Flash Pac Stock ROM using SPD Upgrade Tool:
Step 1: Download and install Spreadtrum USB Driver on your computer. If you already have the SPD Driver installed, then you can skip this step.
Step 2: Download Pac Stock ROM/Firmware for your Android device.
Step 3: Download and extract the SPD Upgrade Tool (SPD Research Tool) on your computer. Once extracted, you will see the files, as shown in the image below.
Step 4: Launch the SPD Research Tool by double-clicking on “ResearchDownload.exe” file.
Step 5: Now power off your device and connect it to your computer.
Step 6: Once the device is successfully connected, click on “Load Packet” (gear icon) and add the .pac firmware file, which you have extracted in
Step 7: Once you have successfully added the Pac Stock ROM file to Spreadtrum Research Tool, click on the “Start downloading” button to begin the flashing process.
Step 8: During the flashing process, your device will automatically reboot several times. So don’t panic.
Step 9: Once the flashing process is completed, a Green Passed Message is displayed in the SPD Upgrade Tool.
Step 10: Now, the flashing process is completed. On your Android device go to Settings > About and check the firmware version
[Tutorial] How to use SPD Upgrade Tool
DTAC Happy Phone 3G 4.0 Plus ROM (Flash File)
1.its fix baseband unknown
2.it’s reset, unlock and remove FRP (google account verification), Pin, password, pattern, and privacy
3.Lock after flash its fix
4.Dead boot its fix hanging on Dtac logo
This Firmware Can Solved Frp Unlock,Dead Recovery,Hamg On Logo,Camera Error,Unfortunately Apps has Been stopped Problem,
Monkey Virus Or Sexy Virus Remove,Baseband Version Unknown,Imei Null,Lcd Black/White,Auto Data On-Off Problem.
All Are Fix in This File.So Download and Use This File Without Any Doubt.Thank You Very Much.