Thank you for ordering with Gearbest.
We regret that the item is not to your satisfaction. Customers are advised to follow our instructions to use this item. If it still not works well for your product, please contact us for help.
You can contact us through this link: https://www.gearbest.com/about/contact-us.html. Our customer service will offer solutions to your issue according to our warranty policy: https://www.gearbest.com/about/warranty-and-return.html.