A new report, covering mobile device repairs, has revealed the top phone models by failure rate. The Mobile Device Repair and Security Report for Q4 2017 found that the Xiaomi Redmi 4 was the worst-performing Android phone. Xiaomi’s Redmi Y1 was also in the top ten list for device repairs, coming in at number eight. Samsung had more devices in the top ten though, such as the Galaxy S7, Galaxy S8 Plus, and Galaxy S7 Active. Other phone models in the top ten include the Nokia 6, Moto G5S Plus, and Lenovo K8 Note.