What about the signal difference after Apple's iOS system is updated? Try this method. It's very effective.

IPhone iOS 12 version is constantly updated. There are many versions of iOS 12. Maybe the fruit powder is a little confused. Which is the latest version? Which version is the best? Do you need to update the system frequently?

So many questions, I'll tell you slowly. First of all, the updated version of iOS is only to solve the bug of the previous system, and there is no update in essence, so if your previous iOS system runs smoothly without any problems, you don't have to waste time updating and upgrading.

There are still some bugs in the current system update. Although it has been repaired, there are still hidden dangers. To be on the safe side, it is not a big system upgrade announced by Apple, and it does not need to be updated. Frequent updates are easy to make the phone stuck, power consumption, poor signal and other problems.

Often appear signal difference, no response, how to solve? Apple's iOS is currently in the updated iOS 12. 1 beta 2, and is upgraded to 1.0 1.20- 1 in a solid state, mainly to solve the problem of poor signal and slow response of iPhone. If your iPhone signal is still weak, just upgrade to iOS 12. 1 beta 2.

Another way is to accidentally delete and retrieve SMS and chat records. Finding the mobile phone data recovery wizard in the browser is a simple and effective method, so try it.