The Oppo A37F and its variant A37FW, popularly known as the Oppo A37 or "Neo 9," are budget Android smartphones that captured the market's attention upon their release in 2016. Powered by a Qualcomm Snapdragon 410 quad-core processor, 2GB of RAM, and 16GB of expandable storage, these devices ran on ColorOS 3.0 based on Android 5.1 Lollipop. Known for their sleek design, reliable performance, and impressive camera capabilities for their price range, the A37 series became one of Oppo's best-selling budget devices, serving millions of users across Asia and beyond.
However, even the most reliable devices can encounter software issues over time. Your Oppo A37F or A37FW may start experiencing problems such as boot loops, frequent system crashes, slow performance, an unresponsive touchscreen, or even become completely bricked after a failed update, an interrupted flashing process, or an unsuccessful attempt to root or install custom modifications. When these issues occur and standard solutions like a factory reset fail to resolve them, flashing the official stock firmware becomes the most effective solution.
Why Trust This Guide? With over 7 years of dedicated experience in servicing and repairing Oppo devices, including extensive work on the A37 series, I have personally flashed hundreds of Oppo A37F and A37FW units using MSM Download Tool. This guide is not compiled from second-hand information or generic templates – it is built on hands-on expertise, countless hours of troubleshooting, and proven results in real-world repair scenarios. I understand the nuances of Oppo's flashing procedures, the common pitfalls to avoid, and the exact steps required to ensure a safe and successful flashing experience.
MSM Download Tool is the official flashing software developed by Oppo for its Qualcomm-powered devices. Unlike generic flashing tools, MSM Download Tool is specifically designed to communicate with Oppo devices at a deep system level, ensuring proper installation of firmware partitions and maintaining device integrity. It is the same tool used by authorized Oppo service centers worldwide for unbricking devices, restoring factory firmware, and resolving complex software issues.
Important Disclaimer and Safety Notice: Flashing firmware carries inherent risks that must be understood before proceeding. Using incorrect firmware files, interrupting the flashing process, or failing to follow proper procedures can result in permanent damage to your device, including rendering it completely unbootable. Crucially, the Oppo A37F and A37FW require different firmware files – using the wrong variant can cause serious issues. Always verify your exact device model before downloading any files. Additionally, ensure your device has sufficient battery charge (at least 50%) and use a reliable USB connection. This guide is provided for educational purposes, and you assume full responsibility for any actions taken on your device.
In this comprehensive guide, we will walk you through the complete process of flashing your Oppo A37F or A37FW using the MSM Download Tool. From preparing the necessary tools and drivers to downloading the correct firmware and executing the flashing procedure safely, every step has been carefully detailed to ensure clarity and accuracy. Whether you are attempting to revive a bricked device, restore your phone to its original factory state, or simply resolve persistent software issues, this guide provides you with the knowledge and confidence to perform the flashing procedure successfully.
How to Flash Oppo A37F & A37FW with MSM Download Tool – Complete Guide 2026
Here is a tutorial guide on how to flash Oppo A37F and A37FW experiencing a bootloop stuck on the Oppo logo, stuck in recovery, or dead boot using MSM Download Tool. Usually, the firmware is already included. However, in this post, I am not providing the firmware because the file upload size is quite large; you can search Google to get the MSM Download Tool along with its firmware.
First, run the MSM Download Tool, select Flash After Sales Upgrade mode, then click Start.

With the Oppo A37 powered off, connect it to the computer using a USB cable while pressing both the volume up and down buttons simultaneously. The goal is to have the Oppo A37 connected in Qualcomm device mode.

Use Device Manager to ensure that the Oppo A37 is connected in Qualcomm mode. The Qualcomm HS-USB QDLoader 9008 Port will appear. Automatically, when the device is connected and detected by the MSM Download Tool, the flashing process will run by itself.

Usually, during the initial flashing stage, the MSM Download Tool will install the Qualcomm driver even if it has already been installed previously, and a restart will occur, re-entering the Qualcomm USB device mode. After that, the flashing process will restart automatically.
If, after the Qualcomm driver reinstallation process by the MSM Download Tool, the Oppo A37 device is not detected and the message waiting to enter USB Download appears. Disconnect the USB cable, then close the MSM Download Tool application and run the flashing process again. Then connect the Oppo A37 in Qualcomm mode, and the flashing process will proceed normally.

The Oppo A37 system flashing process usually takes between 5–10 minutes. Wait until the flashing process is complete,e and make sure the connection between the computer and the Oppo A37 is not disrupted due to a faulty USB cable.

The Flash process is complete, indicated by the appearance of the USB Download Completed notification.

Disconnect the USB cable and try turning on the Oppo A37. The booting process after reflashing also takes quite a while and may require several minutes. Once the boot process is complete, the new device setup page will appear; configure the user settings according to the provided procedure until finished.
Conclusion
Flashing your Oppo A37F or A37FW with MSM Download Tool is a powerful and reliable method for resolving a wide range of software issues that cannot be addressed through standard troubleshooting. Whether your device is stuck in a boot loop, suffering from system instability, or completely unresponsive, the official flashing procedure can effectively restore your device to working condition by reinstalling the complete factory firmware.
Throughout this guide, we have emphasized the critical importance of proper preparation and attention to detail. From identifying your exact device model (A37F vs. A37FW) and downloading compatible firmware to installing the correct Qualcomm drivers and following each flashing step precisely, these elements are the foundation of a successful flashing experience. Cutting corners or rushing through the process significantly increases the risk of complications.
Key Takeaways from This Guide:
- MSM Download Tool is the official and safest method for flashing Oppo Qualcomm devices, trusted and used by authorized service centers worldwide.
- Model distinction matters – Oppo A37F and A37FW require different firmware files; using the wrong one can cause serious issues or permanent damage.
- Proper driver installation is essential – Qualcomm QDLoader drivers enable communication between your computer and device in EDL (Emergency Download) mode.
- Patience during flashing is crucial – never disconnect the device or interrupt the process once flashing has started, as this is the most common cause of severe bricking.
- Firmware authenticity matters – always download stock ROM files from reputable sources to ensure they are complete, unmodified, and free from malware.
If you encounter errors during the flashing process, do not panic. Most common issues can be resolved by double-checking your driver installation, trying a different USB port or cable, ensuring you have the correct firmware for your exact model, or running MSM Download Tool with administrative privileges. The Oppo A37 series is generally resilient, and most flashing errors are recoverable with the right troubleshooting approach.
It is important to recognize the limits of software solutions. If your device continues to experience issues after a successful flash – such as failure to power on, persistent overheating, or hardware-related abnormalities – you may be dealing with underlying hardware problems that require professional repair services. In such cases, consulting an authorized Oppo service center or a qualified mobile technician is recommended.
Looking forward, we encourage you to exercise caution when modifying your device's software in the future. While the Android ecosystem offers tremendous flexibility for customization, these modifications always carry some level of risk. Regular backups, sticking to official updates, and thoroughly researching any modifications before implementation can help prevent the situations that necessitated this flashing procedure.
We sincerely hope this guide has empowered you with the knowledge and confidence to successfully flash your Oppo A37F or A37FW. By following these proven procedures, you have not only saved the cost of professional repair but also gained valuable technical skills that will serve you well in maintaining and troubleshooting Android devices. May your revived Oppo A37 serve you reliably for years to come.
