I used redmi note 4 from last 6 months , its not get hanged , support dual sim or one sim one mammary card . Quality of camera is normal . Batter than privious mi phones , but redmi 5 is much batter than remi note 4 . I saggest you to buy mi 5 compair to note 4 . Its battry stay longer . Take little bit more time to charge .
If you have any questions to this product then you can ask me in comment box , i am using redmi note 4 now so i think i can answer .
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