Tapping on your iPhone's display to pick up an incoming call can annoying when your hands are wet or dirty. It might even fail to register and cause you to miss your call. If you have a jailbroken iPhone, however, you can get rid of this problem entirely, thanks to a free tweak that lets you instantly pick up calls without having to interact with your phone's screen.
You can enable your iPhone's "Auto-Answer Calls" function to answer phone calls hands-free, but it's time-based and will no longer matter. Auto-answering calls from sketchy sources like telemarketers is less than ideal. Julio Verne 's "RaisetoAnswer (iOS 1
As the name suggests, RaiseToAnswer (iOS 11) works on jailbroken iPhones running iOS 11. If you've recently jailbroken your device on iOS 12, however, do not worry, the tweak should also be on this firmware without any problems. We've done it and it worked smoothly.
RaiseToAnswer (IOS 11) is not available either Cydia or Sileo from the get -go, so you'll need to install an external repo to download it. Basically, you just add julioverne.github.io to your "Sources" list for either app. That said, any repos you add in Cydia will not be added automatically to Sileo, and vice versa.  Installing the repository inside Sileo. Cydia is similar.
Step 2: Install RaiseToAnswer (iOS11)
With Verne's repo installed, open either Cydia or Sileo, type in "RaiseToAnswer" into the search field in the "Search" tab, then make sure to select "RaiseToAnswer (iOS 11)," the other versions will not work on your iPhone.
Now, either select "Confirm" (Cydia) or swipe up from the bottom of the "Queue" card and tap "Confirm" (Cydia) or "Get" (Sileo) on the following page to proceed "next to it (Sileo). How to Automatically Answer Calls by Just Putting Your iPhone Up to Your Ear ” width=”270″ height=”270″ style=”max-width:532px;height:auto;”/>