Realme Narzo 70X RMX3998 Flash File (Firmware) Download Free

The Realme C65 is an Android smartphone released in 2020. Like other Android devices, it may sometimes require flashing the stock firmware to fix software issues or restore the device back to factory settings. This article provides instructions on how to download the official Realme Narzo 70X RMX3998 flash file/firmware for free.

Realme Narzo 70X RMX3998 Flash File

When do you need to flash firmware?

There are a few reasons why you might need to flash the firmware on your Realme Narzo 70X RMX3998:

To fix a bricked phone. A bricked phone will not boot up properly. This can happen for a variety of reasons, such as a failed software update or a hardware failure. Flashing firmware can often fix a bricked phone.

To install a custom ROM. A custom ROM is a modified version of the official firmware. Custom ROMs often offer new features and performance improvements.

To downgrade to a previous version of firmware. If you are not happy with a new firmware update, you can flash back to a previous version.

Download Realme Narzo 70X RMX3998 Firmware

Realme C65 USB Driver


  • Realme Narzo 70X RMX3998 smartphone
  • MSM Download Tool installed on your PC
  • Realme C65 stock ROM firmware file
  • USB cable to connect phone to PC

Steps to install firmware on Realme Narzo 70X RMX3998

  • Download MSMDownloadTool and matching Realme firmware.
  • Extract both to your computer.
  • Switch off your phone (consult a guide for specific boot key combinations if needed).
  • Connect your phone to your PC and launch MSMDownloadTool as administrator.
  • Select the firmware package (often a .pac file) and click "Start" to flash.
  • Wait patiently for completion and restart your phone once done.


Always back up your phone before flashing firmware. This way, you can restore your data if something goes wrong.

Make sure that your phone is fully charged before flashing firmware.

Do not disconnect your phone from your computer while the firmware is being flashed.

If you encounter any problems while flashing firmware, consult the SPD Upgrade Tool documentation or a forum such as XDA Developers.

Related Post:

Realme C35 RMX3511 Flash File

Realme C1 RMX1811 Flash File


Installing the official Realme Narzo 70X RMX3998 stock firmware can help you fix a variety of software issues with your device. Realme provides these flash files for free through its firmware download page. Just select the correct model number and variant before downloading the firmware zip file. Carefully follow all instructions when flashing the stock ROM using recovery mode. This should successfully upgrade or restore your Realme phone back to working order.

If you have any questions or difficulties flashing the firmware, please do not hesitate to contact me.

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