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Today, Apple released their first iOS 11 public beta. As some noticed in earlier versions (first developer beta), using Field Test Mode to permanently switch your signal rating from bars to numbers (like image below) seems to no longer work (For instructions on how to do this up through iOS 10, see iPhone Field Test mode permanently in iOS 7).

My question is, is there a way to enable this, and what is it? I hope to keep this question/answer updated through the beta phase until the final release, or the option reappears.

This is a random screen capture with the numbers in the corner (iOS 10):

Here it is, automatically reverted to bars with iOS 11:

Edit June 27: I can’t get the Field Test Mode options to finish loading either; has anyone else been able to? My screen just has the "connecting..." circle spinning indefinitely (notice there are bars, not numbers in the top left). If it helps, I’m on AT&T.

Edit July 12: iOS public beta 2 released. Permanent change still it possible, but the options have come back to Field Test Mode:

  • I’ve never known this to make anything but a temporary change. What you describe is how iOS 10 works for me. Maybe there is another piece or setting to the puzzle we can both learn. – bmike Jun 27 '17 at 11:46
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    There was a way to make it essentially permanent. (I've used it constantly for the last four or so years and two iPhones). You can see the instruction in the link I posted in the above question: iPhone Field Test mode permanently in iOS 7. (Look at both the questions and the answers). Am I missing something? – NoahL Jun 27 '17 at 18:37
  • I have noticed this feature is gone as well in the beta. And the instructions I used in the past no longer work. Also the field test screen is completely changed. – Connor Corbet Jun 28 '17 at 1:40
  • It’s been updated in iOS 11 beta 2, but the instructions we’ve followed no longer work. Someone will update us soon. In the meantime, we’ll sit tight & wait. 🤙🏼 – Chad Garber Jul 12 '17 at 23:16
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    Field Test Mode works as normal in the latest version (beta 5), but it's still showing bars in the corner instead of a number, even within FTM. – DonielF Aug 9 '17 at 1:05

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