Pantaohuaes Fingerprint Sensor Flex Cable for Galaxy J4 (2018) SMJ400F/DS J400G/DS (Color : Grey) Restore fingerprint recognition and homebutton function quickly and affordably with this directreplacement fingerprint sensor flex cable designed specifically for Samsung Galaxy J4 (2018) models SMJ400F/DS and J400G/DS. The flex cable is precisionshaped to match the phone's original connector and mounting points so it installs with a clean fit. Key benefits Restores security and convenience: replaces a damaged or nonworking fingerprint sensor so you can unlock your phone and use fingerprint authentication again. Accurate fit and alignment: designed for the exact layout of Galaxy J4 (2018) SMJ400F/DS and J400G/DS to ensure proper connection and placement. Easy option: costeffective alternative to fullmodule replacement or professional service; suitable for DIY or workshop use. Features and attributes Compatibility: Samsung Galaxy J4 (2018) — model numbers SMJ400F/DS and J400G/DS. Functionality: fingerprint sensor flex cable assembly for fingerprint recognition and homebutton connection. Color: Grey, matching original component appearance. Construction: flexible printed circuit (FPC) cable with integrated sensor interface and connector designed for the phone's internal layout. Performance: engineered to restore reliable contact and signal transmission between the fingerprint sensor/button and mainboard when properly installed. Typical use cases a broken or unresponsive fingerprint sensor after accidental drops or impact. devices sold as 'no fingerprint' or with damaged homebutton assemblies when refurbishing or reselling. Perform in repairs or DIY maintenance to restore full device security features without replacing the entire rear or front assembly. What's included 1 x Pantaohuaes fingerprint sensor flex cable (Grey) compatible with Galaxy J4 (2018) SMJ400F/DS and J400G/DS. Notes Intended as a replacement flex cable for the listed Galaxy J4 (2018) models only. Professional installation or careful DIY handling is recommended to avoid damage to delicate connectors and components.