I would like to know why you connect your controller to your phone and the L3 and R3 buttons don't work, I'm using iOS 13 and I would like this problem to
HORI [L2/R2, L3/R3 button mounted] Remote Play Assist Attachment for PlayStation Vita (PCH-2000 only) - want.jp
for PSV1000 PSV 1000 L3 R3 Hand Grip Game Console Stand Case with L2 R2 Trigger Button for PS VITA 1000 Storage bag streaming|Replacement Parts & Accessories| - AliExpress
Amazon.com: Mayfan Elite Controller with Back Paddles for PS4, 6 Axis Sensor Modded Custom programmable Dual Vibration Elite PS4/PS3 Wireless Game Controller Joystick For FPS Games : Video Games