S4 SlimPWRcard - Qi Wireless Charging 0.5mm Receiver Card Coil for Samsung Galaxy S4 SIV I9500 I9505 with Full NFC Support
S4 SlimPRWcard is a Qi wireless receiver for your Samsung Galaxy S4. It is attached to the battery of your device, and is designed to be hid behind a battery cover, no matter original or custom. The receiver will not interfere with the NFC functions of the phone, thus providing unobtrusive experience, so you can enjoy your phone as usual, without compromises to its vital functions.  With the S4 SlimPRWcard, your great phone just got even greater.S4 SlimPWRcard is not compatible with Samsung Galaxy S4 Active or Mini.Instruction steps:Step 1: Remove the back cover of the S4.Step 2: Remove the double sided tape from the S5 SlimPWRcard.Step 3: Attach the S4 SlimPWRcard to the back of the battery firmly, ensuring the contact pins are properly connected to the connectors on the phone.Step 4: Reattach the back cover of the S4.Step 5: Place the S4 on top of Qi wireless charging transmitter.