When you are purchasing a service plan, you will be required to purchase a SIM kit. This kit will include the 3-in-1 SIM sizes that fit all cell phones. Punch out your correct SIM size when you receive your SIM kit in the mail.
An Apple iPhone 4 uses a Micro sized SIM Card. The correct SIM size in a 3-in-1 punch out is shown below.
- Already got an iPhone 4? Find a new plan for your iPhone 4
- Need a new iPhone 4? View all carriers that offer the iPhone 4
When you are taking your current phone to a new carrier, it is called the Bring Your Own Phone (BYO) option. You'll also need to be aware of which carrier your phone was originally designed to run on.
Sim card sizes for other Apple iPhone models:
|Apple iPhone 4s||Micro SIM|
|Apple iPhone 5||Nano SIM|
|Apple iPhone 5c||Nano SIM|
|Apple iPhone 5s||Nano SIM|
|Apple iPhone 6||Nano SIM|
|Apple iPhone 6 Plus||Nano SIM|
|Apple iPhone 6s||Nano SIM|
|Apple iPhone 6s Plus||Nano SIM|
|Apple iPhone SE||Nano SIM|
|Apple iPhone 7||Nano SIM|
|Apple iPhone 7 Plus||Nano SIM|
Here is a short list of BYO options: