Huawei GR3 GR3 User Guide - Page 50

 Block unwanted calls, messages, and notifications.  Manage application permissions and set App lock to protect your privacy. Services and functions provided by Phone Manager vary with country and service provider. Optimizing the system You can check and make your phone run more smoothly and quickly using Phone Manager. On the home screen, touch . You can then:  Touch Scan or Touch to scan to check your phone's running status, clean trash files, optimize system performance, and clear up security risks.  Touch Phone accelerator to close the power-intensive applications, scan for and clear the cache, trash files, and unnecessary applications and application installation packages. Power saving 1. On the home screen, touch . 2. Touch Power saving to check your phone's power consumption and extend your phone's standby time. You can switch to different power saving modes as required. Harassment filter On the home screen, touch . You can then:  Touch Harassment filter to set a blacklist to block unwanted messages and calls.  Touch Notification center to block unwanted push notifications.  Turn on Do not disturb. Your phone will ring only when you receive calls from allowed contacts. Tones for other calls, the message tones, and other notification tones will be muted. Calendar Calendar is your personal assistant that helps you manage, arrange, and keep track of all important events in your life. For example, you can plan your daily schedule in advance and view holiday information. If you have saved birthday information for your contacts, Calendar automatically creates birthday reminders. 46