A Spreadtrum PAC file is a firmware file used for Spreadtrum mobile devices. It is a binary file that contains all the necessary information to flash or update the firmware on a Spreadtrum-powered device. The PAC file includes the firmware image, as well as other data such as the phone’s partition information, and the NVRAM. here is some method to unpack a spreadtrum pac file.
1. Extract Pac Firmware using Linux:
- open cmd and send below code
git clone https://github.com/HemanthJabalpuri/pacextractor/tree/master/c
- go to the folder where pac file available
- send code
./pacextractor pacfile
2. Extract pac Firmware using Java on Windows:
- clone tool
git clone https://github.com/HemanthJabalpuri/pacextractor/tree/master/java
- Extract pac:
java -jar PacExtractor.jar pacfile outdir
3. Extract pac File on Android:
- clone tool
git clone https://github.com/HemanthJabalpuri/pacextractor/tree/master/java
- Extract pac:
dalvikvm -cp PacExtractor.jar com.sprd.pacextractor.PacExtractor pacfile outdir
4. Extract pac Firmware using python on Windows:
- clone tool
git clone https://github.com/HemanthJabalpuri/pacextractor/tree/master/python
- Install requirement
pip install crcmod pacExtractor.py pacfile