How to flash Pac Stock Rom on Android Smartphone

Updated on August 24, 2017

These are the instructions to flash Pac Stock Rom on any android Smartphone using Spreadtrum Upgrade Tool.

Remember: Your Android device should have atleast 40-50 percent of battery to perform the flashing process.

Flash Pac Stock Rom on Android Smartphone

Step 1: Download and Install Spreadtrum USB Driver on your Computer. If in case Spreadtrum Driver is already installed on your computer then SKIP this Step.

Step 2: Download Stock Rom (pac) for your Android Device.

Step 3: Download and extract Spreadtrum Upgrade Tool on your computer. After extracting, you will be able to see the following files:

Upgrade Tool

Step 4: Now, open UpgradeDownload.exe.

Spreadtrum Tool

Step 5: Once Spreadtrum Upgrade Tool is launched, connect your Android device to the computer (make sure your device is switch off).

Spreadtrum Upgrade Tool

Step 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).

Add .pac file to Spreadtrum Upgrade Tool

Step 7: Once you have successfully added the Pac file in Spreadtrum Upgrade Tool, click on the Start Downloading button to begin the flashing.

Start flash in Spreadtrum Upgrade Tool

Step 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.

Flashing Spreadtrum Upgrade Tool

Flash Done Spreadtrum Upgrade Tool

Step 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.

Readme Once:

[*] Bin Packet load Error: If you ever got Bin Packet Error then simply download and try flashing the firmware with this version of SPD Upgrade Tool.

[*] How to Write IMEI: After flashing the stock firmware on Spreadtrum Device, you may need to flash the IMEI also, for that use WriteIMEI or Read&Write Tool to Flash IMEI on Spreadtrum Devices.

[*] Credits: SPD upgrade tool shared on this page is made available by Spreadtrum Communications Inc. So, full credits goes to them for the tool.

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