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Start with Settings → General → iPhone Storage (or iPad Storage). Follow Apple’s recommendations, then remove replaceable content such as downloaded videos, offline music, large files, message attachments and unused apps. If photos are the problem, either enable iCloud Photos with Optimize Storage or copy them to a computer or external drive—and verify the copy before deleting anything.

Do not confuse device storage with iCloud storage: buying more iCloud capacity does not increase the physical storage built into your iPhone or iPad.

First check which storage is full

Device storage is the fixed local capacity inside your iPhone or iPad. It holds apps, app data, photos, videos, messages, downloads, music, books and system files.

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iCloud storage is separate online space used by services such as iCloud Backup, iCloud Photos, iCloud Drive, Messages in iCloud and iCloud Mail. More iCloud storage helps only when you use it to store or optimize content; it does not enlarge the device’s built-in capacity. See Apple’s storage explanation.

#1 Best Overall
ECASP Cleaner Kit for AirPod,Multi-Tool iPhone Cleaning Kit,Cell Phone Cleaning Repair & Recovery for iPhone & iPad(Type C)Charging Port,Lightning Cables&Connectors,Easy to Store & Carry Design,Black
  • 【CLEAN & REPAIR CHARGING PORT】This multi-functional iPhone cleaning kit tool, won't get stuck inside, is sturdy and flexible, and easy to plug and use. Use the port hook, U-shaped brushes and port brushes clean the dirt out of your iPhone, iPad, and Type-c port, remove lint, hair, lint, dust, oil, and other contaminants from the charging port, and leave your phone looking brand new. Extend and protect the life of your beloved Apple products. (Compatible with Type-c charging port)
  • 【RESTORING UNRELIABLE CABLE CONNECTORS】Use the cleaning kit back of the port brush to recover 2 types of cables, use the Detergent carried to clean and repair damaged ports and charging cables, and repair intermittent charging, slow charging, and oxidation damage on connectors. Unreliable connections can be eliminated. Our phone cleaning kit will extend and protect the life of your device. (Compatible with Type-c data cable)
  • 【CLEAN SPEAKERS HEADPHONE & SWITCHES】Our versatile Airpods cleaning kit cleans dirt and lint from Bluetooth headset housings, speakers, switches, tiny gaps, and the front surface of the headset. Using a long bristle brush cleans dirt from inside the charging case of the headphones, and the metal nib and high-density velvet soft brush are for cleaning dirt from the sound outlet hole of the headphones and other areas. Restore your favorite devices to new conditions with improved hygiene
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Use the built-in storage screen

  1. On iPhone, open Settings → General → iPhone Storage.
  2. On iPad, open Settings → General → iPad Storage.
  3. Review the recommendations and the ranked list of apps and categories.
  4. Tap an app to see its app size, documents and data, and available actions.

Recommendations can differ by device, language, installed apps and iOS or iPadOS version. Review what each recommendation will remove rather than enabling everything blindly. The storage display can also change after indexing, synchronization, deletion or a restart.

Free space quickly and safely

Start with data that is replaceable or already backed up. Free more space than the alert’s exact requirement because updates, backups and downloads need working room, and the required amount varies by device and update.

Remove downloaded media

Check downloaded movies and television episodes, offline music, podcasts, books, audiobooks and offline maps. Streaming and editing apps may also have their own Downloads, projects or media-management screens. Remove content there first when possible; deleting an app can remove local downloads, but behavior varies by app.

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Offload or delete large apps

From the storage screen, tap an app and choose:

  • Offload App: removes the app itself but keeps its documents and data so it can potentially be reinstalled later.
  • Delete App: removes the app and its related local data, usually freeing more space.

Offloading is useful for rarely used apps. It is not a complete cleanup when the app’s documents, projects or cached downloads are the largest part of its storage. Confirm that important local data is synced or backed up before deleting an app. Deleting an app does not necessarily delete its account, subscription or remote cloud data.

