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Hi<br />
<br />
I have bought a used iPhone 2g. It has OS 3.1.2. <br />
<br />
It has very low volume with ear piece. It becomes difficult to talk on phone due to very low volume.<br />
<br />
It is jail broken/unlocked.<br />
<br />
Can this be fixed?
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Hi

I have bought a used iPhone 2g. It has OS 3.1.2. 

It has very low volume with ear piece. It becomes difficult to talk on phone due to very low volume.

It is jail broken/unlocked.

Can this be fixed?

Low Ear-piece Volume

The iPhone is a smartphone made by Apple Inc. It and the iPad, along with several other mobile devices from Apple, run on the iOS operating system, which has its own topic, as does the iPad for device-specific questions. Native iOS applications are written in Objective-C or in Swift using the Cocoa Touch frameworks or HTML5 compiled with the help of a package manager such as Adobe PhoneGap; a common IDE is Xcode.

iPhone

Apple's early computers ran on a variety of operating systems, including a Pascal version and one based on CP/M, before releasing its ProDOS with the advent of its 16-bit computer. With the release of the Lisa, which had its own OS, Apple and computing entered the graphical age; it was followed by the Macintosh, which offered a series of "System" operating systems. Other Mac operating systems included PowerPC until Apple acquired NeXT and folded it into the Mac OS. Current operating systems for Apple devices are Mac OS-X and iOS.

Apple OS

A cellular phone (also known as a mobile phone, cell phone, hand phone, or simply a phone) is a telephone that can make and receive telephone calls over a radio link while moving around a wide geographic area by connecting to a cellular network provided by a mobile phone operator, allowing access to the public telephone network. Mobile phones that offer services such as text messaging, email, Internet access, business applications, gaming, photography and more general computing capabilities are referred to as smartphones.