PREREQUISITES:

Download Necessary Files:

Your device model — Stock ROM (firmware) for Realme 3.

Realme USB drivers.

(Or other flashing tools for Realme devices).

Install USB Drivers:

USB drivers will be required to be installed on your Computer so that your PC and Realme can communicate with each other.

Charge your device:

Your device (Realme 3i) must contain enough battery backup for the flashing process.

How to Flash Realme 3 Firmware:

Step 1: Install SP Flash Tool

You can download the latest version of the SP flash tool here.

Step 2: Download the Firmware for Realme 3

Make sure to download the proper firmware for your specific model of Realme 3 from the official Realme support website or other reliable websites.

Step 3: Decompress Firmware Files

Unzip the firmware you have just downloaded to a folder on your PC.

Step 4: Activate USB Debugging in Realme 3

On your Realme 3: Settings > About phone.

Enable Developer Options by tapping ”Build number” 7 times.

Now head back into “Settings,” head back and find “Developer options” — and enable “USB Debugging.”

Step 5: Power Off Realme 3

Step 1: Power off your Realme 3 completely.

Step 6: Download Realme 3 USB Driver and Connect Realme 3 to PC

Connect your Realme 3 with the computer via USB cable.

Step 7: Open SP Flash Tool

Open SP Flash Tool on your PC.

Step 8: Load Scatter File

Load scatter from EXTRACTED FIRMWARE FILES using FOLLOWING OPTIONS in SP FLASH TOOL

Step 9: Begin Flashing

To begin the flashing by SP Flash Tool click on the Download button.

Step 10: Wait for Completion

Therefore, just sit back and wait until the flashing is finished. Status: Green check mark, Reboot: YES (successfully flashed)

Step 11: Disconnect Realme 3

Now unplug your Realme 3 from the computer.

Step 12: Power On Realme 3

Power on your Realme 3. The first boot could take a little while, as the new system is being configured.

IMPORTANT POINTS:

Make sure your device has enough battery before the flashing process.

Use a good quality USB cable and connect your device to the machine directly.

Be sure to follow the directions given by the firmware and SP Flash Tool.

To get started, flash a stock firmware image — though be warned: the process will wipe your device, so make sure to back up any important data.

Before proceeding further these guidelines are based out of flashing the Realme MTK and Qualcomm device. The exact steps may vary somewhat depending on the firmware and version you have installed. Thus we cannot be held for these instructions. Always consult the official documentation and resources for your tool and device.