Tip 2: Charge Your HUAWEI P20 LITE. Sometimes, a completely drained battery can be the reason behind this issue. Ensure that your HUAWEI P20 LITE is adequately charged. Steps: 1. Connect your HUAWEI P20 LITE to an original charger and let it charge for at least 30 minutes. 2. After a charging period, attempt to restart the device. Turn on the phone. Press and hold the power button until the device turns on. In case the above steps fails to fix the problem then it’s very likely that the phone has suffered from water damage Inspect the phone's charging port and the cable's connector for any pocket lint or debris blocking them (only use a thin piece of plastic No METAL!!! Look up how to go to fastboot/recovery mode. You might wanna try clearing your cache first and try again. If that doesn't work, try starting in safe mode. Hi there I bought a Huawei P20 pro 128 GB 2 weeks ago and 3 days ago began having the same exact issue, It would only charge if I turned the phone completely off, and when it was on it would be stuck to the setting reverse charge even when I had nothing connected to the phone it would continue telling me I am currently connected via USB and reverse charging. Ok, so i got this random Huawei P20Lite right? Back isnt pealed off, works fine, no damages. BUT WAIT About Works Fine It Wont really boot up into The OS!!! Somethimes shows this really weired Image when pluged in and charging the phone, or randomly: A green Screen with a Red Square on Top and a Blue one Down. I Can't turn it on, can't fast boot or boot into recovery. The red light is just constantly on with screen off.if I hold the power button or try a recovery boot the red light goes off then comes on again. I've tried plugging it into the charger with no change, I think it was at 70% when it went unresponsive. Thread Details - HUAWEI Community. Home. Hello i have met the death of my Phone Huawei P20 lite, today just turned to black logo screen and, wont reboot system wont backup, please help! The red light is just constantly on with screen off.if I hold the power button or try a recovery boot the red light goes off then comes on again. I've tried plugging it into the charger with no change, I think it was at 30% when it went unresponsive. I can't find anything about this issue hence why I'm posting here. rBOdKn.