Redmi 3s prime is a good budget phone for your needs it has a fast fingerprint scanner if we talk about the performance than the phone is beast in performance it’s 3GB ram And snapdragon 430 Soc Is very fast and reliable software optimization is good battery life is awesome it give you the screen on time of about 7 to 8 hours if in normal days it may last upto 2 days but if you will play lots of high graphics game the battery lasts upto 10 hours in my use .Camera may not impress you Back camera is overall good but front camera is not so good but it is ok for normal photography .GPS navigation Is almost good her and durability is awesome phone is strong doesn’t bend in extreme conditions .