1. Fingerprint sensor flex cable for LG K40 LMX420 LMX420EMW LM-X420 / K12+ / K12 Plus / X4 (2019).
2. Replace your broken or unusable item with a new one.
3. Each item has been checked and in good condition before shipping.
4. Completely fit and work.
5. 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.