You need a Jailbroken device

Jailbreak your iPhone, iPad or iPod touch more info here.

You can add our repo on Cydia

  1. Open Cydia
  2. Tap on Sources
  3. Tap on Edit / Tap on Add
  4. Write: http://repo.hackyouriphone.org
  5. Tap on Add sources / Tap on Add anyway
  6. Tap on Done.
  7. ▶︎ Play video

Now you can install Flatty Theme from Cydia

  1. Tap on Search tab
  2. Type Flatty Theme
  3. Choose the result with our icon on left
  4. Well now tap on Install.

Flatty Theme

Find it for free on Cydia.