For OPPO R9s Front Screen Outer Gl Lens Features 1. High outer gl lens for OPPO R9s 2. Replace your broken or unusable item with a new one 3. Complete fit and work 4. Each item has been checked and in good condition before shipping 5. Professional installation is highly recommended. We will not be responsible once the screen is installed.Dos and Don'ts 1. Test before installation When testing, do not remove any protective film or tags. Please pay attention to the problem of ectricity. Before attempting any repair, be sure to ground yoursf is an ESD (ectro discharge) strap. This will prevent ectricity from damaging the ectronic components within the phone. Ensure you wear eye protection and use caution not to cut your finger with the gl ers. 2. Simulates testing Screen replacement is very fragile product. We strongly suggest test before installation. Please simulates testing, which means mobile phone apart, Screen Outer Gl Lens connected audio cable and new replacement, power on, test finished. If test OK, please install it. If it can't show, please us at the very first time. And please don't force it to be installed in mobile phone. We will not be responsible once the screen is installed. 3: Do not over-bend cable Please make sure LCD cable Do not over-bend. Over 90 degrees bent will cause black display.