I have purchased this phone on a online web store. After a using a 3 month. Phones speaker not working, it s totally dead. Even the phone is not ringing for incommoding call. In this phone not working properly. After a make a any call mobile switches off by itself and restart automatically. Its a handset software problem. Phone microphone not working properly, very low voice hear it. Battery backup is not long time it’s like only 3000 mAh power. Back and front camera not much good clarity, it like VGA camera phone. Lok and design not good. I am very unexpected from Lenovo brand.