If you only have minor glitches, try first – it preserves user data. Use dload only if the phone won’t boot at all.

The Huawei P9 Lite 2017 runs on Android 7.0 (Nougat) out of the box, with Huawei's EMUI 5.0 skin on top. The interface is clean and intuitive, with features like gesture navigation, themes, and a built-in app drawer.