Realme 9 RMX3521 Flash File Firmware Stock Rom Free

Realme 9 RMX3521 Flash File Firmware
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Realme 9 RMX3521 Flash file can be used to fix hangs on the logo and delete all screen locks. This file will delete all types of screen locks such as patterns and FRP after flash. Always use the latest flash files to flash Realme 9 Check the device version with code calls * # 899 # in an emergency call. Download the file with a direct download link given below and read all the instructions blinking before the cellphone flash.

Realme 9 Full specification:

The Realme 9 was launched in India with a 6.4-inch Super AMOLED display with a 90Hz refresh rate. It is powered by the Snapdragon 680 SoC, paired with 8GB of RAM, and sports three rear cameras with a 108 MP sensor. , an 8 MP ultra-wide sensor, and a 2 MP macro camera. On this page, we will tell you how to download and install the official firmware file on Realme 9 RMX3521. This tutorial is easy to follow. Realme 9 is powered by Qualcomm Snapdragon 680 4G processor powered by Android 11.0 running Realme UI 2.0.

What is Firmware

If you are facing software problems like WiFi or Bluetooth issues, lag, Bootloop, or hard bricked, you can fix the device by following this tutorial. Using the firmware file allows you to bypass FRP lock, pattern lock, downgrade, or upgrade, and you can solve many software problems by deleting the stock firmware.

Why Need Realme Firmware

Here are some benefits of installing the firmware on your Realme 9 RMX3521:

  • If your device is dead, you can unbrick using the Stock ROM file
  • You can repair or fix IMEI on your device using Stock ROM DB Files
  • Remove malware or adware from Realme 9
  • You can fix the boot loop problem on Realme 9
  • Fixing the app has stopped errors on Realme 9
  • Fixed network issues
  • Fix Root Boot Image Using Magisk: MediaTek’s Guide or Spreadtrum’s Guide
  • You can flash Realme 9
  • To reset or remove FRP on your device: Mediatek FRP Guide or Spreadtrum FRP Guide
  • Restore Realme 9 to the factory state

Firmware Description

  • Device Name: Realme 9 RMX3521
  • Gapps File: Included
  • Recommended Tool: Qualcomm Flash Tool
  • Processor: Qualcomm Snapdragon 680 4G
  • Android OS: 11.0

Download Realme 9 RMX3521 Flash File

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Steps to Install Stock Firmware on Realme 9 RMX3521

Now, before jumping straight into the product installation process on Realme 9 RMX3521, let’s check some requirements.


  • Devices supported: Realme 9 RMX3521
  • Make sure you charge your device more than 50%
  • You need a PC or laptop with a USB cable. Make a full backup using one of the methods given below
  • Full data backup without root
  • Nandroid backup via TWRP
  • Download All USB Drivers and Flash Tools

How To Flash Realme 9 RMX3521 With MSM Tool

  • Download and Extract Realme Flash File on the computer.
  • Run the flash tool.
  • In the icon you see, double-click the MSM download tool and enter your login credentials.
  • Please turn off your cellphone and connect it to the PC by pressing the volume button down and volume.
  • This will lead to success in flashing.
  • Enjoy using the latest version of the official Oppo firmware.
  • When you download the Oppo firmware, you can be sure that you have the latest and most reliable firmware file.

How To Backup Your Important Data?

Initially connect your mobile device with a PC or laptop OK. Now you can choose MTP [media transfer protocol]. And then copy your device information and save it on a PC or laptop. For more details click here

Please back up your data before upgrading to Android. If you want to downgrade your device’s software version to Android Lower Version by an official software package, it may cause erase all data from your device be sure to backup your important data before Updating!


We are on and will not be liable for any damage/error that may occur to your phone while following this tutorial. Proceed at your own risk.

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