1. High quality power button and volume button flex cable replacement for Lenovo Vibe S1 S1c50 S1a40. 2. Replace your broken or unworkable item 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.
