Android Firmwares

Guide: Stock Firmware Flash Using SPD Research Tool

When Research Tool is started

These are instruction manuals for you to use SPD Research Tool to Flash or install .pac Firmware (ROM) on products running on Spreadtrum/Unisoc Chipset.

Install .pac Stock Firmware by using SPD Research Tool:

Step 1: Download and Set up Spreadtrum USB Driver on your pc.

Step 2: Download Stock Firmware (.pac based) of the Spreadtrum Device.

Step 3: Now, Extract SPD Research Tool on your pc.

Step 4: Next, Start ResearchDownload.exe.

Step 5: When Research Tool is started, you will be able to view the following screen:

When Research Tool is started

Step 6: Now, Click the Load Packet Option:

Load Packet Option

Step 7: Navigate to the .pac firmware on your pc and Click on Open Option:

Step 8: Now, Connect your Spreadtrum Mobile device to the computer (make sure the device is Power Off).

Step 9: At this point, Click the Start Downloading Button to start the installation or flashing procedure.

Start Downloading

Step 10: At this point, the installation procedure will start and will have a short while to finish the flashing procedure, your device may reboot automatically. When the installation process is finished, you will be able to see the Green Passed note:

Now, Shut down SPD Research Tool and Detach your Spreadtrum Device from the Pc.

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