Mate 20 Pro: $ 128: Mate 30 Pro: $ 228: P20 Pro: Here are some of the most common types of Huawei phone repair: Screen Repair/Replacement Screen repair or Thread Details - HUAWEI Community. There might be a network problem, please try again. My mate 20 pro went black while I was using and it never came back to life. It just shows red indicator light above all the time. The phone dont vibrate. It looks all dead.. what may be the issue.i know alot have faced this problem. Guides on exploring and utilizing advanced features and capabilities of the device. This guide is for the Huawei Mate 20 Pro, which is equipped with a Li-Po 4200 mAh, non-removable battery and a 6.39 inches, 100.2 cm2 (~87.9% screen-to-body ratio) display Unlock Huawei Mate 20 Pro Using Android Multi-Tool. Step 1: Download the Android Multi-Tool Software. Step 2: Moreover, Install the required USB drivers for your particular smartphone model. Step 3: Connect your smartphone to a computer using original cable. Step 4: Boot your smartphone into Android boot mode. rmoK.