Qi Standard Wireless Charging Receiver for Samsung Galaxy S4 INSTALLATION INSTRUCTIONS: STEP 1: Open the back cover of your device STEP 2: Align the metal contact point with reserved phone contact point STEP 3: Once aligned, remove the adhesive sticker so the receiver will stick onto the battery STEP 4: Close the battery door Step 5: Place your device onto the power charging pad and it will start charging, Power charging pad sold separately