You just need to make sure you clean the case thoroughly with an alcohol pad (where you want to place the popsocket) let it air dry. How to get a popsocket off your case.
Stick on the popsocket and press down firmly, but, let it cure for at least 24 hours before trying to use it.
How to get a popsocket off your case. The sticky gel adhesive at the back of the popsocket lets it attach to your smartphone or phone cover. Press the popsocket down firmly to let he adhesive part stick to the phone. After deciding on your ideal position, pull the adhesive sticker gently from one side expose the adhesive.