One of the the problems on which Apple has not yet resolved them in terms of iPhone it is the volume of calls in progress (in-call), which leaves much to be desired. Including on the last iPhone launched, namely iPhone 5 (which has different hardware from previous iPhones), with the volume in-call Given the maximum, many users complain that they cannot understand what the people they discuss when they are in a somewhat noisy environment.
Volume Amplifier It's O application for iPhone 5 (does not work on previous models) that allow users to grow Volume Call in progress (in-call volume) with up to 200%, so that the discussions can be worn even in noisy environments without any problem.
The application should not configured After installation (it does not display either ICON in app drAwer). Users must simply press the button Volume Up During the first telephone conversation worn after installation (the first time you will use Volume Amplifier, a few will be displayed instructions of the application) to set the volume according to your preferences.
Users who want to use amplifier volumes must have iPhone jailbreak-out (The application is available in the category BigBoss in Cydia) and be willing to spend 1.99$ to buy it.
Note: It is recommended to set the volume between 120% and 150%; A larger volume than that distorts the voice of the people with whom you wear the telephone call.
STEALTH SETTINGS – Increase in-call volume up to 200% on iPhone 5
