I has to tell you about my true experience for this phone this phone release june 2017 and his come up with 5.5 inches phone processor base from exynos 7870 1.6 GHz octa-core mobile come up with 3 gb ram and 64 GB internal storage if you use microsd card you can expandable up to 128 GB phone primary camera 13 megapixel with flash and his front camera 13 megapixel this mobile camera is good & you can capture very good picture phone operating system android 7.0 mobile come up with 2 sim slots and both support 4 g volte mobile does, t fingerprint sensor so if you buy this phone this phone is good .