1. High quality antenna cable for 5.5 inch Asus ZenFone 2 / ZE550ML / ZE551ML. 2. Replace your broken or unworkable one with a new one. 3. Each item has been checked and in good condition before shipping. 4. Professional installation is highly recommended.We will not be responsible for any damages to your cellphone/mobile phone that you may cause during the changing of replacement parts.