I bought this phone about 2 months ago the phone was working fine and I not noticed any lagging issues and battery was also and also I am a rough user but the phone has no issue it has 13mp back and 5mp front camera and the ui it use is miui 8 which is also good it has 2gb ram and 16gb internal memory but out of the box only 1gb of ram is free so that is the only issue I faced of 2 months usage of this redmi 4a I will recommend you to buy this phone only if your budget is 6000 or I will advise you buy redmi 4 7000 this come in three variants you can buy this phone at mi.com at flash sale.