What is the longest video iPhone can send?
AboutUp to 4,000 songsandUp to 16 hours videoThis is an approximate answer
How do you send a video from the iphone 4?
I looked up "iShred Guitar" in the App Store and I found iShred. Try looking it up again.
How do you take a video and send it in a text on an iphone?
Can you send video text messages on an iphone?
iTunes, drag and drop the music into iTunes if it's not already loaded. Then Sync.
If I send Apple my iPhone 3GS when the new iPhone comes out, will they send me an iPhone 4?
Phones are made with a built in obsolescence. They want you buying a new phone. Why on earth would they give you a new phone? They would much rather you buy one.