Rank #2
for iPhone Cleaning Kit, Multi-Tool for iPad AirPods Speaker & Charger Port
  • MORE THAN AN PHONE CLEANING KIT - The 12 in 1 phone cleaning kit is comes with everything you need. Great for iPhones/iPads/Airpods/Earbuds/Speakers. The 4 charging port cleaners that help to get all of the pocket lint out, and 3 types of brush to remove the deep dirt, the phone cable kit helps to make your cable work like new and the lens cleaning pen helps to remove fingerprints from your phone's camera to get the best view, we also offer 1 cleaning cloth to wipe cases.
  • CLEAN TO FIX CHARGING PROBLEM - Use the phone charger cleaning kit to clean the dust from the charging port of airpods/case and macbook pro, its magnetic, so some debris was causing the charging cable to unattach sometimes. And repair arc/oxide damaged (blackened) pins, which helps to fix unreliable charging/slow charging and extend the life of your electrons.(Compatible with iPad's USB-C charging port)
  • SAFE& EFFECTIVELY CLEAN AIRPODS - Use the metal pen tip, soft brush and cleaning putty that can get into the tiny gaps of Airpods cases, speakers to clean the lint, remove earwax, deep cleaning no residue. We worked with engineers to design this airpod cleaning tool kit, It can clean the stubborn dust while the round end protects your devices from scratches and damage.
  • DURABLE & LIGHTWEIGHT - The phone cleaning kit for charging port is made of premium packaging and high quality sturdy ABS plastic, which is not easy to deform and fall off. The Phone Cleaner Box with press top lids for easy storage and prevent you from losing the tools, compact design help save pace, easy to carry to anywhere.
  • PRACTICAL GIFT FOR EVERYONE - A practical gift for your friends or families, we suggest deep cleaning your phone / Airpods quarterly, and cleaning the oil, fingerprints, dust from the surface everyday, it is would help extend the life of your deveice and also can provide a comfortable touch, No sticky anymore.

Review Files and downloads

Open Files → Browse and check On My iPhone, On My iPad and Downloads. Remove large installers, PDFs, videos, exports and old project files. Also review downloaded email attachments and content saved by productivity or social apps.

Remove large message attachments

In current iPhone software, open Messages, open a conversation, tap the contact or group icon, choose a category such as Photos or Videos, then tap Edit → Select, choose attachments and tap Delete. You can also touch and hold an attachment, choose More, select items and delete them. Apple documents these steps in its Messages guide.

If Messages in iCloud is enabled, deletion can sync to your other Apple devices using the same Apple Account. Deleted messages may remain in Recently Deleted for up to 30 days. To remove them sooner, open Messages → Filters → Recently Deleted, select items and tap Delete. You can also find Settings → Apps → Messages → Keep Messages and choose 30 days or one year instead of keeping messages forever.

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Deal with photos and videos without losing them

Photos, 4K video, HDR video, Live Photos, screen recordings and edited exports commonly consume the most space. Choose one of these approaches.

Rank #3
5pcs Cell Phone Cleaning Kit Dual Side Multifunction Tools Anti-Clogging Nylon Brushes & Hook Cleaner for iPhone 17 Pro Max Charging Port, Phone Speaker Mini Cleaning Kits
  • 1.The Package 5 pcs cell phone cleanig kit blue mini brush dual side multi tools, Nylon Brushes & Hook Cleaner.They are durable, helps clean waste to protect your phone speaker from clogging; The nylon bristles are of nice flexibility, wear resistance and thermal deformation.
  • 2.The Cleaner Brush is easy to use, just switch to the nylon bristles and insert into the phone port,the accumulating dirt inside can remove. Soft and durable bristles will not defom, but help you to clean phone speaker quickly and won't scratch phone.
  • 3.Switch to the hook tip,this multi tool can clean deep. Its tip hook can easily pull out the dirts inside or some larger clumps.
  • 4.Help maintain audio performance and clarity for your cell phone , airpods headphone accesorry ,camera, keyboard,ipad tablet etc.
  • 5.Also It help a lot in daily life,the mini cleaning brush can remove gunk from hard to reach areas, like window slots, blinds, car vents, sliding door rails, straws, hummingbird feeders, airbrushes, phone holes, small nozzles and more.

Option 1: iCloud Photos with Optimize Storage

  1. Open Settings and tap your name.
  2. Tap iCloud → Photos.
  3. Turn on Sync this iPhone or the equivalent iCloud Photos control.
  4. Select Optimize iPhone Storage or Optimize iPad Storage.

With iCloud Photos enabled, full-resolution originals are stored in iCloud while smaller versions remain on the device when space is needed. Uploading and optimization require sufficient iCloud capacity and may take time over Wi-Fi and power. An original may need to download again when you edit or share it, so this is not a fully offline archive. Apple’s iCloud Photos guidance explains the feature.

