There are a number of ways you can reset iPhone without SIM card. The iOS software will work normally after reset, however functions and apps that need mobile services will not work until you insert the SIM card.

How to Reset iPhone without SIM Card?

Following are top 3 methods to factory reset iPhone without SIM card, all these methods are available for iPhone 7/8/X/XR/11/12.

The Safest Way to Reset iPhone without Sim Card [iOS15]

iMyFone Umate Pro is a recommended option when you want to reset your iPhone without Sim Card in the safest possible way.

Why it is the Safest Way?

iMyFone Umate Pro iPhone Data Eraser erases data permanently. So when you reset your iPhone via Umate Pro, you will be making sure that no one can recover it with any recovery software. Since your privacy is secure and protected, this is the safest way to reset your iPhone.

Umate Pro iphone data eraser

1,000,000+ Downloads

Key Features:

  • Erase all data from your iPhone and fully reset it without any chance of recovery.
  • Permanently erase your deleted iPhone files and make them 100% unrecoverable.
  • Permanently erase private data such as contacts, call history, messages, data stored by third-party messenger apps such as WhatsApp, Viber, Kik, etc.
  • Preview files before permanently erasing them.
  • Free up iPhone space with a single click via 1-Click Free Up Space feature and boost iPhone’s performance.
  • iMyFone Umate Pro is fully compatible with iOS 15 and receive lots of positive reviews from,, etc.

Windows version Mac version

Steps to Erase iPhone without Sim Card

Follow these instructions:

Step 1. Open iMyFone Umate Pro on your Mac or Windows PC. And connect your iPhone to your computer with a compatible lightning.

Step 2. Once your iPhone is detected in Umate Pro, click on Erase All Data tab and then click on Erase.

guide erase all data screen

Step 3. On the next window, you will need to select Security Level of deletion. It is recommended that you select Medium security level. You can select Low, High as well depending on your preference.

select security level to erase all data

Step 4. Next, type in the word ‘delete’ in the textbox on the same window. And finally click Erase Now button to start the deletion process.

erase all data

Reset with iTunes

When to Use This Method?

You should use this method when you have your iPhone with you and you want to fix this issues on your iPhone. Before resetting, you can make a backup.


The main drawback of this resetting method is that the data erased is not permanent and can be recovered via recovery software. This means your privacy will be at risk.

Steps to Reset iPhone Via iTunes

Step 1. Open iTunes on your Windows PC or Mac. Connect your iPhone with your computer via lightning cable.

If a Trust This Computer message is prompted, then follow the on-screen steps to Trust the computer.


Step 3. In iTunes, select your iPhone and then navigate to Summary > Restore [device].

Step 4. Click Restore again to proceed. iTunes will erase all data on your iPhone and download and install latest iOS software. Your iPhone will automatically restart once the reset process is completed.


Reset with iCloud

When to Use This Method?

Use this method when you don't have your iPhone with you e.g. it is lost or stolen. You will need to use Find My iPhone feature to reset your lost/stolen iPhone.

Steps to Reset iPhone Via iCloud

Follow these instructions:

Step 1. Go to and login. Use the same Apple ID and password when logging in as the iPhone you are trying to reset.

Step 2. Once you are logged in, a list of iOS devices will be displayed that are linked to your Apple ID. From that list, select your iPhone that is lost/stolen.


Step 3. Now select Actions and then tap Erase. The app will ask you to confirm your action. Tap Erase iPhone option to proceed.


Step 5. You will need to enter your Apple ID and password again. Input them and then tap Next.

The app will now ask you to type in a message that will be shown on the Lock screen of your iPhone with your phone number. After typing the message and phone number, tap Done. Your lost/stolen iPhone will be reset immediately if its online. If it is not, then it will reset the next time it gets online.