Source: 

Find your model in the list to see which SIM card your iPhone or iPad with Wi-Fi + Cellular uses.

 

Nano SIM card

   

 

iPhones with Nano SIM

  • iPhone 6s Plus 
  • iPhone 6s
  • Phone 6 Plus
  • iPhone 6
  • iPhone 5s
  • iPhone 5c
  • iPhone 5

iPads with Nano SIM

  • iPad Air 2*
  • iPad Air
  • iPad mini 4*
  • iPad mini 3*
  • iPad mini 2
  • iPad mini

 

*These models are compatible with Apple SIM.

 

Micro SIM card

   

 

iPhones with Micro SIM

  • iPhone 4s
  • iPhone 4

 

iPads with Micro SIM

  • iPad (4th generation)
  • iPad (3rd generation) 
  • iPad 2
  • iPad

SIM card

    

iPhones with SIM

  • iPhone 3GS
  • iPhone 3
  • iPhone
     

   

Learn more

  • Identify your iPhone or iPad model
  • Damage to the SIM tray or the device caused by a modified SIM card isn't covered by Apple's hardware warranty. If you cut or modify your SIM card to fit a different device model, you might not be able to connect to cellular networks or access certain features using that device.
  • If you get a new iPhone and your old SIM card won't fit, contact your carrier to move your account to the SIM card that came with your iPhone, or ask how to get a new SIM card if your iPhone didn't come with one.