Hey guys im using the lenovo k4 note the phone is really good and the style is good but it has slow charging capacity and if u haved croosed 90% battery after it has ultimate battery which can keep your mobile upto 1 to 2, hours and it has fingerprint sensor which can help you to unlock in seconds and after swithoff it has fast charging capacity and there is 3gbof ram and 16gb internal memory and we can can use 2sims and memory the phone is really good but it is not a slim mobile if it is slim the product but the mobile is good