print(f"✅ Success! Secure archive created: new_zip_name")

updatesignedzip Use code with caution. : The path to your signed update file. : The new file on your PC.

: This indicates an asset verification failure. The script inside the ZIP checked your device model, and it did not match the intended target.

| Problem | Cause | Fix | | :--- | :--- | :--- | | | You tried to edit the bytes inside the zip directly without resigning. | Always

A digital signature over a ZIP file typically covers the entire content (or specific entries). If you modify, add, or remove any file inside the ZIP, the signature will become invalid unless you re-sign.

Thank you for your prompt attention to this matter.

: The private key deployment file used to encrypt the payload hashes.

: Android security architecture strictly requires that any system-level modification archive pass a signature verification check. Signing appends a digital signature to the ZIP file using a private cryptographic key. The recovery console uses a corresponding public key to verify that the file has not been corrupted or maliciously altered. Why Custom Recovery "Top" Settings Matter

: The OTA client or hardware recovery scans the very end of the ZIP archive—specifically the zip file comment section—where the signature block is injected.

The zip was created without the required signing metadata.