Antenna with loud speaker replacement for Samsung Galaxy S3 i9300. Instruction not include, may require the help of technician. Please try to clear the replacement part with some alcohol and make it dry before installing it correctly. This will only work for Internationl model Samsung Galaxy S3 i9300 version. Please be sure this product is compatible to your model before you buy. Return will not be accepted once the item has been used or installed. It is needs professional skill to install, please be careful. We are not responsible for any damage caused by installation of this accessory. Available colors: Black Lily Summer product code: MA-1169-BL