Contact your provider and request an unlock using the contact details and online tools listed below. For instance, you can Bypass or Unlock iCloud Activation Lock from your iPhone 4, iPhone 4s, iPhone 5, iPhone 5s, iPhone 5c, iPhone 6/6 Plus, iPhone 6s/6s Plus, iPhone SE, iPhone 7/7 Plus, iPhone 8/8 Plus and iPhone X along with pretty much any iPad.
So, any device running iOS 7 or later support this theft deterrent featuring. If you have connected an iPhone, iPad, or iPod touch to a USB accessory, or even a Mac or PC lately, you may have seen an “USB Accessory – Unlock iPhone to use accessories” message appear on the screen (or “Unlock iPad to use accessories” for iPad of course).