To convert a file (typically used for Spreadtrum/Unisoc device firmware) using portable tools, you should SPD Research Tool Research Download Tool
Always keep your original PAC files backed up as plain text. Prevention is easier than extraction. how to convert bin file to pac file portable
with open('firmware.bin', 'rb') as f: data = f.read().decode('latin-1') proxies = re.findall(r'\d1,3.\d1,3.\d1,3.\d1,3:\d2,5', data) print("Potential proxies:", set(proxies)) To convert a file (typically used for Spreadtrum/Unisoc