Never attempt a system update with less than 50% battery.
If you are reading this article, you have likely encountered a frustrating roadblock while trying to restore or update your Huawei or Honor device. You followed the standard procedure—perhaps navigating to http://www.emui.com/emotiondownload.php?mod=restore —initiated the process, and were abruptly stopped by the message: Never attempt a system update with less than 50% battery