Are cheap Samsung A series phones good ? Should buy one ?

Are Samsung cheap A series phones good ?
Should buy one ?
Is there a big difference between Samsung cheap phones and Samsung flagship phones ?

The difference between Samsung A series phones and S series phones is quite significant. There is a difference not just in technology, but also in price. You can't expect from 300 USD phone to be as good as 1300 USD phone.

But even though that, many A series phones are quite good when comparing them with other phones in the same price category.

I wouldn't recommend the cheapest A07, because it is really a basic phone. But you can get good experience and value if you buy A17 or A37. These phones have nice screens, good batteries and many useful features. The price of A17 starts from approx. 150 USD.

Samsung A series phones have some good things like display pixel density. They also have some disadvantages like camera.

But for the price you pay, camera is more than good.