WeChat has recently introduced an accidental deletion undo feature for chat records, initially available exclusively to users of iOS devices running version 8.0.61 or higher. When a user swipes left to delete friend or group chat records, the system swiftly identifies potential accidental deletions and displays a prompt within 5 seconds, enabling users to reverse the deletion. Tencent's customer service advises users to exercise caution and heed system prompts to avoid unintended data loss. In the event that chat records are accidentally deleted and not backed up, users may attempt to recover them using WeChat's built-in troubleshooting feature, albeit with limited success. Officials recommend regularly utilizing the "Backup and Migration" feature available in the desktop version of WeChat to safeguard against data loss and caution against relying on third-party recovery software.