All Cellect devices pass a 75-point Quality Inspection Process for functionality and cosmetic appearance. Cosmetic appearance is graded under normal lighting conditions and from an average viewing distance of 50 centimetres. Battery performance is guaranteed to be 80% or greater for devices manufactured in 2014 or later. This device is factory unlocked and is compatible with all GSM Networks worldwide. iPhone 7 Plus iPhone 7 Plus dramatically improves the most important aspects of the iPhone experience. It introduces advanced new camera systems. The best performance and battery life ever in an iPhone. Immersive stereo speakers. The brightest, most colorful iPhone display. And it looks every bit as powerful as it is. This is iPhone 7 Plus. Battery performance and capacity may vary based on use, lithium batteries are a serviceable part which will require replacement with or without use. This is device may be an international version but compatible for worldwide use, some international versions have an audible shutter sound. This device can be damaged or destroyed by liquid ingress, particularly salt and chlorinated water which corrodes the seals.