I followed this guide and also bought the battery kit from iFixit. It took around 15 minutes – hardest part was prying the old battery out. The Kit
Archive of posts tagged phone
Overclock my iPhone 3G
Why upgrade – it does everything I need and more than yours.. and now the CPU is faster http://www.sinfuliphone.com/showthread.php?p=135477#post135477
Cingular Unlocks Blackjack for Free
Perfect, now I can use a Greek SIM chip in my phone. Cingular20Unlocks20Blackjack20for20Free