Download and Install AOSP Android 13 on Realme C3 (RMX2020)

On this page, we will guide you to install the unofficial Android 13 Custom ROM on Realme C3 (codenamed RMX2020). If you are someone who wants to install the vanilla version of Android 13, then this guide is for you. The device comes with Helio G70, the only smartphone in this segment to sport this powerful chipset. The device came out of the box with Android 10 under Realme UI 1.0 skin.

Download and Install AOSP Android 13 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 13 and Its Features

Google has finally started rolling their stable Android 13 update to the public. As expected, only Google has released the update to their Pixel lineup, but no OEM has started cooking a stable yet.

Regarding the Android 13, it seems that the Android 12’s successor has plenty of additional features and improvements to its predecessor. We’ve already seen and used the major UI and design element changes in Android 12 last year, known as ‘Material You.’ This materialistic theming design enhanced the Android user experience from the minimal subtle look, rounded corners, improved pop-ups, etc.

Whereas the improved scrolling screenshots, optimized one-handed UI mode, better privacy & security features, improved app notifications, per-app basis language preferences, app permissions to send notifications, BT LE Audio support, auto theme icons, updated now playing widget, etc. Users will also find intuitive QR scanner support, enhanced silent mode, tap-to-transfer media controls, multiple profiles for NFC payments, and more.

What’s Working and Known Bugs:

Whats working?

Mobile data
FM radio

Known issues ?
You tell me

How to Install AOSP Android 13 on Realme C3 (RMX2020)

As the title suggests, we’ve shared the requirements and steps to flash the AOSP Android 13 build on the Realme C3 (RMX2020) variant.

Before heading over to the guide, make sure to follow all the requirements below.


Before we begin with this procedure, I would 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. Make sure to keep at least 50% of 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 command (platform-tools), you’ll be able to boot your Android device into the bootloader mode (download mode), which will be easy for you to proceed with further steps. ADB (Android Debug Bridge) creates a connection or bridge between the device and 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

A USB Driver is a set of files that allows you to create a successful and strong connection between a mobile device with a computer properly using a USB data cable. It’ll be useful to transfer files between the connected devices, flash files on the handset, and more.

It’s also worth mentioning that mobile devices and other external devices can use and run USB Drivers on a Windows computer. Such as a mouse, keyboard, printer, external hard drives, speakers, USB flash drives, etc. You can grab Realme USB Drivers here.

Unlock Bootloader Your Phone:

You must first unlock the bootloader on your Realme C3 to enjoy any custom ROM.

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 13 ROM:

Here, you will find all the Android 13 custom ROM for your Realme C3 (RMX2020).

Android Open Source Project XDA Development Page
ArrowOS XDA Development Page
PixelOS XDA Development Page

Download Android 13 Gapps:

It’s worth mentioning that most of the third-party AOSP (Android Open Source Project) ROMs (also known as aftermarket firmware) come without any preinstalled Google apps package. You can manually install the Android 13 GApps by following 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 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 by using the Volume and Power button combination. your device to TWRP Recovery:
    adb reboot recovery
  4. Now head over 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, then you need to flash it at this instance itself. 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

Your device will now boot to the newly installed OS. With this, we conclude the guide on installing the AOSP Android 13 on Realme C3. Remember that the first boot might take time, and you might have to set up your device from scratch.


Flashing the ported Android 13 on your Realme C3 will give you an early taste of the latest Android OS version. It looks like the Realme C3 model won’t officially receive the Android 13 update from the manufacturer. So, it’s a good idea to get most of the features and visual treatment. However, if you find any extra bugs or stability issues, you should 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.


  1. Have you yourself tried flashing Android 13 on your own realme C3 or is it just the steps to do so?

    I would like to know how reliable it is?

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