Nokia 5.1 plus is a best budget mobile under Rs. 10000/- comes with 1GB RAM, Quad core 1.2GHz snapdragon processor, non- removal battery of 4100 mah which is best battery backup, it has 32GB internal memory which can be expandable up to - 400GB where I get full blank memory which does not give other branded mobile. It has good camera quality, dual primary camera 13+5 megapixel and front camera of 8 mega pixel which gives good picture experience in this budget.