You pick up your iPhone, open Gmail, and nothing new shows up. You know there should be emails waiting for you because a friend just texted saying they sent one. But your inbox looks the same as it did an hour ago. This is frustrating, especially if you rely on email for work or personal stuff.
The thing is, this happens to a lot of people, and it usually has a simple fix. In this post, you will learn exactly why Gmail stops syncing on your iPhone and how to get it working again with easy steps you can try right now.

What Does It Mean When Gmail Stops Syncing?
Syncing is how your iPhone talks to Gmail’s servers to grab new emails and send the ones you write. When everything works, this happens quietly in the background. New messages pop up within seconds of being sent to you. Your sent emails leave your outbox almost instantly.
When syncing breaks, that connection between your iPhone and Gmail gets stuck. Your phone stops checking for new mail, or it tries to check but cannot get through. You might see old emails from yesterday or last week, but nothing fresh comes in. Sometimes you can open Gmail and pull down to refresh, and it still shows nothing new even though you know emails are waiting.
This problem can show up in different ways:
- No new emails at all, even after hours of waiting
- Emails appearing late, sometimes by several hours
- Stuck outbox, where emails you send just sit there and never leave
- Error messages popping up when you try to refresh
Leaving this unfixed means you could miss important messages. A job offer, a doctor’s appointment reminder, a note from your kid’s school. These things matter, and they can slip through when your Gmail is not syncing properly.
Gmail Not Syncing on iPhone: Common Causes
Before you start fixing anything, it helps to know what went wrong in the first place. Most of the time, one of these five things is behind the problem.
1. Poor or Unstable Internet Connection
Your iPhone needs a steady internet connection to sync with Gmail. If your Wi-Fi signal is weak or your cellular data is spotty, your phone cannot reach Gmail’s servers.
This is one of the most common reasons for syncing issues. You might be in a part of your house where Wi-Fi does not reach well, or your mobile data might be slow because you are in a crowded area.
Even if your connection seems fine for browsing websites, email syncing can be pickier. It needs a stable connection, not one that keeps dropping in and out.
2. Background App Refresh Is Turned Off
Your iPhone has a setting called Background App Refresh. This lets apps check for new content even when you are not using them. If this setting is off for Gmail, the app only checks for new mail when you actually open it.
Many people turn off Background App Refresh to save battery. That is a smart move, but it can stop Gmail from syncing automatically.
3. Fetch and Push Settings Are Wrong
iPhones can get email in two ways: Push and Fetch. Push means emails come to your phone the moment they arrive. Fetch means your phone checks for new mail on a schedule, like every 15 minutes or every hour.
If your settings are on Manual, your phone only checks for mail when you open the app and pull down to refresh. This can make it seem like Gmail is not syncing when really your phone is just waiting for you to tell it to check.
4. Outdated Gmail App or iOS Software
Apps and operating systems get updates for good reasons. Sometimes these updates fix bugs that cause syncing problems. If you have not updated your Gmail app or your iPhone’s software in a while, you might be running a version with known issues.
Old software can also have trouble talking to newer servers. Gmail’s systems get updated regularly, and your apps need to keep up.
5. Gmail Account Needs to Be Re-Added
Sometimes the connection between your iPhone and your Gmail account gets corrupted. This can happen after a password change, a security update from Google, or just random glitches.
When this happens, your phone thinks it is connected to Gmail, but the handshake between them is broken. Everything looks normal on the surface, but emails cannot flow through.
Gmail Not Syncing on iPhone: DIY Fixes
Now that you know what might be causing the issue, here are the fixes you can try. Start with the first one and work your way down until your Gmail starts syncing again.
1. Check Your Internet Connection
This is the easiest thing to rule out first. Open Safari and try loading a website. If it loads quickly, your internet is probably fine. If it takes forever or does not load at all, your connection is the problem.
For Wi-Fi issues, try moving closer to your router. You can also restart your router by unplugging it for 30 seconds and plugging it back in.
If you are on cellular data, check if you have signal bars. You can also toggle Airplane Mode on and off. This resets your phone’s connection to the network and often fixes minor data issues.
2. Turn On Background App Refresh for Gmail
Go to your iPhone’s Settings, then scroll down and tap General. From there, tap Background App Refresh. Make sure the main toggle at the top is on, and then scroll down to find Gmail in the list. The switch next to it should be green.
If it was off before, turn it on and give your phone a few minutes. New emails should start coming in automatically after this.
3. Adjust Your Fetch and Push Settings
Open Settings on your iPhone and tap Mail. Then tap Accounts, followed by Fetch New Data. At the top, you will see a toggle for Push. If it is off, turn it on.
Below that, you will see a list of your email accounts. Tap on your Gmail account and choose Fetch or Push instead of Manual. If you pick Fetch, select a time interval like every 15 minutes.
- Tap Settings > Mail > Accounts > Fetch New Data
- Turn on Push at the top if available
- Tap your Gmail account and select Fetch with a 15-minute interval
- Go back and make sure the schedule at the bottom is set to your preferred time
This tells your phone to actively check for new mail instead of waiting for you to do it manually.
4. Update Your Gmail App and iOS
Open the App Store on your iPhone. Tap your profile picture in the top right corner. Scroll down to see if Gmail has an update available. If it does, tap Update next to it.
For iOS updates, go to Settings, then General, then Software Update. If there is a new version of iOS available, download and install it. This might take a few minutes, and your phone will restart.
After updating, open Gmail and see if new emails start coming in.
5. Remove and Re-Add Your Gmail Account
This fix takes a bit more effort but often solves stubborn syncing problems. You will need to remove your Gmail account from your iPhone and add it back fresh.
First, go to Settings, then Mail, then Accounts. Tap on your Gmail account and select Delete Account. Confirm that you want to remove it. Do not worry, this does not delete your actual emails. They are safe on Google’s servers.
Now add the account back:
- Go to Settings > Mail > Accounts > Add Account
- Tap Google
- Sign in with your Gmail address and password
- Allow the permissions it asks for
- Make sure Mail is toggled on
Once added, give your phone a minute to sync. Your emails should start flowing in again.
6. Contact Apple Support or a Professional Technician
If you have tried all of these fixes and Gmail still refuses to sync, something deeper might be going on. There could be a hardware issue with your iPhone’s antenna, a corrupted system file, or a problem on Google’s end with your specific account.
At this point, reaching out to Apple Support is your best move. You can chat with them online, call them, or visit an Apple Store if one is near you. They can run diagnostics on your phone and figure out what is blocking the sync. If it turns out to be a Google account issue, they can point you in the right direction to get help from Google’s support team.
Wrapping Up
Getting your Gmail to sync again usually comes down to checking a few settings and making sure everything is up to date. Most of the time, a quick toggle or an app update does the trick. The fixes here are safe to try on your own and do not require any special tools or tech skills.
Your iPhone and Gmail are designed to work together smoothly. When they stop talking to each other, it is usually a small hiccup that one of these steps can clear up. Give them a try, and you should have fresh emails landing in your inbox again soon.