How to Undo & Redo Typing on iPhone with a Shake

Want to perform an Undo or Redo on iPhone? Whether it’s undo typing or undo an action elsewhere, or redo anything, you’re in for some fun as you learn how to perform the undo and redo procedure on iPhone.
Indeed all iPhone models have a rather interesting way to “Undo” or “Redo” typing in iOS and in every single app… get ready for it because it’s probably not going to be what you expect: you shake the iPhone to undo and redo typing.
Yes, seriously, physically shaking the iPhone initiates an “Undo” or a “Redo” making the action buttons for each task visible. These can undo/redo anything, whether it’s typed text, copying, pasting, deleting text, basically whatever the last action was it will figure out.

If you need to record some simple sound or audio on a Mac, you can do so easily using a bundled app that comes with Mac OS X, without having to download any third party utilities. That app is QuickTime, which may come as a surprise to some users as it’s typically thought of as a movie viewing application, but believe it or not it has video,
If you need to find out just how fast your wi-fi link speed is, or rather, the speed of which your Mac is connected to a particular wireless router, you can find this data through the Network Utility app that is bundled in every version of Mac OS X.
If you have multiple email accounts setup with Mail app on your iPhone or iPad, you’ve probably noticed that each email account name defaults to the provider, like “iCloud”, “Gmail”, “Outlook”, and “Yahoo”. Those names aren’t the most explanatory, and it can become even more confusing when you have two mail accounts from the same service provider setup with Mail app, where you may end up with “Gmail” and “Gmail” or “Outlook” and “Outlook”, one of which may be 









