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Basic Troubleshooting and Simple Repairs

1. Check Data Cable Connection If your is connected to a data cable, try unplugging it. Poor quality data cables can sometimes cause the screen to malfunction; unplugging the cable may restore normal screen.

2. Clean the Screen Dust, dirt, oil, or static electricity caused by dryness on the screen can lead to touchscreen malfunctions. Use soft cloth to gently wipe the entire screen, or remove the screen protector to clean it. You can also use a liquid crystal cleaner designed for computers (do not alcohol or household cleaners) to clean the screen and remove contaminants and static that may affect the touchscreen.

3. Lock and Unlock the Screen If you encounter a issue such as being unable to answer a call by sliding, try pressing the lock button to turn off the screen and then turn it on again. This often restores touchscreen operation. Prevent Static Interference Human static electricity can interfere with the screen’s sensitivity, causing operational issues. Wipe the screen with your entire palm2-3 times in one direction to remove static.

4. Check the Screen Protector (if any) Cheap screen protectors can easily generate static electricity, leading touchscreen malfunctions. If you have a screen protector, try removing it and then choose a qualified one. II. Software-Related Operations .1）Restart the Sometimes the screen malfunctions due to system issues. Long-press the power button to restart or shut down the phone, then turn it on again to see the touchscreen returns to normal. 2） Check the Operating System If the screen problem persists after a restart, consider checking the operating system for errors. If there issues, you can try repairing them with software tools or back up your data and reset the system. 3） Hardware-Related Operations

5. Battery Handling ( removable batteries) Turn off the battery, let the phone sit for about five minutes, then connect the USB data cable. Wet your hands and touch the metal part the USB cable with your thumb while your fingers touch the ground for about two seconds to discharge any static on the screen. Additionally, you can open the back cover the phone and touch the small metal block next to the battery (the phone’s vibrator) with your wet thumb while your fingers touch the ground for about two seconds this operation should be done cautiously and is only applicable to phones with removable batteries). 2. Use a Hair Dryer (caution required) Use a hair dryer blow hot air on the screen (focus on the middle area and blow evenly), allowing the screen to heat up (make sure to remove the battery first to prevent, and be careful during operation). Some users have found this method effective in solving screen issues, but it should be used with caution to avoid damaging the phone. Electric Shock Method (caution required) Use the static electricity from a lighter to shock the screen (cover the faulty area with a wet paper towel while shocking to alter the electric field. However, this method is not always applicable and must be done very carefully.

6. Tape Method Use clear tape to repeatedly stick pull at the faulty area until the screen’s sensitivity returns. Hold the phone steady and don’t apply too much force to prevent it from falling. IV. Other and Final Solutions 5. Combined Operations If none of the above methods work alone, you can try combining them and repeating the process. This has a 0% success rate in repairs.