Fist. you see the price of the mobile phone.
Second. you see battery capacity.
Third. you see camera quality.
Fourth. you see RAM and processor.
Fifth. you see screen size of the mobile phone.
Sixth . you see internal memory of the mobile phone.
Seventh. you see launch date of the mobile phone always try to puchase latest mobile phone.
Eighth. you see weight, look and designe of the mobile phone.
Ninth. you see operating system. Always try to purchase android mobile phone with marshmallow.
Tenth. You see this mobile phone 4G support or not. Always try to purchase 4G mobile phone.
Alway rembember do not forget invoice and always see that product sealed or open, If the product is open do not buy this product.
Please take care this thins when you purchase any mobile phone.
Thank you.
Have a great day to all my dear friends.