How to Check Signal Strength on iPhone 13: A Step-by-Step Guide


Michael Collins

how to check signal strength on iphone 13

Checking the signal strength on your iPhone 13 is a simple task that can be accomplished in a few steps. Whether you’re experiencing dropped calls or just want to see how strong your connection is, this guide will walk you through the process. By following these steps, you’ll be able to determine the signal strength of your iPhone 13 quickly and easily.

Step-by-Step Tutorial on How to Check Signal Strength on iPhone 13

In this section, we’ll break down the process of checking the signal strength on your iPhone 13. Each step is straightforward, allowing you to understand how strong your cellular connection is.

Step 1: Open the Phone App

First, locate and tap the Phone app on your iPhone 13.

The Phone app icon looks like a green square with a white phone receiver inside. It’s usually located on the home screen. Opening this app is the first step in checking your signal strength.

Step 2: Access the Keypad

Next, tap "Keypad" at the bottom of the screen.

The keypad is where you can dial numbers manually. This is necessary for the next step, as you’ll need to enter a specific code to access the signal strength information.

Step 3: Dial the Field Test Code

Dial 3001#12345# and press the call button.

This code opens the Field Test Mode, which is a hidden feature on your iPhone. It provides detailed information about your cellular signal.

Step 4: Enter Field Test Mode

Once Field Test Mode opens, tap on the "Serving Cell Measurements" option.

Here, you’ll see various details about your cellular connection. The key metric to look for is the "rsrp" value, which indicates the signal strength.

Step 5: Interpret the Signal Strength

Find the "rsrp" value, which represents your signal strength in dBm (decibel milliwatts).

Typically, a signal strength between -50 dBm and -90 dBm is considered good, while anything below -100 dBm indicates a weaker signal. The closer the number is to zero, the stronger the signal.

After completing these steps, you will have a clear understanding of your iPhone 13’s signal strength. This information can be useful when troubleshooting connectivity issues or deciding if you need to move to an area with better reception.

Tips on How to Check Signal Strength on iPhone 13

  • To get the most accurate reading, check your signal strength in different locations.
  • If your signal strength is consistently low, consider contacting your carrier for support.
  • Use the signal strength information to determine the best spots in your home or office for making calls.
  • Keep your iPhone 13 updated to ensure you have the latest carrier settings.
  • Remember that obstructions like walls and buildings can affect signal strength.

Frequently Asked Questions

Why is my iPhone 13 signal strength important?

Knowing your signal strength helps you understand your phone’s connectivity and troubleshoot any issues you might be having with calls or data.

Can I improve my iPhone 13 signal strength?

Yes, you can improve signal strength by moving to a different location, updating your iPhone’s software, or using a signal booster.

What does "rsrp" stand for?

"rsrp" stands for Reference Signal Received Power. It’s a measure of signal strength in dBm.

Is the Field Test Mode safe to use?

Yes, Field Test Mode is a diagnostic tool provided by Apple and is safe to use.

What should I do if my signal strength is low?

If your signal strength is low, try moving to a different location, resetting your network settings, or contacting your carrier for assistance.


  1. Open the Phone app.
  2. Access the Keypad.
  3. Dial 3001#12345# and press call.
  4. Enter Field Test Mode.
  5. Interpret the signal strength.


Checking the signal strength on your iPhone 13 is a quick and easy process that can provide valuable insights into your phone’s connectivity. By following the steps outlined in this guide, you can see exactly how strong your signal is and take appropriate measures if you find it lacking. Whether you’re troubleshooting dropped calls or just curious about your signal strength, Field Test Mode offers a wealth of information.

Remember, a stronger signal means better call quality and faster data speeds. If you’re experiencing issues, don’t hesitate to use this guide to check your signal strength. And if necessary, reach out to your carrier for further assistance. Happy signal checking!