: The recovery checks the signature against the keys stored on the device. update-binary updater-script . This script handles mounting partitions (like ), deleting old files, and extracting new ones.
: The system automatically downloads it to a hidden folder and reboots into recovery to apply it. update-signed.zip
The "signed" part of the name suggests that the contents of Update-Signed.zip have been digitally signed using a cryptographic algorithm. Digital signatures provide a way to verify the authenticity and integrity of data by: : The recovery checks the signature against the
Best for official OTA (Over-The-Air) updates that you've downloaded manually. deleting old files
Contains the digital signature and the com.google.android/update-binary script.