Below is the direct link to download the Tecno W3+
Firmware stock ROM (.Pac File) this Firmware can be use to Flash Unbrick or Upgrade Tecno W3+
Take a Backup of your personal data before flashing or installing the firmware on your smartphone.
As this helps you to recover the personal data whenever any thing wrong happen.
Below is the Firmware Stock ROM [Pac File] for Tecno W3+
Download and Install Spreadtrum USB Driver on your Computer. If in case Spreadtrum Driver is already installed on your computer then SKIP this Step.Download Stock Rom (Pac) for your Android Device.Download and extract Spreadtrum Upgrade Tool on your computer. After extracting, you will be able to see the following files:Now, open UpgradeDownload.exe.
Once Spreadtrum Upgrade Tool is launched, connect your Android device to the computer (make sure your device is switch off).Once your Smartphone is connected successfully to th1ae computer, click on the Load Packed Button and add the .Pac file (Stock ROM which comes as .Pac).Once you have successfully added the Pac file in Spreadtrum Upgrade Tool, click on the Start Downloading button to begin the flashing.
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.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.
Tecno W3+ Pac File / Firmware