The iphone 3g Is A brilliant Piece Of Technology, Both Inside And Out. Despite Its Beauty, The iphone Is Not Impervious To Damage. If You Damage The Phone, You Will Need To Have It Repaired, Which Can Be Costly. With A Little courage And The Right Steps, Take The 3g iphone Apart Yourself And Replace Any Parts You Need To Fix. This Process May Be Riskier Than Professional Servicing, But It Will Save Money In The Process.