, ▁ 6 4 ▁or ▁ 1 2 8 ▁GB ▁of ▁internal ▁storage , ▁and ▁a ▁ 6 0 0 0 ▁m Ah ▁Li - Po ▁battery . ▁The ▁M 3 0 s ▁was ▁released ▁on ▁ 1 8 ▁September ▁ 2 0 1 9 . ▁It ▁features ▁a ▁rear ▁triple ▁camera ▁array ▁compos ing ▁of ▁a ▁ 4 8 ▁MP ▁wide ▁angle ▁camera , ▁ 8 ▁MP ▁ult ra ▁wide ▁angle ▁camera , ▁and ▁a ▁ 5 ▁MP ▁depth ▁sensor . ▁ ▁Spec ifications ▁ ▁Hard ware ▁The ▁S amsung ▁Gal axy ▁M 3 0 s ▁comes ▁with ▁a ▁ 6 . 4 ” ▁F HD + ▁( 1 0 8 0 × 2 3 4 0 ) ▁Super ▁A MO LED ▁In fin ity - U ▁Display ▁with ▁a ▁U - sh aped ▁not ch ▁for ▁the ▁front al ▁camera , ▁similar ▁to ▁the ▁S amsung ▁Gal axy ▁M 3 0 . ▁This ▁results ▁in ▁a ▁screen - to - body ▁ratio ▁of ▁ 9 1 %. ▁The ▁display ▁has ▁a ▁contrast ▁ratio ▁of ▁ 7 8 9 6 0 : 1 ▁and ▁a ▁max ▁bright ness ▁of ▁ 4 2 0 ▁n its . ▁The ▁phone ▁has ▁ 4 ▁GB ▁and ▁ 6 ▁GB ▁RAM ▁versions , ▁with ▁ 6 4 ▁GB ▁or ▁ 1 2 8 ▁GB ▁of ▁internal ▁storage , ▁respectively . ▁The ▁storage ▁for ▁both ▁versions ▁is ▁expand able ▁up ▁to ▁ 1 ▁T B ▁via ▁micro SD ▁card . ▁The ▁phone ▁has ▁a ▁ 6 0