The screen is unresponsive at all costs and will NOT be detected by a laptop/PC. A few hours ago, the only way to get it working was to put it into safe mode and restart i. 1 of 1. Check Latest price. The Huawei Y9s is a reliable and feature-packed smartphone with a stunning 6.59-inch display and 48MP triple AI cameras. It comes with a pop-up front camera for auto selfies and a powerful 4000mAh battery. The Breathing Crystal color adds a touch of elegance to its design. Try wiping the cache partition to get started. Turn off your Huawei P20 Pro by holding down the power key, and then tap Power off . Once it’s turned off, press and hold the Power and Volume Up keys until you see the Huawei logo. Then release the Power key, but press and hold the Volume up key until you see the IEMU on the screen. Huawei is the best phone but “Sound not working” is very common problem on Huawei P20 lite (2019) devices. Good news is you can Fix this by yourself within 10 min. First you have to understand what type of sound problem you have then you can easily fix it. .

huawei p20 lite touch screen not working