OnePlus Nord N300 CPH2389 Flash File (Firmware) Free Download

On this page, you can download the official OnePlus Nord N300 CPH2389 Flash File Firmware (Stock ROM) completely free. This full firmware package is made specifically for the OnePlus Nord N300 (CPH2389) and can be used to fix a wide range of software problems including bootloop, FRP lock, hang on logo, dead after flash, and general software errors. Follow the steps below to safely restore your device to its original factory condition.

Table of Contents

What is Stock Firmware?

Stock firmware — also known as a flash file or Stock ROM — is the official operating system that the manufacturer pre-installs on a device before it reaches the customer. It contains all the core system files the phone needs to run properly. When your OnePlus Nord N300 CPH2389 develops serious software issues, flashing the stock firmware wipes out all errors and brings the device back to its original out-of-the-box state.

Stock ROMs are device-specific and cannot be shared across different models. Always verify your exact model number before downloading or flashing any firmware to avoid permanent damage to your device.

📱 About OnePlus Nord N300 CPH2389

The OnePlus Nord N300 (CPH2389) is an affordable entry-level smartphone from OnePlus, running Android 12 with OxygenOS on top. It is built around a Qualcomm Snapdragon chipset and designed for users who want a clean, fast Android experience at a budget-friendly price. The Nord N300 was launched primarily for the North American market and has become a popular choice in its segment.

Since the OnePlus Nord N300 CPH2389 runs on a Qualcomm chipset, flashing its firmware requires the Oplus Download Tool along with a valid .ofp firmware file in EDL (Emergency Download) Mode.

⚠️ Important: This firmware is strictly for the OnePlus Nord N300 CPH2389. Do not flash this on any other OnePlus or Oppo model. Always double-check your model number before proceeding.

Why Do You Need Stock Firmware?

To fix hang on logo / bootloop issues
To remove FRP (Factory Reset Protection) lock
To recover a dead or bricked device
To fix “dead after flash” or display blank problems
To resolve lagging, freezing, or app crashing problems
To downgrade or upgrade the Android / OxygenOS version
To perform a clean re-installation of the system software
To remove screen lock (pattern, PIN, password)
To restore the phone to original factory state

📥 Firmware Download Details

Detail	Info
Device Name	OnePlus Nord N300
Model Number	CPH2389
Firmware Version	CPH2389export_11_A.4_221015
OS Version	Android 12 (OxygenOS)
ROM Type	Full OTA / Stock ROM
Region	Export (Global)
Password	None (No Password)
Root Access	No
Flash Tool	Oplus Download Tool

🔗 Download Links

⬇️ CPH2389 Firmware Download

⚠️ Important Note / Disclaimer

Always create a full backup of your personal data before flashing — this process will completely erase your device.
Flashing the wrong firmware or making mistakes during the process can brick your device. Proceed entirely at your own risk.
This firmware is only for OnePlus Nord N300 CPH2389. Do not use it on any other model.
Charge your device to at least 50% before starting to prevent unexpected shutdown during flashing.
GSMxBlog is not responsible for any damage that occurs during or after the flashing process.

⚙️ Pre-Requisites Before Flashing

Before you start, make sure all of the following are ready on your Windows PC:

Install the OnePlus / Oplus USB Driver on your PC.
Install the Qualcomm HS-USB QDLoader 9008 Driver to enable EDL mode communication.
Download the latest Oplus Download Tool from the link provided above.
Download the OnePlus Nord N300 CPH2389 Firmware (.ofp / .zip) from the download link above.
Use a good-quality, original USB data cable for a stable connection during flashing.
Your PC must run Windows 7, 8, 10, or 11 — 64-bit is recommended.
Have a valid OnePlus / Oplus service account ready for tool login (required for SLA-enabled devices).

🔧 How to Flash OnePlus Nord N300 CPH2389 Firmware

Follow these steps carefully to flash the stock firmware on your OnePlus Nord N300 CPH2389:

Step 1: Download & Extract Files

Download the OnePlus Nord N300 CPH2389 firmware ZIP and the Oplus Download Tool from the links provided above. Once downloaded, extract both into the same folder on your PC so everything is easy to locate during the process.

