Can an iphone be used as a dongle?
Can you use a USB Bluetooth dongle be used on a PS2?
Unfortunately,no.Since it is not recognized it would require a driver,and there are none for the ps2's operating system.
Can you use a 3 mifi dongle on an o2 iphone?
You can't. If you need to replace the battery for any reason, take it into the Apple store.
How can i convert a BLUETOOTH dongle to a WIFI adapter/dongle device?
simple answer. Unfortunately you can't as far as i know. Bluetooth and wifi operate on different bandwiths and therfor the dongle hardware is built to accommodate that. Sorry.
Can the sim card from iPhone 4 be used with iPhone 5 4S?
Yes. SIM cards can work on ANY other GSM unlocked phone.