DetectBlur

//
//  DetectBlur.swift
//
//  Created by Moath_Othman on 2/9/16.
//

import Foundation
//inpired by https://gist.github.com/mortenbekditlevsen/5a0ee16b73a084ba404d
extension UIDevice {
    public func MO_isBlurAvailable() -> Bool {
        if self.mo_osMajorVersion() < 8 {
            return false
        }
        if UIAccessibilityIsReduceTransparencyEnabled() {
            return false
        }
        if !self.mo_blurSupported() {
            return false
        }
        #if TARGET_IPHONE_SIMULATOR
        #endif
        return true
    }
    private func mo_blurSupported () -> Bool {
        let unsupportedDevices = NSSet(objects: "iPad",
           "iPad1,1",
           "iPhone1,1",
           "iPhone1,2",
           "iPhone2,1",
           "iPhone3,1",
           "iPhone3,2",
           "iPhone3,3",
           "iPod1,1",
           "iPod2,1",
           "iPod2,2",
           "iPod3,1",
           "iPod4,1",
           "iPad2,1",
           "iPad2,2",
           "iPad2,3",
           "iPad2,4",
           "iPad3,1",
           "iPad3,2",
           "iPad3,3")
        if unsupportedDevices.containsObject(self.hardwareString()) {
            return false
        } else {
            return true
        }
    }
    // http://stackoverflow.com/a/29997626/979169
    private func hardwareString() -> String {
        var name: [Int32] = [CTL_HW, HW_MACHINE]
        var size: Int = 2
        sysctl(&name, 2, nil, &size, &name, 0)
        var hw_machine = [CChar](count: Int(size), repeatedValue: 0)
        sysctl(&name, 2, &hw_machine, &size, &name, 0)
        
        let hardware: String = String.fromCString(hw_machine)!
        return hardware
    }
    private func mo_osMajorVersion() -> Int {
        let vComp: [String] = UIDevice.currentDevice().systemVersion.componentsSeparatedByString(".")
        return Int(vComp.first!)!
    }

    
}

Blue effect is not working on iPhone 7 despite all other devices i checked work.
Do you have any idea why it is not working?