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.
Flashing or installing Stock Firmware using the SPD Research Tool may remove personal information from your device. So, we suggest you have a backup of your data prior to using the tool.
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.