Vivo Y55s is brilliant smart phone. I used this phone 5 month . Guys ram 3GB and internal memory 16GB in this phone. I many apps download and video photo in this phone .the battery backup ( 2730 mah) very well. I love this phone and happy . The camera in this phone back 13 mp and front 5mp. So I take good selfi with my friend and family. guys just a friend I suggeste you take this phone and enjoy festival, picnic, with vivo phone camera selfi. I take this phone in 12500. I am happy with this phone. All the best guys.