Which phone is best at present with good features?

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Hello everyone, I would like to buy a new mobile phone so can any one suggest me which mobile phone is best with all good features at present in the market and its price and usability may be its battery backup, internet speed etc... that would be helpful if you help me in this as i don't want to waste my money on spending phones with less battery backup and less internet speed and some other features. thanks in advance :)