Test before installation. When testing, do not remove any protective film or tags. Ensure you wear eye protection and use caution not to cut your finger with the glass splinters. Test this replacement Charging Port with the motherboard before completely fixing it. Once you are satisfied with the quality of the replacement part, then only, install it completely.If you are not satisfied with the quality, please return, with in the return window(i.e., 10 days from the date of delivery), it in its original condition for a replacement or refund.