iPhone:
Press once vol up then quickly release >
press once vol down then quickly release >
long press side (aka power) button till Apple logo appears (usually takes 5-15 seconds) then release
iPhone 強制重啟步驟：
快速按一下「音量大」按鈕，然後迅速放開。
快速按一下「音量小」按鈕，然後迅速放開。
長按「側邊按鈕」（電源鍵），直到看到 Apple 標誌（白蘋果）出現（通常需要 5-15 秒），然後才放開。
操作要點：
節奏要快： 前兩步按音量鍵的動作必須迅速。
無視關機滑桿： 長按電源鍵時，畫面可能會出現「滑動來關機」的標示，請不要理會，持續按住直到螢幕變黑並重新顯示 Apple 標誌為止。
適用情況：
螢幕凍結、完全沒反應。
黑屏但手機仍有震動或聲音。
手機卡在開機畫面（白蘋果）。
無法透過正常軟體方式關機。
iPhone Force Restart Steps:
Quickly press the Volume Up button, then immediately release it.
Quickly press the Volume Down button, then immediately release it.
Press and hold the Side button (Power button) until the Apple logo appears (usually takes 5–15 seconds), then release.
Key Tips:
Be quick: The first two steps (pressing the volume buttons) must be done rapidly.
Ignore the power-off slider: While holding the side button, a "slide to power off" prompt may appear — ignore it and keep holding until the screen goes black and the Apple logo reappears.
When to Use This:
Screen is frozen and completely unresponsive.
Black screen but the phone still vibrates or makes sounds.
Phone is stuck on the boot screen (Apple logo).
Unable to power off through normal software methods.