The not good compare to other u can some better device in this price tag I can use the from the year after few months the device lag or heat while charging or battery is not good at all the build quality is good or camera is also good the is not support ordinary headfone so u use converter to use ur headfone or u can not use extra memory card its come with internal 32g but u can use only 22g its bad or in some service is not available company promise to give update in future but its get any software update the system eui is vome many Chinese software sound quality is not clear at full volume or too low .