On this page, we will guide you on how to install the official stock Firmware flash file on your Realme C21Y RMX3261/RMX3262/RMX3263. Well, the device is based on Android 11 which is powered by the Spreadtrum Unisoc T610 processor. This guide will be helpful to unbrick or fix any software issues on your device.

To install the firmware flash file on Realme C21Y RMX3261/RMX3262/RMX3263, you need to download the software called SPD Flash tool (also known as Spreadtrum flash tool). This method is simple and easy. We have also added video and step-by-step tutorials to make things easier to flash the firmware file.

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Advantages of Stock ROM:

Here are the answers to why you need to download and save the Realme C21Y Stock ROM flash file on your computer.

  • If your device is dead, you can unbrick using the Stock ROM file
  • You can fix or repair the IMEI on your device using DB files from Stock ROM
  • Remove any malware or Adwares from Realme C21Y
  • You can fix the boot loop issue on Realme C21Y
  • Fix Unfortunately, the app has stopped errors on Realme C21Y
  • Fix Network related issue
  • Patch Boot image to Root using Magisk: Mediatek Guide or Spreadtrum Guide
  • You can unroot Realme C21Y
  • To Reset or Remove FRP on your device: Mediatek FRP Guide or Spreadtrum FRP Guide
  • Restore Realme C21Y back to Factory State

How to Flash Realme C21Y RMX3261/RMX3262/RMX3263 Firmware File

Before installing the Stock ROM on your Realme C21Y, you should download the firmware flash file. Then download and install the USB Drivers and flash tool on the PC as well. Once you’re done with these, you can proceed to the steps below. But let’s take a quick look at the Stock Firmware importance and firmware details below.

Pre-Requirements:

  • Supported device: Realme C21Y
  • Make sure to charge your device more than 50%
  • You need a PC or Laptop with a USB cable.
  • Take a complete backup of your android phone
  • Download Drivers and Tools: Spreadtrum drivers, SPD Flash Tool, and Realme USB Drivers

Realme C21Y RMX3261/RMX3262/RMX3263 Flash Files

  • Firmware File Name: RMX3262_11_A.91

  • File Size: 5.7 GB

  • Firmware File Name: RMX3261_11_A.91

  • File Size: 5.7 GB

  • Firmware File Name: RMX3263_11_A.91

  • File Size: 5.7 GB

  • Firmware File Name: RMX3263_11_A.84

  • File Size: 3.1 GB

  • Firmware File Name: RMX3261_11_A.83

  • File Size: 4.2 GB

  • Version: Android 10

  • Firmware File Name: RMX3261_11_A.75

  • File Size: 4.2 GB

  • Version: Android 10

  • Firmware File Name: RMX3262_11_A.71

  • File Size: 4.2 GB

  • Version: Android 10

  • Firmware File Name: RMX3262_11_A.59

  • File Size: 4.2 GB

  • Version: Android 10

  • Firmware File Name: RMX3262_11_A.51

  • File Size: 4.2 GB

  • Version: Android 10

  • Flash File Name: RMX3262_11_A.37_20210626022133

  • File Size: 4.2 GB

  • Android Version: 11.0

Instructions to Install: via SPD Flash tool

Now, without wasting any more time, let’s jump into the firmware installation steps below:

That’s it, guys. We hope that you’ve installed the Stock Firmware on your Realme C21Y RMX3261/RMX3262/RMX3263 device successfully. Feel free to ask in the comments below for any queries.