iPhone (1st generation) — Shipped with iOS 1, updates to iOS 3.1.3

Frequently asked questions

What iOS version does iPhone (1st generation) support?

iPhone (1st generation) can update to iOS 3.1.3. That is the newest version Apple offers for this model.

What version did iPhone (1st generation) come with?

iPhone (1st generation) shipped with iOS 1.

Which chip is in the iPhone (1st generation)?

iPhone (1st generation) uses the APL0098 chip.

What is the model identifier of iPhone (1st generation)?

The model identifier is iPhone1,1. You can match it against the Model Number shown in Settings → General → About.

Running the beta on this device

If iPhone (1st generation) is still on Apple's compatibility list, you can install the current beta on it. Check Supported Devices to confirm, then follow our install guides. Devices that no longer receive major updates stay on iOS 3.1.3.

Thinking of upgrading?

Wondering whether it's a good time to replace your iPhone (1st generation)? The Buyer's Guide shows how long Apple's current models have been on sale and how long previous ones lasted, so you can tell whether to buy now or wait.