Yes, you can fit any large phone whit BOLD case in the GameSir X2 Pro with a simple MOD (TUTORIAL) : r/AndroidGaming

From Trash to Treasure! / The Gamesir X2 Pro is Amazing!

Gamesir X2 Pro in games : r/EmulationOnAndroid

Modded my gamesir x2 pro to fit y700 : r/EmulationOnAndroid

From Trash to Treasure! / The Gamesir X2 Pro is Amazing!

GameSir-X2 Pro-Xbox (Android) gaming controller review - like carrying around an Xbox Series X - The Gadgeteer

GameSir X2 Pro-Xbox Mobile Gaming Controller for Android Phone, for xCloud, Stadia, Luna- 1 Month Xbox Game Pass Ultimate(White)

GameSir X2 Pro-Xbox Mobile Game Controller for Android Type-C (100-179mm), Phone Controller for xCloud, Stadia, Luna - 1 Month Xbox Game Pass Ultimate -Passthrough Charging (Black) : Video Games

Ultra thin cases will work with the Gamesir X2 without any modification : r /EmulationOnAndroid

Rate my setup (GameSir X2 Pro + S22U) : r/AndroidGaming

GameSir X2 Pro Gaming Controller for Android Review

GameSir X2 Pro-Xbox Mobile Game Controller for Android Type-C (100-179mm), Phone Controller for xCloud, Stadia, Luna - 1 Month Xbox Game Pass Ultimate -Passthrough Charging (White) : Video Games

Tutorial: How to use GameSir X2 Pro-Xbox For Android – GameSir Official Store