How to Fix ‘Syncing with iCloud Paused’ on iPhone and Mac

Few things are more frustrating than glancing at your iPhone and seeing that little “Syncing with iCloud Paused” message hanging at the top of an app. It usually means something simple has tripped up the background sync — a nearly full storage account, a network blip, or a power-saving setting working a bit too hard. This guide walks through the most common reasons and fixes, drawing on Apple’s own documentation and real-world reports from people who have worked through the same issue.

Free iCloud storage tier: 5 GB · iCloud+ subscribers (2023): Over 300 million · Devices supported: iPhone, iPad, Mac, PC · Common pause trigger: When free iCloud storage drops below 500 MB

Five key facts about iCloud sync behavior, drawn from Apple’s documentation and aggregated user reports:

How do I unpause syncing with iCloud?

The most direct path to unpausing iCloud sync starts in your device settings. Apple’s guidance is clear: verify storage, toggle the service, and give the device time to catch up.

Check iCloud storage availability

1. Go to Settings → [your name] → iCloud → Manage Account Storage
2. If free space is below 500 MB, syncing will pause automatically (Apple Support)
3. Delete old iCloud backups, large attachments, or duplicate photos to free space

Enable iCloud sync for each service

1. Navigate to Settings → [your name] → iCloud → Show All
2. Toggle the affected service (Photos, Messages, Notes, etc.) off, wait 10 seconds, then toggle it back on
3. This forces a fresh sync handshake with Apple’s servers

Restart your device

1. Press and hold the power button and either volume button until the slider appears
2. After the device restarts, iCloud sync processes are relaunched (Eskimo Travel (troubleshooting blog))
3. A restart clears transient system errors that may have frozen the sync engine

Ensure stable Wi‑Fi or cellular connection

1. Open Settings → Wi‑Fi and confirm you are connected to a network with internet access
2. If the signal is weak, move closer to the router or switch to cellular data temporarily
3. Enable Airplane Mode for 15 seconds, then disable it to reset the network stack

The implication: tackling the most likely cause first – usually low storage – resolves the pause for the majority of users without extra effort.

Why has iCloud stopped syncing?

Understanding the root cause of a paused sync saves you from trying random fixes. The reasons fall into four categories, each with a distinct signature.

Insufficient iCloud storage

• When free iCloud storage drops below roughly 500 MB, the system pauses all non‑critical sync operations (Apple Support)
• The 5 GB free tier fills up quickly — especially if you use iCloud Photos or have multiple device backups
• iCloud+ subscribers, who numbered over 300 million in 2023, are less likely to hit this wall

Low Power Mode or battery saver

• Low Power Mode disables background app refresh and mail fetch, which directly affects iCloud syncing
• The setting activates automatically when battery level drops to 20 % and can be turned off in Settings → Battery
• Some Android devices have equivalent battery‑saving modes that similarly pause cloud sync

Unstable or slow internet connection

• iCloud requires a stable connection to upload and download changes — intermittent Wi‑Fi or throttled cellular data will cause a pause
• Low Data Mode, available on iPhone under Wi‑Fi settings, can also restrict background syncing
• Switching networks or resetting network settings often resolves the issue

Apple iCloud server outage

• Apple’s iCloud servers experience periodic outages that affect all sync services (Apple System Status)
• Visit status.apple.com to check for active incidents
• During an outage, no device‑side fix will work — wait for Apple to restore service

What this means: the pause is almost always a signal, not a malfunction – identifying the specific condition points to the correct fix.

How to solve syncing paused?

Once you know why the sync stopped, the fix is usually straightforward. These four steps cover the most common scenarios.

