i'm Vivo Y91(1814)&i have a POWERFUL SPEC's -6.22" Screen -Octa-Core 2.0 GHz Cortex-A53 -64GB Phone Storage+3GB Ram -Rear Camera 13 MP, f/2.2 + 2 MP, f/2.4 -Front Camera 8 MP f/1.8 -Battery 4030mAh -Snapdragon 439 -Android 8.1 Version(Oreo) -Micro USB Charging Port+Support OTG -Support (FingerPrint & Face Unlock)