How to Solve iPhone Keeps Disconnecting from Wi-Fi

Many iPhone users face issues with connecting to wireless networks, and this article will give them a hands-on tutorial on how to fix this Wi-Fi disconnecting in iPhone.


Campbell Adams | Last Updated: Sep 02, 2021
5-year smartphone engineer, with rich experience in iOS software issues. He presents the most actionable solutions for readers in the most easy-to-understand manner.

How to Solve iPhone Keeps Disconnecting from Wi-Fi

Often many iPhone users face issues with connecting to wireless networks with the iPhone randomly disconnecting from Wi-Fi which is annoying and problematic.

This article will give you a hands-on tutorial on how to fix this Wi-Fi disconnecting in iPhone.

Part 1: What makes my iPhone to randomly disconnect from Wi-Fi?

Your iPhone disconnecting from Wi-Fi may result from a couple of reasons but all originate from two sources; Either from your router or your iPhone being the cause of the problem.

If your Wi-Fi router has problems such as having a defective component, a firmware issue, or a temporary outage, this will make it not able to send signals getting into or out of the network properly.

If the problem is resulting from your iPhone, it implies that it has some hardware issues or even other faults such as incorrect network credentials or invalid settings concerning the network. Having such problems will make your iPhone unable to transmit signals to the network causing it to randomly disconnect.

Part 2: How then should we fix iPhone that keeps disconnecting from Wi-Fi?

Below are quick fixes for your iPhone, if the cause of the randomly disconnecting from Wi-Fi is a network problem, use Method 1- 2 of this section of the article. If the problem results from your iPhone, refer to Method 3- 8 however, note that Method 3 -6 iPhone requires the user’s iPhone to fix it. To use a computer to solve the issue, refer to Method 7 -8.

Method 1: Restart your router

Restart your router

In this method, the first thing to do is to check what status your router is in. If the problem of disconnecting from the Wi-Fi router is affecting other mobile devices that you have, the problem could be the network itself.

Go ahead and restart your router in a place where signal strength is strong to ensure the iPhone will be able to connect. If the problem persists, reach out to your ISP provider or network administrator to enquire about the cause of the network issue.

Method 2: Enable Auto-Join for your Wi-Fi network

If auto-join is disabled, it may make the iPhone randomly disconnect from the network.

To enable it, do the following:

Step 1: Open Settings > Wi-Fi.

Setting and Wi-Fi

Step 2: Tap on the information mark that is next to the SSID name of your Wi-Fi network.

Wi-Fi more information

Step 3: Enable Auto-join.

Enable Auto-join

Once Auto-join is enabled, this should fix your Wi-Fi disconnecting problem if not, look for other methods from the article.

Method 3: Forget your Wi-Fi network then reconnect

Once you connect to a Wi-Fi network, iPhone keeps the information about the network which enables you to automatically connect back at any time. In a case that the information about the network has changed such as login credentials, this will be problematic and will discard the iPhone out of the network.

To forget the network:

1. Open Settings > Wi-Fi.

Setting and Wi-Fi

2. Click on the button for network information.

Wi-Fi more information

3. Click on the button “Forget this network”.

forget this network

This will forget the network and clear the information stored.

Once this is successful, we then need to reconnect back to the network.

1. Open Settings then turn on Wi-Fi.

2. Look for the name of the network to connect to under “choose network”.

3. Click on the name of the network and enter the login credentials to connect to it.

This will reconnect you back to the network having fixed your previous issue.

Method 4: Hard Restart iPhone

  • iPhone 6S or earlier: long press both the home button and the Power button once up to when Apple’s logo gets to disappear then reappear, then release the buttons.
  • Force to restart under DFU Mode - iPhone6 and earlier versions
  • iPhone 7: Long press the power and down volume button until Apple’s logo disappears then reappears.
  • Force to restart under DFU Mode - iPhone7s
  • iPhone 8 or newer: Press then release the button for volume up and volume down, then long-press the side button until Apple’s logo disappears then reappears.
  • Force to restart under DFU Mode - iPhone8

Once your iPhone restarts, connect back to the network hopefully, your problem should have been fixed.

Method 5: Reset the settings of the network

There are two options for resetting your network.

Option one:

Step 1: Open Settings > General

Step 2: At the bottom, click Reset.

Step 3: Click the option to “Reset Network Settings”.

With this option, all your applications and data will be kept intact.

Option two will come in if option one was unable to fix the problem

Step 1: Open Settings > General

Step 2: At the bottom, click Reset.

Step 3: Click the option to “Reset all Settings”.

With option two, all your previously saved preferences and passwords will be lost.

Method 6: Update your iOS

update ios system

Some applications especially if they are outdated can cause your iPhone to have unnecessary issues when connecting to Wi-Fi, the fix for this is to ensure you have an updated iOS version and if you don’t have one installed then follow the steps below to update your iOS.

Step 1: Open Settings

Step 2: Tap General

Step 3: Click Software Update

If there is an updated iOS available, click “Download and install”.

If no update is available for your iPhone, you will notice a message telling you that your iPhone is up to date.

The disadvantage of using this method is that; your iPhone has to be working and connected to the Wi-Fi as this will be the only way you can download the updated iOS version and install it which will not apply in most scenarios as the problematic disconnecting from Wi-Fi won’ allow you to download the updates.

Method 7: Use Perfix

If you want to fix the problem of the iPhone disconnecting from Wi-Fi quickly and with the help of a professional tool, use Mobitrix Perfix.

Mobitrix Perfix

Perfix is a third-party professional tool that fixes most of the iOS issues instantly with just a few steps as shown below:

1. Download Perfix software from their official website.

2. Launch Perfix on your PC and select Standard Mode.

Perfix Standard Repair Mode

3. Ensure your iPhone is connected to your computer.

4. Wait for Perfix to recognize your device, once recognized, choose a firmware to download.

5. Once downloaded, click “Start to Fix”.

Perfix will then automatically diagnose and fix your iOS issues.

The advantages of using Perfix are:

  • It fixes many iOS system problems without any data loss
  • Perfix is compatible with all iOS systems and iPhone models.
  • With Perfix, you don’t need to download iTunes or Finder

Method 8: Use iTunes

Using iTunes will delete your data, it’s recommended so, ensure you first create a backup of your iPhone before proceeding with this method moreover, ensure you have the latest iTunes version on your computer. Click here to learn more about creating backups.

Once you’ve created a backup, follow the steps below.

Step 1: Having connected your iPhone to the computer, open iTunes.

Step 2: From the computer screen, choose your iPhone and click “Summary”.

Step 3: Click Restore, confirm by clicking again.

Your device will then be restored and your iPhone will be able to connect to your Wi-Fi network.

Part 3: Should I use DFU mode to fix iPhone that keeps disconnecting from Wi-Fi?

DFU mode will completely wipe out your iPhone which is risky as it may damage your iPhone instead of fixing it thus, using DFU mode is not recommended.

However, if you still want to try it the steps below will guide you:

Step 1: Install the latest iTunes version on your computer

Step 2: Connect your device to a PC

Step 3:Wait for your iPhone to be recognized

Step 4: Follow the what will be displayed on the screen.

The disadvantages of this method include:

  • Data will be lost
  • The process is complicated.
  • The method is risky and may be damaging.

Part 4:What if no method worked?

If no method worked visit the Apple Support website or a local Apple Store for your device to be fixed.


In summary, many users depend upon their iPhone for communication and whenever you face problems limiting you from connecting to a Wi-Fi network this can be stressful this article, however, covered quick tips on how you can fix this and most preferably by the use of Perfix which is both safe easy and convenient.

Still, having problems? Seek official Apple support.

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