Zen Ultrafone 402 Pro Stock Firmware, Flash File Download

This Zen_Ultrafone_402_Pro_SC7731_V11_20150205 Firmware, PAC file can be used with any service tools capable of Flashing PAC file on SpreadTRUM Android Devices.

Stock firmware are mostly needed to either upgrade or downgrade your Zen Ultrafone 402 Pro. It can also be needed to simply flash your Zen android device in order to correct certain software issues or malfunctions on the phone. Here on this page I have contained the download link for the complete Zen Ultrafone 402 Pro Stock ROM, PAC file which can be used to flash factory OS back to your Zen Ultrafone 402 Pro.

How to Download Latest Firmware and Flash Zen Ultrafone 402 Pro with this PAC File

1. Download SPD Download Tool from here and install it on your PC. Also, it is a must to install SpreadTRUM Android drivers on your PC. You may Download SpreadTRUM Android Drivers here

2. Download your Zen Ultrafone 402 Pro, latest firmware pac File from here.

3. Open the SpreadTRUM Flash Tool you downloaded from the link above. It is compressed in a zip file, simply extract it onto a folder on your PC, open the folder to locate the SpreadTRUM Upgrade Tool application and then; double-click it to lunch the program.

4. Now, Put off your Zen Ultrafone 402 Pro or remove battery from it and re-insert the battery then, connect your Zen Ultrafone 402 Pro Mobile Phone to the PC.

5. Now, select the specific STOCK FIRMWARE you downloaded for your Zen Ultrafone 402 Pro android device by clicking on the Select Pack icon.

6: As soon as the file is loaded successfully, click on "Download Button" to commence the flashing operation.
NOTE: During the flashing operation, your phone may reboot once or twice. Just leave it and do not interrupt the operation.

7: Once the flashing operation is successfully completed, you will see "Previous Passed" message displayed in green on the SpreadTRUM Flash Tool.
CONGRATULATIONS! You have now successfully flashed your Zen Ultrafone 402 Pro android device.

For Graphical Illustration on how to flash Zen SpreadTRUM android devices, see here: How to Flash Zen Android Device: Step by Step with Pictures

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