Comaptible models:for K51 LM-K500MM LM-K500UM3 Brand new Easy for you replace your faulty,cracked or broken one ,seller remind that you should replace this in the off state. Please check the Model Number of your device before purchasing this Item. You can find the Model type of your device on your device and / or in the settings. Professional skill is highly recommended, installation instruction is not included ruichuang Fingerprint Sensor Flex Reader Scanner Cable home button Replacement for LG K51 LM-K500MM Grey LM-K500UM3