Why does the vibration feel loose when the REDMI Note 14 5G vibrates, and the vibration starts and stops for a long time?

Thank you for your support of Xiaomi products. The REDMI Note 14 5G has undergone strict professional inspection before leaving the factory, so you can use it with confidence. The greater the vibration of the mobile phone motor, the longer the start and stop time will be. If the phone is used for a long time, the vibration will age or malfunction, resulting in poor vibration effect. You can use other apps (such as “Vibration Notifier” or “Vibrate Plus”) to test the vibration effect. If the vibration effect of all apps is not satisfactory, it is recommended to contact after-sales service for further assistance. Thank you for your support and cooperation.