In this article, we will guide you through the process of installing stock firmware on older Qualcomm-Android mobile devices using the Phenix Multi Flash Tool.

What is the Phenix Multi Flash Tool?
The Phenix Multi Flash Tool is an official flashing utility provided by Qualcomm. It helps users to install stock firmware on older Qualcomm Android devices. This tool allows the installation of Qualcomm firmware contained within the “SW” folder, which includes Android and modem folders.
What is Stock firmware?
Stock firmware is the official Operating System (OS) that comes pre-installed on a Qualcomm Chipset-based device when shipped from the factory. It is a specific version of Android OS that the manufacturer customizes to include its proprietary UI, features, and apps. The manufacturer develops and maintains this firmware customized for each device model, ensuring compatibility, security, and performance.
How to install stock firmware using Phenix Multi Flash Tool
It’s important to install the necessary drivers and tools before installing or flashing stock firmware using the Phenix Multi Flash Tool.
Prerequisites
- Charge your device to at least 40-50%.
- A working Windows PC/Laptop and a USB Cable.
- Take a complete Backup of your Device.
- Download and install QDLoader 9008 and Qualcomm Driver.
- Download and extract Phenix Multi Flash Tool.
- Stock Firmware of the device (example).
Disclaimer: androidmtk.com will not be liable for any damage caused to your device during or after following this guide. Proceed with extreme caution and at your own risk.
Steps to install stock Firmware using Phenix Multi Flash Tool
- Launch the Phenix Multi Flash Tool by double-clicking on the PhenixMultiFlash.exe file (found inside the Phenix Multi Flash folder).
- Once the Phenix Multi Flash Tool is launched, Click on the Load Files button.
- Locate the SW Folder (found inside the firmware folder).
- Power off your device, boot it into the fastboot/download mode and connect it to the computer.
- Click on the Start button.
- Once the Flash Tool detects the device, the flashing process will start automatically.
- Once the flashing process is completed, a Popup Dialog Box will appear on the Screen saying “Update Complete! Please Stop Update!”. Click on the “OK” button.
- Click on the Stop button.







Congratulations! Now, Close the Phenix Multi Flash Tool, disconnect the device from the computer.
Notes
- Initial Process: After flashing, your device will complete the initial boot, which can take 2-10 minutes. Once done, you’ll need to provide your Wi-Fi and other details, just as with a new device.
- Caution: Take a backup of your data before using the Phenix Flash Tool because, during the flashing/installation process, your data will be removed permanently.
- Credits: Qualcomm Incorporated (QCOM) developed and distributed the Phenix Multi Flash Tool. The company is thanked for providing the free application to the public.