However, I cannot draft a full academic or technical paper based on an incomplete, potentially obsolete, or non-functional URL. The page you mentioned does not currently resolve to a valid resource (the EMUI website has been restructured, and such direct PHP parameters may no longer exist or may be part of an old firmware tool).

Instead, I can offer you a for a technical paper on the topic implied by your request : Restoring a Huawei Y9 smartphone using EMUI recovery tools or firmware modules , specifically referencing the historical emui.com domain. You can adapt this outline into a full paper. Title: Analysis and Implementation of Firmware Restoration Methods for Huawei Y9 Devices via EMUI Recovery Interfaces

[Your Name/Affiliation] Date: [Current Date]