Method/Step
1, in the mobile phone to open "Cydia", and then click on the Cydia "search" (only the escape of the Apple phone only Cydia icon OH)
2, then we enter "Bars" after the Cydia search box, click the Search button.
3, now we will see in the search results page there is a bars plug-in, click to enter the details and then click the "Install" button, as shown in the picture
4, and then we click the "Confirm" button, as shown in the picture
5, so our Cydia will help us automatically install bars, after installation, click on the following "Restart Springboard" button, as shown in the picture
6, waiting for the restart to complete, you can see the original signal strength Display icon has become the original iOS6 style display, as shown in the picture
Friendly tips, this tutorial must be in the state of the escape can be used oh, if not jailbreak the Apple phone is temporarily unable to modify the signal icon OH.