I want to find a cheap phone with price range of $200 to $500 in SGD(Singapore) Currency with good camera and if possible a dual camera phone and long-lasting battery life.? The brand i choose are: Samsung, LG, Asus, HTC, Huawei, Xiaomi and Sony. Also i want the phone to be Android 6.0 or above. Please give links to access sites to buy the phone. Thanks alot