Lenovo K3 Note Music K50a40 Firmware Stock Rom (Flash file)

Firmware refers to the applications and operating system that control how a Lenovo K3 Note Music K50a40 Smartphone operates. It is called firmware rather than software to highlight that it is very closely tied to the particular hardware components of a device. Firmware updates are sometimes provided by a company as a way to fix bugs or introduce new functionality.


On this page you will find a link to download Lenovo K3 Note Music K50a40 Stock Firmware ROM (flash file) on your Computer. Firmware comes in a zip package, which contains Flash Files, Flash Tool, USB Driver and How-to Flash Manual.

How to Flash Lenovo K3 Note Music K50a40: 

1. Install the Spreadtrum USB Driver on your Computer. If in case of Spreadtrum Driver already installed on your computer then SKIP can this Step.
2. Download the appropriate Stock Rom (pac) for your Android Device.
3. Download and extract Spreadtrum Upgrade Tool on your computer. After extracting, you will be able to see the following files:
4. Now, open UpgradeDownload.exe.
5. Once Spreadtrum Upgrade Tool is launched, connect your Android device to the computer (make sure your device is switch off).
6. Once your Smartphone is connected successfully to the computer, click on the Load Packed Button and add the .pac file (stock rom which comes as .pac).
7. Once you have successfully added the Pac file in Spreadtrum Upgrade Tool, click on the Start Downloading button to begin the flashing.
8. During the flashing process your device will restart automatically. Once flashing is completed, you will be able to see the Green Passed Message in Spreadtrum Upgrade Tool.
9. Now you have successfully flashed your Android Device using Spreadtrum Upgrade Tool. Once your Android Device is successfully restarted, Go to Settings About Phone Check firmware.

Download Firmware Lenovo K3 Note Music K50a40 Link :

• File Name: Lenovo_K50a40_S424_MT6752_20160328.zip
• File Size: 2 GB
• How to Flash: With Spreadtrum
• Firmware / Stock Rom Link: Click here to start download

• File Name: Lenovo_K50a40_S427_MT6752_20160518.zip
• File Size: 2 GB
• How to Flash: With Spreadtrum
• Firmware / Stock Rom Link: Click here to start download

• File Name: Lenovo_K50a40_S433_MT6752_20160909.zip
• File Size: 2 GB
• How to Flash: With Spreadtrum
• Firmware / Stock Rom Link: Click here to start download

Follow Detailed Guidelines: How to Flash Lenovo K3 Note Music K50a40 with Sp Flashtool

Readme Once

Take a Backup : If you are going to flash the above Firmware on your Lenovo K3 Note Music K50a40 device, then take a backup of everything as because your personal data will be deleted after flashing the stock firmware.
The firmware shared on this page is officially released by the company and helps you to recovery your device if you ever got bootloop, software error, update error, hanging and dead issue.

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