iOS 10.3 is released see if your iPhone is compatible for the upgrade or NOT

iOS 10  compatible iPhones and iPads list


    The iPhone 6s
    The iPhone 6s Plus
    The iPhone 6
    The iPhone 6 Plus
    The iPhone SE
    The iPhone 5S
    The iPhone 5C
    The iPhone 5


    iPad Pro 12.9-inch
    iPad Pro 9.7-inch
    The iPad Air 2
    iPad Air
    iPad 4th generation
    The iPad Mini 4
    The iPad Mini 3
    The iPad Mini 2


    The iPod Touch 6th-generation

iOS 10 NOT compatible iPhones and iPads list

    The iPad with Retina Display (3rd Gen) and older 9.7-inch iPads
    The iPad Mini
    The iPod Touch 5th-generation and older iPod Touch models
    The iPhone 4S and older iPhone models