How to adjust the size of Apple bell?

Several ways to adjust the volume of Apple mobile phone: There is a volume button on the left side of Apple mobile phone. The upper button is the volume up button and the lower button is the volume down button. Turn on the phone settings-sound, and slide left and right to adjust the volume; When the mobile phone screen is locked, slide the mobile phone screen upwards, open the control panel and adjust the volume; In the state of using headphones, you can also adjust the volume by adjusting the "+"and "-"keys of headphones. Expand the data security function. Enter a keyword, and all related items in your notepad and SMS will be searched out, whether you delete them or not! Solution: Go to Settings → General →spotlight Search → Check what you don't want to find → Remove. You can set the iPhone input method to abbreviate a phrase or word into any word you want. Open → General → Keyboard → Add a new keyboard, but there is no Jiugongge input method. Ps: Starting from iOS7Beta4, the iPhone of the Bank of China can select "Jiugongge" in the simplified Chinese input method to open Jiugongge input. If you want to save a picture of a website to your mobile phone, click and hold the picture until the menu pops up, and then click "Save Picture" to save it to your mobile phone. You can switch the Do Not Disturb function in the settings. Lock your cell phone when you sleep, which means you won't get messages or receive phone calls. To write a short message by voice is to click the microphone icon on the keyboard interface, and your iPhone can type the corresponding text as long as it speaks into it. This function is very accurate.