Free up iCloud storage space

1. Delete old iCloud backups: Settings → [your name] → iCloud → Manage Account Storage → Backups, then remove backups for devices you no longer use (Apple Support)
2. Clear large attachments from Messages: Settings → General → iPhone Storage → Messages → Review Large Attachments
3. Consider upgrading to iCloud+ (50 GB, 200 GB, or 2 TB) if you consistently run out of space

Disable Low Power Mode

1. Open Settings → Battery and toggle Low Power Mode off
2. Charge the device above 20 % — Low Power Mode re‑enables automatically at that threshold
3. Once disabled, background sync should resume within a few minutes

Switch to a reliable network

1. If you are on Wi‑Fi with a weak signal, switch to cellular data or move closer to the router
2. On iPhone, go to Settings → Wi‑Fi → tap the info icon next to your network and disable Low Data Mode
3. Restart the router if multiple devices are experiencing network issues

Update to the latest iOS or macOS

1. Software updates often include bug fixes for iCloud sync issues (Apple Support)
2. On iPhone: Settings → General → Software Update
3. On Mac: System Settings → General → Software Update
4. After updating, restart the device to ensure the new sync processes are loaded

How to Fix iCloud Not Syncing on Mac?

Mac users face a slightly different set of controls. The iCloud settings live in System Preferences, and some fixes require a Terminal command.

Check System Settings → Apple Account → iCloud

• Open System Settings → [your Apple Account] → iCloud
• Ensure every service you want to sync (Photos, Messages, Notes, etc.) has its toggle enabled (Apple Support)
• If a service is unchecked, checking it immediately triggers a sync attempt

Sign out and sign back into iCloud

• In System Settings → [your Apple Account] → iCloud, click “Sign Out”
• Restart the Mac, then sign back in with the same Apple Account
• This is a nuclear option — it removes local copies of iCloud data until re‑download — but it often resolves stubborn sync freezes

Reset iCloud sync processes via Terminal

• Open Terminal and run killall bird — this terminates the iCloud sync daemon, which macOS automatically relaunches (Eskimo Travel)
• Run killall cloudd to restart the cloud daemon as well
• After a few seconds, check whether the sync status has changed in the app you are using

Verify date and time settings

• Open System Settings → General → Date & Time
• Ensure “Set date and time automatically” is enabled
• An incorrect date or time breaks the encrypted handshake between your Mac and Apple’s servers, causing all iCloud operations to pause

How to fix syncing with iCloud paused in Messages?

Messages in iCloud has its own sync logic, and the “paused” banner appears inside the Messages app itself. The fix involves a dedicated toggle and a manual sync trigger.

Enable Messages in iCloud settings

• On iPhone: Settings → [your name] → iCloud → Show All → Messages → toggle on (Apple Support)
• On Mac: Open Messages → Preferences → iMessage → check “Enable Messages in iCloud” (Apple Support Communities)
• If a toggle is off, turning it on initiates a full sync of your message history

Check Messages sync status on iPhone and Mac

• On iPhone, open Messages and look for a “Syncing with iCloud Paused” banner at the top of the conversation list
• On Mac, open Messages and check the status text at the bottom of the conversation sidebar
• Tap or click “Sync Now” if the option appears — this manually triggers a sync cycle (Apple Support Communities)

Force sync in Messages app

• Close and reopen the Messages app — this often kick‑starts a stalled sync (Mac-Help (community forum))
• Toggle iCloud Messages off and back on: Settings → [your name] → iCloud → Show All → Messages → toggle off, wait 10 seconds, toggle on
• Allow the device to remain on Wi‑Fi and plugged into power for fastest results

Reset iCloud Messages syncing

• If the above steps fail, turn off Messages in iCloud, keep it off for 30 seconds, then re‑enable it (Apple Support Communities)
• This triggers a fresh sync from Apple’s servers
• Note: turning off Messages in iCloud removes synced messages from the device temporarily — they re‑download once the toggle is turned back on

The implication: Messages has a dedicated sync manager, but the same principle applies – a fresh start often clears the pause.

The “Syncing with iCloud Paused” message is almost never a sign of permanent data loss or hardware failure — it is your device telling you that one of four conditions (low storage, low battery, weak network, or a server issue) has temporarily halted background sync. For iPhone and Mac users, the fix is systematic: check storage first, then battery settings, then network, and finally Apple’s system status. The implication is clear: most pauses resolve within minutes once you identify the trigger. For the millions of users on the free 5 GB iCloud tier, the most reliable long‑term solution is either freeing up space or upgrading to iCloud+ — or the pause will simply keep coming back.