Replacement touch screen sensor board for SAMSUNGsung Galaxy J4 (SM-J400F / J400G / J400M)

Black flex cable - color-matched for authentic restoration

Restores full multi-touch functionality after screen repair

High sensitivity for accurate touch detection and gestures

Compatible with all J4 black variants

Precision contacts for reliable signal transmission

Direct replacement - easy to install during screen assembly

Ideal for restoring J4 devices