Step 2: Install Oplus USB Driver

Download and install the latest Oplus USB Driver on your computer. This is essential for your PC to detect the OnePlus Nord N300 properly during the flashing process. Skip this step if the driver is already installed.

Step 3: Launch Oplus Download Tool

Open the extracted Oplus Download Tool folder and run Download-tool.exe as Administrator. If your antivirus blocks the tool, temporarily disable it — antivirus software sometimes flags flashing tools as false positives.

Step 4: Log In with OnePlus / Oplus ID

When the tool launches, log in using your OnePlus ID or Oplus service account credentials. This login step is mandatory for SLA-enabled devices like the OnePlus Nord N300 CPH2389. The tool will not proceed without a valid login.

Step 5: Import the Firmware File

Inside the Oplus Download Tool, click Import and navigate to the folder where you extracted the firmware. Select the .ofp firmware file for the OnePlus Nord N300 CPH2389 to load it into the tool. Make sure the correct region firmware (Export/Global) is selected.

Step 6: Click the START Button

Once the firmware is loaded successfully, click the START button in the Oplus Download Tool. The tool will now be ready and waiting for the device to connect in EDL mode.

Step 7: Boot Device into EDL Mode

Power off your OnePlus Nord N300 CPH2389 completely. Then, press and hold Volume Up + Volume Down simultaneously, and while holding both buttons, connect the device to your PC via USB cable. Once the device enters EDL mode, it will appear as Qualcomm HS-USB QDLoader 9008 in Windows Device Manager.

If the device is completely dead and does not respond, you will need to use the test point method on the motherboard to force it into EDL mode manually.

Step 8: Wait for Completion

The Oplus Download Tool will detect your device and begin the firmware installation automatically. Do not disconnect the USB cable or close the tool during this process. Wait patiently until you see a Success message in the tool. Once complete, disconnect the device — it will reboot on its own.

✅ Tip: If the tool does not detect your device, reinstall the Oplus or Qualcomm USB driver, try a different USB port, and make sure you are not using a USB hub. A direct port connection always works best.

📲 Alternative: Install OTA Firmware via ADB

If your OnePlus Nord N300 CPH2389 still boots into recovery mode, you can install the OTA firmware without using the Oplus Download Tool. Simply run the following ADB command from your PC while the device is in recovery mode:

adb sideload firmware.zip

Replace firmware.zip with the actual filename of the firmware you downloaded. This method is useful for soft-bricked devices that can still access stock recovery.

✅ Supported Flash Tools

The OnePlus Nord N300 CPH2389 firmware is compatible with the following tools:

Oplus Download Tool — The primary recommended tool for OnePlus/Oppo/Realme Qualcomm devices
MSM Download Tool — Alternative Qualcomm-based flashing tool
QFIL Tool — Qualcomm Flash Image Loader for advanced users
Python EDL — Open-source command-line EDL tool (no login required)
Miracle Box / UFI Box — Optional, for advanced repair, FRP, and chip-level operations

Important Notes

This firmware is only for OnePlus Nord N300 CPH2389 — never flash it on a different model.
Never disconnect the USB cable while the flashing process is running — this will hard-brick your device.
If the tool does not detect your device, reinstall the Oplus USB driver and try again on a different USB port.
Back up all personal data before starting — the entire process will wipe your phone completely.
For FRP bypass, region change, unbrick, or root services, reach out via the Telegram support link in the download section above.

✅ Conclusion

The OnePlus Nord N300 CPH2389 Flash File Firmware is the official stock ROM you need to fully recover your device from any software-related problem. Whether your phone is stuck on the boot logo, locked with FRP, dead after a failed flash, or just running slow — flashing this firmware using the Oplus Download Tool will restore your OnePlus Nord N300 CPH2389 back to its original factory-fresh condition.

Download the correct firmware version from the links above, follow the step-by-step flashing guide carefully, and your device will be back up and running in no time. If you face any difficulty during the process, feel free to leave a comment below and we will be happy to assist you.