These are the instructions to flash pac Firmware on any android phone using Spreadtrum upgrade tool.
Remember: Your Android tool must have atleast 40-50 percentage of battery to perform the flashing method.
How To Flash Pac Stock Rom
1: Download and installation Spreadtrum USB Drivers in your laptop. If in case Spreadtrum driver is already installed in your pc then skip this Step.
2: Download Firmware in your Android device.
3: Download and extract Spreadtrum upgrade Flash Tool in your PC.After extracting, you’ll be able to see the subsequent documents:
4: Now, open UpgradeDownload.exe.
5: After The Start of Spreadtrum Upgrade Tool, Switch off Android Device and Connect with Pc.
6: Once your Device is connected successfully to the PC, Press on the Load Packed Button and add the .pac file (Firmware which comes as .pac)
7: After successfully added the Pac file in Spreadtrum Upgrade Tool, Press on the Start Downloading button for flashing.
8:When flashing is completed, you will see the Green Passed Message.