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Is it not working? A source on Discord said that it works fine on CDMA 7/7+ devices on DP4. I know for a fact that DP1 and DP2 broke it, though.
I'm on a Verizon iPhone 7. I can get it to run, but I can't get the decibel readout to replace the bars.
 
Yeah I recall to get numerical values now that you have to go into the serving cell section?
Well if you went into field test mode, then force-quit the bars would change permently to numerical values without browsing any of the field test menu. Still that seems to have changed with this official iOS 11 release.
 
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