Even though if you have entered the correct credentials and have a good internet connection yet you are facing issues like Gmail not working on iPhone. If yes, then definitely there is some severe issue associated with it. Hence, you are expected to perform a few steps initially to resolve the error manually. You can read this blog and find out the common yet effective ways to troubleshoot this error instantly. Check out the blog to know more about it.
Easy and Quick ways to resolve Gmail not working on iPhone: Have a look!
Here are a few important instructions that one must follow to figure out the solution to the error. Now, you must go through the steps that are given below to find out more about it.
You must check out the internet connection.
Firstly, you must make sure that your internet connection is not slow or sluggish. Make sure you are connected to a stable internet connection.
You must update your Gmail App.
Possibly, the app that you are using is not updated, and so it is not working. So, before you proceed further, you should make sure that you do update your Gmail app.
Restart your device
This might appear a traditional and typical solution, but it works. And so, you must restart your device, which will automatically restart all the apps.
Keep a check on your storage.

• Firstly, you must confirm that you are online/offline just by trying to open the website now; you must turn off airplane mode to check the network issues.
• Next, you should check Gmail sync settings just by opening the Gmail app's settings.
• Then, check your phone or tablet settings just by tapping users and accounts.

You should clear your storage
• Syncing does not work if your phone is running out of space
• Now, you must uninstall apps that you do not use
• Next, move the files to your computer or just delete it
You should Check your password

• First of all, you must open Gmail on your computer
• Invalid password and username could be a few reasons behind the issue
The users of Gmail often come across different technical issues as Gmail Login Problems are common. One can fix the issues by following the steps that are given above.