2. Drop down the notification center, click Edit, and add launcher to the notification center;
3. Download the code icon you want to add. Look for it on your own network (the cell will look for the icon of the cell);
4. Open the launcher software, click the edit icon in the upper right corner (there is a pen), click the white plus sign "add new", select "custom launcher", fill in the name of the corresponding shortcut, such as "Cellular Network", and fill in the code of the corresponding shortcut in the URL.
5. Software icon, you can take a screenshot in the settings, then edit it in the photo and cut it into an icon close to the software. Then, when adding custom launcher, click Settings (namely screw icon), select custom icon-choose photo, select the icon you just cut, and adjust the size with your fingers.
Below is a translation of all shortcuts in the settings.
About-- about mobile phones
Accessibility-- auxiliary function
Autolock-- automatic screen lock time
Bluetooth- Bluetooth (less used)
Cellular/Mobile-- cellular data network (which I think most people should add)
Compass-- compass settings
Control Center-- control center
Date/Time-- period and time
Display/Brightness-- display and brightness
Do not disturb-- do not disturb mode
Facebook--Facebook settings
Facetime--Facetime settings
Game Center-- game center
General-- general
ICloud--iCloud login and settings
ICloud Storage--iCloud capacity viewing and setting
Internationnal-- language and regional settings
iTunes & App Store--iTunes and App Store account settings
Keyboard-- keyboard settings
Location Services-- location service settings
Mail, Mail,Contacts,Calendar-- mail, address book, calendar settings
Map-- map settings
Music-- music settings
Music EQ-- sound effect settings
Notes-- memo settings
Notifications-- Notification Center Settings
Passcode-- password setting
Personal Hotspot-- personal hotspot (the premise of opening this item is that cellular data has been turned on)
Phone-- phone settings
Photos-- album settings
Privacy-- certificate settings
Profiles-- privacy settings
Reminders-- Reminder Settings
Reset-- Restores the settings.
Ringtone-- ringtone settings
Safari--Safari settings
Sounds-- sound settings
Software Update-- software update
Touch ID & Passcode--Touch ID and password settings
Twitter--Twitter account and settings
Usage-- dosage
Videos-- video settings
Wallpaper-- wallpaper settings
WiFi--WiFi settings