The PopSocket adhesive is designed to stick to most materials, but has difficulty with some silicone and waterproof cases and anything with too much texture. Try adhering your PopSocket directly to your phone to see whether the sticky gel is working properly -- if it doesn't stick to your phone, the gel isn't working properly. In this case, rinse the base of your PopSocket with water (no soap!). Let it completely dry, but don't leave it unattached to a surface for more than an 15 minutes or it might lose its power forever.
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