If you looking for a low price high preformance phone the answers are here.today i bring you two options,
A phone that fits a day is a10s it has 2 ram and 32 rom and octa core good processer and it has good rear camera front camera the front camera is 8mega pixel and rear camera is 13 mega pixel and 2 mega pixel camera .it makes you entertained and this phone good for the price.
If a10s is not fits for you try m30s phone get more info from samsung website
Do not try M series. Because it hasn't Screen Record, Secure Folder and many more. It's like J series with another name.