You iPhone can have a different amount of memory/gigabytes. It comes in 4 amounts. 8G, 16G, 32G, and 64G. Either one of those is the memory you should have. You can tell how many Gigs your iPhone is by looking on the back of the phone.
It is on the packaging that the iPhone is in or you can check the available memory via iTunes or the handset.
balls
8 GB .
8gb v 16gb iphone
No, you can not upgrade your iPhone 3G memory.
The iPhone 4 has 512 MB of RAM, which means "random access memory". It doubles the amount of memory found in the iPhone 3gs. It is expected to help run multitasking applications more efficiently.
32gb is the largest a iphone goes w memory
There are 2 versions: 16 Gb and 32 GB.
RAM: 512MB Flash Storage: either 16GB or 32GB
The highest memory you can get is 32GB
There's no such thing. The iphone does not have a memory chip you can plug in. If you mean internal spare parts then ebay.