Why can't I fix Android and it always shows a black screen when turned on?

Steps to Fix it:

• Force the phone to restart. A hard restart can clear up a lot of crucial system issues. Depending on the model of Android phone you have, you may need to press a combination of buttons to force the phone to restart, such as: Press and hold the Home, Power, and Volume Down/Up buttons at the same time. ,Hold down the Home and Power buttons. ,Hold down the Power/Bixby button until the phone totally turns down. After your phone has completely shut down, remember to restart it.
• Connect the phone, then wait five minutes before attempting a Force Restart. This ensures that the phone has adequate power to restart, and rebooting the phone may clear any faults impacting the screen.
• Remove the battery if feasible, wait 30 seconds or more, then reinstall the battery and turn on your phone. If you are unable to remove the battery from your phone, you must allow it to totally deplete. Then try to restart the phone after recharging it.

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