Important: iCloud Photos is a synchronization service, not an independent archive. Deleting a photo or video in Photos deletes it from other devices using iCloud Photos with that Apple Account. Do not delete photos to “remove them from the phone but keep them in iCloud.” If you need an archive, export or copy them first. See Apple’s deletion guidance.

Option 2: Copy photos to a computer

  1. Import or copy the photos and videos to a Mac or PC.
  2. Open several files, including videos and older images, and confirm the expected number and quality.
  3. Make a second backup in another location if the files are important.
  4. Delete only the verified items from the iPhone or iPad.
  5. Empty Photos → Recently Deleted only after confirming the backup.

Apple provides import instructions for transferring photos and videos to a computer. A device backup is not automatically the same thing as a browsable, independently verified photo archive.

Free tools Windows power users keep installed

One-click scans. No signup required.

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Option 3: Use external storage

Through Files, compatible iPhones and iPads can transfer files to external drives, servers and cloud services. USB-C models can often connect directly to compatible storage; other models may need an adapter. Some drives require more power than the device supplies, so a powered hub or adapter may be necessary. A cable that charges may not support data transfer.

Rank #4
Sale
iPhone Cleaning Kit for Charging Port Cleaner, Cleaner Kit for AirPod Phone
  • CLEAN & REPAIR CHARGING PORT - Compatible with iPhone cleaning kit tool won't get stuck inside and is easy to plug and use. Use the port pick, U-shaped brushes, and port brushes to clean the dirt out of your Phone, Pad, and Type-c port, and keep your phone looking brand new. Charging port cleaners can effectively clean lint, hair, fluff, and dust from your personal device ports
  • FIX POOR CONNECTIONS - Use the phone cleaning kit for charging port brush to recover Lightning cables and the detergent included to clean and repair damaged ports and charging cables, and repair intermittent charging, slow charging, and oxidation damage on connectors. The electronic cleaning kit effectively cleans, restores, and revives clogged ports and charging cables to eliminate unreliable connections. Note: This phone cleaner does NOT clean USB type -C cables
  • CLEAN SPEAKERS & EARBUDS - The earbud cleaning kit for Airpod can clean earphone housings, speakers, switches, tiny gaps, and the front surface of the headset. Using a high-density brush cleans dirt from inside the charging case of the earphones. The metal pen tip and high-density brush are for cleaning dirt from the sound outlet hole of the earphones and other areas
  • SAFE FOR YOUR DEVICES - This cleaning kit for iPhone charging port keeps your own devices and accessories clean and flawlessly connected from the inside out. This cleaning kit is safe for your Phone, Pad, and will not damage your device, and our phone cleaning kit includes a special small handle, which is more convenient to use, reduces operating errors, and keeps your device ensure safety
  • STURDY & COMPACT PORTABLE DESIGN - Our phone cleaner is made of high-quality sturdy ABS plastic, which can be closely attached cleaning to the charging port/cables of electronic devices. Compatible with iphone cleaner kit is portable and lightweight so you can take it anywhere. The package includes 8 x tool cleaning brushes, 1 x Soft plastic lens cleaning pen 1 x Detergent, 1 x large microfiber cloth, 4 x cleaning putty, 1 x user manual

Compatible USB-C iPhone models can format external drives as APFS, ExFAT or MS-DOS (FAT), according to Apple’s Files guide. Formatting erases the drive. Never format a drive until its existing contents have been backed up and you have confirmed that it is the correct drive.

Remove local iCloud Drive downloads without deleting cloud files

A file can appear in iCloud Drive while also occupying local device storage. To remove only the local copy:

  1. Open Files → Browse → iCloud Drive.
  2. Select the downloaded files.
  3. Tap the More button and choose Remove Download.

Remove Download frees local space and keeps the file in iCloud Drive. Delete removes the cloud file and can affect other devices using the same Apple Account. Files deleted from iCloud Drive may remain in Recently Deleted for 30 days. See Apple’s iCloud Drive instructions.

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If System Data or Other is unusually large

System Data can include caches, logs, indexes, Siri voices, fonts, dictionaries and other system-managed files. Some cached and temporary data is removed automatically when iOS or iPadOS needs room, and there is no universal button for manually clearing all of it.

