Controller not detected on iPhone
When iPhone won't detect your Xbox, PlayStation or other gamepad, it's usually the cable/Bluetooth pairing, a driver, or the browser/game not reading it. Try these, then test every button live.
Step-by-step fix
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Use a known-good data USB cable (not charge-only), or re-pair over Bluetooth. Press the controller's pair/sync button.
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Run the CheckMyMic controller test and press a button — buttons and sticks should light up.
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On iPhone, make sure the controller driver is installed (Xbox pads are plug-and-play; PlayStation pads may need Steam Input or DS4 tooling).
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Test the analog sticks for drift in the tester, and the triggers/bumpers.
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Restart iPhone and reconnect.
Frequently asked questions
My controller charges but isn't detected on iPhone.
Charge-only cables are common — swap to a data cable, or pair over Bluetooth. Then press a button and watch the controller test: once iPhone really has the pad, it also appears in its Bluetooth/USB device list, which is the quickest way to tell a cable problem from a driver problem.
How do I check for stick drift on iPhone?
Open the controller test on iPhone and don't touch the sticks — if the on-screen sticks move on their own, you have drift. Mild drift can be masked with a bigger in-game deadzone; drift that keeps growing is the stick module wearing out.
Still not detected on iPhone after every step — what's left?
Test the pad on another device: pair it to a phone or a second computer and open the CheckMyMic controller test there. Detected elsewhere means this machine's Bluetooth, USB port or driver; dead everywhere means the controller itself. Remember the tester only sees a pad after you press a button — that's how the Gamepad API works, not a fault.
Which controllers does iPhone support?
Xbox One S/Series, DualShock 4, DualSense and MFi-certified pads. Pair in Settings → Bluetooth with the controller in pairing mode. Once connected, Settings → General → Game Controller lets you remap buttons. In Safari, open the controller test and press any button — iOS exposes pads to websites only after a press.