Visit the official Google Find My Device website on a computer or another phone.
This is the most common problem. Solutions include: Visit the official Google Find My Device website
A hard reset (often called a “factory reset” or “master reset”) is a process that restores an Android device to its original factory state, completely erasing all user data, accounts, files, settings, and installed apps【9†L7–L9】. It is the digital equivalent of a clean slate, often used to: completely erasing all user data
Temporarily disable Windows Defender or any third-party antivirus, as these tools can sometimes be flagged incorrectly as "potentially unwanted programs" because they bypass system security. Visit the official Google Find My Device website