app, you can use wonder machine. if you know how to root, then everything is very flexible. you can remove app from ATT by titanium backup, you can improve/then use gps by upgrading your firmware to JH3 (outoffactory is JF6) . In the meantime, you can use a lot of patches to faster your phone by 2-3 times (test score from 900 to ~1800). more tempting to linux user, you can customize your phone kernel by imposing needed modules. Samsung has provided Captivate kernel online.
No problem with GPS, never tried to fix the GPS at all. Not sure if Samsung made some changes to the latest phone or not. The first day I got the Captivate, I did two thing, I unlocked it, then I rooted it. A few days later, I remove the sideload restriction and removed most bloatware from ATT. The only complain I have for Captivate: the battery life. the screen is really nice, better than iphones, but consume too much power.
【在 g****a 的大作中提到】 : No problem with GPS, never tried to fix the GPS at all. Not sure if Samsung : made some changes to the latest phone or not. : The first day I got the Captivate, I did two thing, I unlocked it, then I : rooted it. A few days later, I remove the sideload restriction and removed : most bloatware from ATT. The only complain I have for Captivate: the : battery life. the screen is really nice, better than iphones, but consume : too much power.