Oppo a37 mobile was good and it was 4G mobile two sim and they was 4G really it was good net speed I like it oppo A37 mobile all features is good camera , netspeed , design was great mobile was slim and the screen was perfect but one think was no good his battery , battery it was low Mah it’s only on 2630 mah so battery performance was not good and front camera is great but only day night she was not good it’s 2GB RAM 16 GB internal and 128 GB expandable is lot of space quad core is 1.2 GHz software is not good because his every 3 month to upgrade that was not good this mobile only on one problem is software than every thing is great