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Best Ways To Find Signal Strength In iPhone


Your iPhone has a hidden mode to check the signal strength. Confused, what am I talking about? Read this article till the end, and you will find your answers.

- Updated: 6th Oct 2022, 15:04 IST
  • 1
    How To find Signal Strength on iPhone
  • 2
    What is RSRP?
  • 3
    Effective Ways to Boost Your iPhone Signal Strength
    • 1. Use Airplane Mode
    • 2. Try Cell Signal Booster
    • 3. Update the iOS
  • 4
    Final Thoughts

Imagine you have to make an important phone call, but the signal strength is just not allowing you to get through. Irritating, right? Weak signal strength can annoy you the most. Luckily for iPhone users, there is a hidden mode in the phone itself to check the signal strength. And, chances are, even though you would be using iPhone, you might not have checked this feature yet.

The signal bars in your iPhone show a rough estimate of how good or bad the signal is. In general, having three out of four bars is said to be strong. But you can find the actual signal strength with the help of a trick. Here’s how to do it.

Also Read: Why Can’t I Connect To Wi-Fi on Mac/iPhone?

Cashify is here to guide you and help you to learn the best ways to find signal strength in iPhone. You can also find the reel below to understand it in a better way.

How To find Signal Strength on iPhone

Just follow these simple steps to find the signal strength on your iPhone easily.

signal strength iphone
  1. Open the Phone app on your iPhone. Now, go to the dial pad.
  2. Dial *3001#12345#* and then click on the call option.
  3. You will now enter the hidden Field Test Mode on your iPhone. On the top-right corner, you will see a Menu icon. Tap on it.
  4. On the next screen, under the RAT section, tap on the Cell Info.
  5. Now, on the next screen, find the RSRP cell. The number next to it is your signal strength.

Note: The dashboard or the Field Test Interface may look different on different iOS.

What is RSRP?

It’s possible that you might not have an idea about RSRP. In terms of radio signals, RSRP stands for Reference Signal Received Power, and it is displayed as a negative number between -80 to -100.

An RSRP of -80 is said to be excellent. If you are getting this number, this means your iPhone is showing excellent signal strength. RSRP between -80 to -91 is said to be good, while -91 to -100 is considered as a poor signal. If your iPhone is showing -100, this means there is no signal.

If you constantly get RSRP between -91 to -100, this means it’s high time you switch to any better network carrier.

Also Read: How To Clear Cache On iPhone- Clean Your iOS Device!

Effective Ways to Boost Your iPhone Signal Strength

Here are some ways that can help you boost your iPhone’s signal strength.

1. Use Airplane Mode

Rebooting the device is what we think of when fixing any tech. In case of signal strength, you can just use the Airplane mode. Switch on and off the Airplane mode to re-establish the connection to the network, thus boosting the strength.

2. Try Cell Signal Booster

If you are facing a poor signal constantly, you can try the iPhone cell signal booster. A booster will work in any location and will amplify the existing signal strength. Also, boosters are easy to use and install but can be a bit pricey.

3. Update the iOS

Lastly, you must check if your iPhone is up to date or not. Check the Software Update section in Settings to see if it is demanding any update. If yes, just do it. It might take a few seconds, but once done, you will be able to experience a better network connection.

Final Thoughts

You might not feel the need to use Field Test Mode that often, but it’s always nice to have an idea. This hidden method to check the signal strength on iPhone has been there for a long time now. However, not many users will know about it. If you find this post helpful, do share it with your friends and family and let them know about this awesome trick as well.

Also Read: How To Delete iPhone Contacts? A Step-By-Step Guide

Cashify is the number one place to Sell phone online at the best prices. Thinking to Recycle old phone? We have got you covered.


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Highlights of the Story

  • Strong signal strength is helpful in making calls or using mobile data with ease.
  • You can measure the signal strength to understand how good or bad it is.
  • Learn here, the best possible way to find the signal strength on iPhone.