According to lenovo k6 power , the phone is good , but the there is mike problem speaker problem .but all the phone is very well there is a dolby atmos the largest 3d sound in the world and I use the phone it is very good but the speaker is very very bad it is useless we cant listen the voice well and properly.and it has 32 gb internal storage and 13 mp back camera and all the phone is very well and it has 3 gb ram and 5 mp front camera really the phone is good but the speaker is bad and dolby atmos 3d sound is good