Yes, you can. As long as the iPhone 4S you are looking to put on the Straight Talk network is "unlocked" and thus free to access another carrier's service.Once you're sure that your phone is unlocked, you just need to purchase a Straight Talk SIM card, and then activate. See the link below to find where Straight Talk lays out this process.
you can tbuy an iphone without at&t.....
Google Talk can be used on the iPhone.
Yes, you can use the droid incredible with the straight talk.
Yes you can use the iPhone on Straight Talk. You hold the home button, and it will bring up voice control you say what you need that is programed in your phone. Like, music, contacts, dates and times, and notes etc.
No, only straight talk phones purchased at Walmart will work
Yes, you should be able to use Instagram while on a Straight Talk service.
You use the serial number of your straight talk phone. That is your account number.
I use straight talk for my prepaid service, I would like to have a smartphone that is compatible with this plan
I like the Razr. In all honesty though, every straight talk phone seems to get good reviews. I use straight talk for my business line and it works really well.
yes
Yes you can.