If you are not comfortable using command-line tools or Python, several professional Android servicing tools can do this automatically. While some are paid, many offer free trials or cracked versions (use caution with the latter). Popular Tools to Explore:
ozip2scatter --input firmware.ozip --output scatter.txt [--key key.bin] [--format txt|json] [--verbose] ozip file to scatter file converter high quality
: The tool will generate a decrypted .zip file. Step 2: Extract the Scatter File If you are not comfortable using command-line tools