Fixed: iPhone Cannot Verify Server Identity

Posted by Brian Davis on Jan 6, 2020 2:00 PM
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fix iphone cannot verify server identity

Different problems continue occurring on iOS devices and recently, it has been reported that their iPhone cannot verify server identity according to some Apple users. This error message just keeps popping up and completely annoys them, though after trying a few fixes. Are you also beset with this issue? Don't worry, we have the following top 8 methods to fix your iPhone mail cannot verify server identity. Please go along the context.

Part 1: Reasons behind cannot verify server identity iPhone
Part 2: Full solutions to solve iPhone cannot verify server identity
     Way 1: Restart the Mail app
     Way 2: Re-add your Mail account
     Way 3: Update iOS
     Way 4: Force reboot iPhone
     Way 5: Switch SSL off
     Way 6: Reset network settings
     Way 7: Restore iPhone system [Hot]
     Way 8: Reset all settings
Part 3: Verdict

Part 1: Reasons behind cannot verify server identity iPhone

Before getting to ways to get rid of the trouble we discuss right now, you might be wondering the question of "why does my iPhone say cannot verify server identity?" In most cases, an expired server certificate will interrupt the connection. Besides, an attempt to switch to a new mail account is also partly responsible for the notification shown. Of course, other errors in the app and the iPhone system sometimes cause the server identity verification problem. But luckily, there are feasible ways to solve it and you can start fixing now.

Part 2: Full solutions to solve iPhone cannot verify server identity

Way 1: Restart the Mail app

When your iPhone mail cannot verify server identity, please force quit the app first and then restart it. To do that, double press down the Home button or swipe up the control center and remove all apps running in the background including the Mail app. Next relaunch it to see whether the message still appears.

restart mail app

Way 2: Re-add your Mail account

Email accounts are the culprits of iPhone cannot verify server identity at some times. To fix it, simply try to delete your account and then add it as the steps below.

Step 1: Click "Settings" > "Passwords & Accounts" > "Mail" or "Mail, Contacts, Calendars".

Step 2: Tap on "Accounts" option and choose your connected account to click "Delete Account" button.

Step 3: After the deletion, go to the "Accounts" menu to select "Add Account" option to sign in your mail account.

re add mail account

Way 3: Update iOS

Apple company also recommend updating iPhone's system to the latest so as to resolve cannot verify server identity iPhone. If you haven't done that, just go to Settings > General > Software Update, download and install the latest iOS system.

iPhone software update

Way 4: Force reboot iPhone

But usually, iPhone software update doesn't solve the problem. In this way, you could try force restarting your iPhone to remove some software glitches that may pose dangers to the mail server connection.

To force reboot iPhone X/11, press down the Side and the Volume buttons until the Slider appears, then pull on the slider to power off the iPhone, finally hold the Side button to open your device.

To force reboot iPhone SE (2nd) /8 /7/6, press down the Side button until the Slider appears and drag on the slider to close your iPhone, finally hold the Side button.

To force reboot iPhone SE (1st) / 5 and former, press down the Top button until the Slider appears, then drag on the slider to turn off the iPhone, finally hold the Top button.

force restart iPhone

Way 5: Switch SSL off

If you want to add another mail account yet the message just notifies you that the iPhone cannot verify server identity, then you could switch off the SSL button to achieve that without verification.

Step 1: Navigate to Settings > Passwords & Accounts.

Step 2: Select your mail account and tap on the Advanced option.

Step 3: Disable Use SSL button.

disable SSL

Way 6: Reset network settings

Under poor network connection, your iPhone mail may cannot verify server identity verification. In such a case, what you have to do is to remove all of your network settings by heading to Settings > General > Reset > Reset Network Settings.

reset network settings

Way 7: Restore iPhone system [Hot and Best]

If unfortunately, the above ways fail to fix the issue, then you are highly suggested to use the warmly welcomed solution – using a professional iOS system repair tool such as TunesKit iOS System Recovery. This mighty third-part software, without losing any data, is able to fix various kinds of iOS issues including your iPhone cannot verify server identity, can't download apps and more. Want to know how it settle the trouble? Please follow the simple steps presented here.

ios system recovery

Key points of TunesKit iOS System Repair

  • Solve all iOS and tvOS system problems.
  • Support iPhone/iPad/iPod/iPod touch/Apple TV, etc.
  • With standard Mode and advanced Mode in hand.
  • Fully compatible with all iOS versions and support downgrading iOS versions.
  • One-click to enter or exit recovery mode for free.
600,000+ Downloads
Download Download

Step 1: Download the application on the TunesKit official website. Then double click to open this program on the computer. Next, connect your iPhone to a computer until it is being detected. After that, click "Start" button.

connect iphone

Step 2: Choose the Standard Mode. Next, check whether your device model, version and other information are correct. Then, tap "Download" button and this software will download the firmware package matched with your iPhone. Then wait it quickly verifying the firmware.

download firmware

Step 3: After the firmware package has been downloaded successfully, hit on the "Repair" button on the right corner to fix the iOS system. Finally, your iPhone cannot verify server identity will be resolved.

fix ios

Way 8: Reset all settings

Finally, bringing your iPhone back to factory settings through navigating to Settings > General > Reset > Reset All Settings may also do the trick. But it is generally not recommended as it will delete all of your data on iPhone unless you have backed them up before.

reset all settings

Part 3: Verdict

The full methods are offered for you to fix iPhone cannot verify server identity. If you wanna a guaranteed fix, then the professional iPhone system recovery software is definitely your best choice. Certainly, other ways are worthwhile of being tried. In the end, if you still have any other problems, please be free to contact us.

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has covered tech and entertainment for over 10 years. He loves technology in all its forms.

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