Best Value
GintaXen 32-in-1 Cell Phone Cleaning Kit for iPhone/Android, Charging Port Cleaner for USB-C/Lightning, AirPods & Earbuds, Keyboard, Laptop, Screen, Camera Lens, Stylus Pen, Tech Gift (White)
  • PHONE & CHARGING PORT CLEANING KIT: Built for everyday phone care for Lightning and USB-C charging ports, speaker openings, earpieces, phone edges and camera areas. Removes pocket lint, dust and debris from hard-to-reach spaces on iPhone, Android and other smartphones.
  • AIRPODS & EARBUDS CLEANING KIT: Cleaning pen tip, flocked sponge and detail brushes reach speaker mesh, vents, charging cases and narrow gaps to remove dust and buildup. Ideal for AirPods, wireless earbuds and other compact audio devices.
  • KEYBOARD, LAPTOP & SCREEN CLEANER: Includes a keycap puller, switch puller, retractable keyboard brush and detail brushes for cleaning crumbs and dust between keys and around laptop ports. Screen-cleaning tools also help maintain monitors, tablets and device displays.
  • CAMERA & MULTI-DEVICE CLEANING TOOLS: Includes camera lens cleaning tools, precision swab, stylus pen, SIM eject tool, tweezers and built-in storage for small accessories. One compact electronics cleaning kit for phones, tablets, laptops, keyboards, cameras and more.
  • TECH GIFTS & STOCKING STUFFERS: Compact 2.17 x 2.17 x 5.39 in ABS case keeps all 32 tools organized and travel-ready. A practical Christmas gift, stocking stuffer, birthday gift or back-to-school gadget for men, teens, gamers, students, office workers and tech lovers.

Do not rely on “cleaner” apps claiming to purge protected iPhone or iPad system files. Instead, remove the actual source of the growth—downloaded media, Safari files, message attachments, offline content or unusually large app data—then restart the device and check storage again. If the number remains abnormal, install an available system update or contact Apple Support rather than repeatedly deleting random files.

If the device cannot update or back up

Use this emergency sequence:

  1. Open Settings → General → iPhone Storage or iPad Storage.
  2. Delete one or two large downloaded videos, games or editing projects.
  3. Offload unused apps.
  4. Use Remove Download for local iCloud Drive copies.
  5. Delete large message attachments.
  6. Review long videos and screen recordings in Photos.
  7. Restart the device.
  8. Check available storage again, then retry the update, backup or installation.

If an over-the-air update still cannot proceed, use a Mac or PC as an alternative and follow Apple’s current computer-update instructions. Finder on Mac and the Apple Devices app on Windows can also show a storage bar, although computer categories may differ from the on-device view because cached media can appear as “Other.”

Manage iCloud storage separately

For an iCloud storage warning, open Settings → your name → iCloud. On iOS or iPadOS 17 and later, Recommended for You may identify old backups, large files, photos and other removable content. Possible actions include deleting old device backups, excluding unnecessary apps from iCloud Backup, and removing unwanted iCloud Photos, iCloud Drive or Messages content.

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Archive or copy important information before deleting it from iCloud. A synchronized copy is not automatically a backup: deletion can propagate across devices. Apple’s iCloud recommendations and storage-management guidance provide the current controls.

Should you buy more iCloud storage or an external drive?

Need Best fit Trade-off
Effortless Apple photo optimization and backups iCloud+ Recurring cost; storage alone does not enlarge the device.
Photo access across Apple, Android and Windows Google One/Google Photos Adds another photo system to manage; confirm what is backed up before deleting local copies.
Shared work files and documents Dropbox May be unnecessary for a photo-only problem; downloaded files still use local space.
One-time, user-controlled archive Computer or external SSD, such as SanDisk or LaCie A single drive is not a complete backup and needs ongoing maintenance.
Only a few downloads or unused apps are causing the warning No purchase Delete, offload or remove local downloads instead.

Exact cloud prices and availability vary by country and can change. Choose a larger plan only when the underlying need is clear; iCloud+ is most natural for Apple Photos and backups, while external storage is better for a manually maintained archive.

Prevent the warning from returning

  • Check the device-storage screen periodically.
  • Remove downloaded shows, podcasts, books, maps and music after using them.
  • Review message retention and large attachments.
  • Keep a separate, verified archive of irreplaceable photos and videos.
  • Review large editing projects and app downloads before they accumulate.
  • Leave reasonable free space instead of running the device at its limit.

Before deleting irreplaceable material, keep at least one verified copy outside the device—preferably a second copy in a different location or service. The safest cleanup is always the one that removes replaceable local data first.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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