Enabling the -dBm Signal Meter in iOS 7

This worked perfectly on every version of iOS since version 4.1. But what iOS 7 has brought with its' many under-the-hood changes has also caused some tweaks to either stop working completely or if we are lucky simply needs to be implemented differently. The -dBm meter happens to be one of them, so if you …

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Enable the -dBm signal meter

Here's something I've been doing since iOS 4.1 I believe if not earlier. Doing this trick will give you a more accurate signal reading than the meaningless default meter bars. It requires you to put the iPhone into field test mode without any jailbreaking and it's pretty simple. To enter field test mode, open the …