Site icon RooTwrp

Guide: Stock Firmware Flash Using SPD Research Tool

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:

Step 6: Now, Click the 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.

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.

Exit mobile version