For Samsung I have totally bad experience. I got update only 1 or 2 times for my device. They always launch new handsets and forget about old.
I invested 12k for my Samsung device but still using 4.0.1 android version. I will never suggest any samsung device to my buddies. :angry
Choosing a desired cellphone is a bit confusing nowadays.
My thread may help you. I bought redmi 3s, at Rs 6999. I think 2G RAM is enough and I don't need fingerprint so didn't took Redmi 3s prime, and saved 2000 Rs.
Go For Redmi Phones Without Hesitation.
I'm Using Redmi 1s from Last Three Years Without Any Problem.
My Family Member And Frnds Are Using Redmi 1s, Redmi 2, Redmi 3s, Redmi Note 3 Without Any Problem.
I Brought Online About More Than 25 Phones for Their Use.