Fangrui Product Details 1. For Galaxy J1 J100 Touch Panel 2. Before Installation Notes 3. Tips 1: Test Before Installation 4. When Testing, Do Not Remove Any Protective Film Or Tags. Please Pay Attention To The Problem Of Static Electricity. 5. Before Attempting Any Repair, Be Sure To Ground Yourself Is An Esd (electro Static Discharge) Strap. This Will Prevent Static Electricity From Damaging The Electronic Components Within The Phone. 6. Ensure You Wear Eye Protection And Use Caution Not To Cut Your Finger With The Glass Splinters. 7. Tips 2: Simulates Testing 8. Screen Is Very Fragile Product. We Strongly Suggest Test Before Installation. Please Simulates Testing, Which Means Mobile Phone Apart, (motherboard + Lcd Or Screen) Connected Audio Cable And New , Power On, Test Finished. If Test Ok, Please Install It. If It Can Not Show, Please Contact Us At The Very First Time. And Please Do Not Force It To Be Installed In Mobile Phone. We Will Not Be Responsible If The Mobile Phone Is Damaged During Installation. 9. Tips 3: Do Not Over-bend Cable 10. Please Make Sure Lcd Cable Do Not Over-bend. Over 90 Degrees Bent Will Cause Black Display. 11. About The Product 12. Touch Screen For Samsung Galaxy J1 J100 13. Your Broken Or Unusable Item With A New One 14. Make Your Device Look More Refreshing Than Ever 15. Completely Fit And Work 16. Each Item Has Been Checked And In Good Condition Before Shipping 17. Professional Installation Is Highly Recommended. We Will Not Be Responsible For Any Damages To Your Cellphonemobile Phone That You May Cause During The Changing Of Parts