For Samsung Galaxy J4 2018 J400 - Replacement SIM 2 & SD Card Tray Holder - Blue

Restore expandable storage and dual-SIM functionality with this OEM-Specification Combo Tray Replacement. Specifically engineered for the Blue J4 2018 (SM-J400), this tray features a dual-recess architecture precision-milled to the micron-level depths required for both the MicroSD UHS-I interface and the secondary SIM reader pins. It is the definitive hardware solution for resolving terminal mechanical issues such as "SD card not mounted," "SIM 2 not detected," or "tray jamming" caused by warped rails or fractured plastic partitions. Manufactured with a high-strength polymer, it ensures a 1:1 seated fit to maintain the device's original structural seal and Blue aesthetic.