Fix Gmail Error about:invalid#zClosurez on iPhone, iPad in 2020

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Since few days, many users can’t open the Gmail on Safari due to an awkward error message which says, about:invalid#zClosurez, when I encountered this error message on Safari, it took me quite long to fix. Luckily, you don’t have to try different tricks, as I’ll be mentioning the solutions that worked out for me as well as my readers. When you try to open Gmail in Safari, the error message appears in the URL section and won’t give you access to the Gmail account on the iPhone. Until and unless you fix the error, there is no way to send or receive emails on Gmail account if you prefer using Gmail on Safari.

we are happy to help you, submit this Form, if your solution is not covered in this article.

Even though you try to access the Gmail Account on Outlook or Apple Mail, this error will continue to show, as most probably it is associated with your Gmail account. So get it fixed, try each solution listed below, and see if the problem is gone or not.

How to Fix Gmail about:invalid#zClosurez Issue on iPhone

about-invalid#zClosurez on safari iPhone iPad
about-invalid#zClosurez on safari iPhone iPad

Solution 1: Update iPhone

Updating the iPhone to the latest version is our priority and universal solution to every weird issue that we encounter in daily routine. If you keep the iPhone updated, minor glitches will automatically be fixed, so kindly check for the updates on iPhone.

  1. Go to the Settings App.
  2. Tap General.
  3. Choose Software Update

Solution 2: Force Reboot iPhone

What’s the first thing we should do when the iPhone or its apps start annoying us? It’s a restart. Same way, to fix Gmail’s weird error, rebooting the iPhone is suggested. If you already did this, before visiting our article, then move to the next step.

For the iPhone 8 or later/X Series/XR/Xs Max/11(Pro Max) & later,

  • Press and quickly release the Volume Up button.
  • Press and quickly release the Volume Down button.
  • Press and hold the Side button until the Apple logo appears.

For iPhone 7 and 7Plus,

  • Press and hold the Volume down button and Power button until you see the Apple logo on the screen.

For iPhone 6S/6S Plus or earlier,

  • Press and hold the Home button and Sleep/Wake button until the display goes black and the Apple logo appears.

Now try to use Gmail on Safari, and see if the same error shows up or not. If it appears, then try the next tip.

Solution 3: Enable and Disable Airplane Mode

The simple restarts fail to fix the Gmail about:invalid#zClosurez Error then you must refresh the network of iPhone. And the easiest alternative to disconnect the iPhone from all types of network connections is to use the Airplane Mode.

When you turn Airplane Mode ON, the Cellular Network, Wi-Fi Connections, Bluetooth, GPS, etc. everything disables.

Alternate Ways to Enable & Disable Airplane mode on iPhone
Alternate Ways to Enable & Disable Airplane mode on iPhone
    • To Enable Airplane Mode, bring the Control Center on the screen and tap on the Airplane Mode button.
  • Or
    • Open the Settings App > Airplane Mode, from here toggle the Airplane Mode ON.

Leave the iPhone in Airplane Mode for 2-3 minutes, and then disable the Airplane Mode.

Solution 4: Clear Captcha for Gmail Account

Up next recommendation to resolve the Gmail about:invalid#zClosurez error message is to verify and clear captcha for your Gmail account. Your mail client can show such errors when invalid attempts have been made to access the account, or the mail client is checking for emails frequently and maybe the Gmail password is weak.

However, to resolve the Captcha you have to visit the following links and clear captcha.

Solution 5: Close All Tabs and Safari App

Safari App can open around 500 tabs at once, that’s the limit for Safari App. You might be surprised or even happy to hear that, however, opening that much tabs at once, is really bad for iPhone performance.

If your Safari App has more tabs active at a time, kindly close them all as well as force close the Safari App.

  1. Open the Safari App.
  2. Touch and hold the tabs symbol at the far right side of the bottom.
  3. Choose Close All Tabs.

    Close all Safari tabs at once on iPhone
    Close all Safari tabs at once on iPhone
  4. Then, force Close the Safari App too.
    Force Close Background App on iPhone [No Home Button iPhone X or Later]
    Force Close Background App on iPhone [No Home Button iPhone X or Later]
  5. And Re-Launch to open Gmail.

Solution 6: Clear Cache & Cookies of Safari App

Clearing Cache and Cooking associated with the Safari app, can benefit you and eliminate the issue that you are facing while login to Gmail. There’s nothing to worry about, sometimes removing cookies and cache can smoothen up the app, and removed minor glitches too, that may have invaded your iPhone while surfing on the web.

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We are happy to help you! Follow the next Step if Your Solution is not in this article, Submit this form without Sign Up, We will revert back to you via Personal Mail. In Form, Please Use the Description field to Mention our reference Webpage URL which you visited and Describe your problem in detail if possible. We covered your iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone 8(Plus), iPhone 7(Plus), iPhone 6S(Plus), iPhone 6(Plus), iPhone SE, SE 2(2020), iPhone 5S, iPhone 5, iPad All Generation, iPad Pro All Models, MacOS Catalina or Earlier MacOS for iMac, Mac Mini, MacBook Pro, WatchOS 6 & Earlier on Apple Watch 5/4/3/2/1, Apple TV. You can also mention iOS/iPadOS/MacOS. To be Continued...

  1. Open the Settings App on your iPhone.
  2. Scroll down to the Safari App.
  3. Select Clear History and Website Data.Tap on Clear History and website data to clear cache on iPhone iOS 11 or later
  4. That’s it. This will not Remove Saved Password [Auto fill login details on Safari] for the Website that you are accessing keychain.

Fix the issue with your mail app like Outgoing Email server failed on Mail App on iPhone, iPad.

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