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How to Access test Mode on the iPhone

If you have got ever questioned what the values behind your iPhone’s bars meant then you will need to envision out the sphere takes a look at mode. Access iPhone Test Mode permits you to induce a numerical figure for your antenna’s strength rather than the 5 bars we have a tendency to be aware of. during this mode, you’ll even have access to a lot of diagnostic info which is able to in all probability be foreign to most users. Regardless, if you want to envision it out follow the directions below.

Software/Hardware used:

iPhone four running iOS 4.2.


  1. Open Phone and dial the following:

And the tap call.


  1. The iPhone can be mechanically open test Mode and switch the bars to their numerical equivalent.

To exit the sphere take a look at Mode merely presses the mouse button and you’re done.

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