iFlight V3 Unibody Aluminum Alloy Silver Replacement Mobile Device Holder for DJI Phantom 3 4K Professional Advanced Solving Original Wiggly Problem Ultimate solution for wiggly problem of DJI remote controller original plastic mobile device holdercompatible with DJI Phantom 3 4K,Professional/Advanced Transmitter, not for phantom 3 standard This version Features easiest way of assembling, will not bother assembling issue Unibody design, not screw joined together, more stable, high quality CNC aluminum, strong and durable Upgrade enlarged hole for the attachment of the DJI original lanyard With replacement screws, so will not bother damaging or losing original screws