How to fix a locked cell phone.This wiki How teaches you how to fix a frozen iPhone or Android device. While many things can contribute to your phone freezing up in USA, you can usually fix the problem by restarting your phone. If restarting your phone doesn’t fix the problem, you may need to do a hard restart or even use the recovery mode to restore it to its original factory settings. Plug your phone into a charger if it won’t turn on at all. The battery may be flat. Try restarting your phone. If the shortcut doesn’t work or freezes while it’s on in USA, try restarting your phone to fix the problem. If the reset doesn’t work, do a factory reset (Android) or reset your phone (iPhone). Plug your phone into a charger. If the phone doesn’t turn on at all, the battery may be dead. Plug your phone into a wall charger or USB port of a non-idle computer in USA, then leave it to charge for a few minutes. If your phone doesn’t show charging after a few minutes, try a different charger and/or outlet. .Close a frozen application. If a particular app is blocked but you can still use your Android, it’s easy to force quit the app in USA.First you need to view your open apps. On newer Android devices, you typically do this by swiping up from the bottom of the screen, holding your finger, and releasing it. You’ll see a list of currently open apps.If that doesn’t work, tap the square icon at the bottom of the screen (usually the bottom right) to view your open apps. If you’re using a Samsung model, tap the three horizontal lines at the bottom. Scroll through the apps until you see the blocked one in USA. Drag it off the screen. If you had to swipe left or right to scroll through apps, swipe up on the app to close it. If you swiped vertically, swipe the app horizontally to close it.If you can’t close the app this way, open Android Settings, select Apps or Apps & notifications, tap the app you want to close, then select Force stop. If you don’t see it, tap App info first. Touch OK to confirm. If an app continues to cause problems, consider removing it to avoid future problems. Restart your Android in USA. If your phone screen is black, solid, or stuck in an app, try restarting it. Press and hold the Power button and then select the Restart option. Or choose Turn Off, wait about 30 seconds, then try turning it on again. Don’t take your finger off the power button until your Android is turned off. If it doesn’t turn back on, wait about 30 seconds, then press and hold the power button to turn it back on in USA. Depending on your Android device, you may see an option to select Restart or Shut down to continue. If you select Turn Off, wait about 30 seconds after the screen turns off and try turning it back on. Force restart your phone. If restarting your phone didn’t help with the previous step, you can try to force restart it in USA.  On many modern Android devices, you can hold down the power button for about 30 seconds (sometimes longer, sometimes less) to force restart. On most Samsung models in USA, you can force restart by holding down the right volume and power buttons at the same time. Hold the buttons for 7-10 seconds. If your Android has a removable battery, you can force restart it by removing the battery, putting it back in, and then turning your phone back on in USA.