers a refreshed aesthetic experience.

What’s Working and Known Bugs:

Whats working?

Mobile data
FM radio

Known issues ?
* Hotspot may lag out when trying to turn it off

How To Install AOSP Android 14 on Realme C3 (RMX2020)

As the title indicates, this article provides the necessary steps and requirements to install the AOSP Android 14 build on the Realme C3 (RMX2020) model.

Before diving into the guide, please ensure you’ve met all the prerequisites listed below.


Before we begin this procedure, I strongly recommend you create a backup of your device storage and all your files stored on your device. Moreover, following the steps mentioned in this post carefully is advised to avoid permanent damage or bricking your device.

Charge Your Phone

It’s highly recommended to charge your handset before unlocking the bootloader to avoid your device from shutting down occasionally while going through the process. Keep at least 50% of the charge or higher for a smooth operation.

Download ADB and Fastboot Binaries

You can skip this adb and fastboot part if you have already installed TWRP Recovery on your Realme C3.

Using the ADB and Fastboot commands (platform-tools), you can boot your Android device into the bootloader mode (download mode), making it easy for you to proceed with further steps. ADB (Android Debug Bridge) creates a connection or bridge between the device and the computer to sideload files.

Fastboot is a more advanced command utility tool for Android devices that works with computers. You can download ADB and Fastboot Binaries (Platform-Tools).

Download Realme USB Drivers

To create a strong and successful connection between a mobile device and a computer using a USB data cable, you will need a USB Driver. It is essentially a set of files that enables you to transfer files between the connected devices, flash files on the handset, and much more.

It is important to note that USB drivers can be utilized and operated by mobile devices and other external devices on a Windows computer. These include but are not limited to mice, keyboards, printers, external hard drives, speakers, and USB flash drives. If you need to download Realme USB drivers, you can find them here.

Unlock the Bootloader of Your Phone:

You need to unlock the Realme C3’s bootloader before installing custom ROMs.

Install TWRP Recovery:

You must install TWRP Recovery on your phone to install any custom ROM on your device. After unlocking the bootloader, follow our guide to install TWRP Recovery on your Realme C3.

Download Android 14 ROM:

You will find all the Android 14 custom ROMs for your Realme C3 (RMX2020) here.

PixelOS XDA Development Page
AOSP OS XDA Development Page

Download Android 14 Gapps:

Most third-party AOSP ROMs, also known as aftermarket firmware, do not include preinstalled Google apps. You can manually install Android 14 GApps with our guide.


GetDroidTips won’t be responsible for any issue that may happen to your device if you flash it on another device and brick it. Do it at your own risk.

Instructions To Install:

  1. Connect your device to the PC via a USB cable. Make sure USB Debugging is enabled.
  2. Then head over to the platform-tools folder, type in CMD in the address bar, and hit Enter. This will launch the Command Prompt.
    cmd platform-tools
  3. Execute the below command in the CMD window or enter recovery mode using the Volume and Power button combination to boot your device to TWRP Recovery:
    adb reboot recovery
  4. Now head to the Install section and navigate to the downloaded vendor and firmware. Perform a right swipe to flash it.twrp-custom-romTWRP Home
  5. If you want Google Apps as well, you need to flash it at this instance. Go to Install, select the GApps ZIP file, and perform a right swipe to flash this file.
  6. When that is done, you may reboot your device. Head over to Reboot and select System.
    reboot system twrp

The installation of AOSP Android 14 on Realme C3 is complete, and your device will now boot with the newly installed OS. It’s worth noting that the first boot may take some time, and you may need to set up your device from scratch. With that, our guide to installing AOSP Android 14 on Realme C3 comes to an end.


If you want to try out the latest Android OS version on your Realme C3, flashing the ported Android 14 is an option. Although it seems like the Realme C3 won’t receive the official Android 14 update from the manufacturer, you can still enjoy most of the features and visual treatment with this ported version. However, if you encounter any bugs or stability issues, it’s important to report them to the respective forum.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

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