PC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchiTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
You can usually cut mobile-data use without upgrading, downgrading or changing your plan. Start by finding the apps responsible, then enable your phone’s built-in low-data mode, restrict only the heaviest nonessential apps, move large media activity to Wi‑Fi and check whether the phone is quietly switching to cellular when Wi‑Fi is weak. Keep the carrier’s usage meter beside the phone’s counter: the carrier determines what counts against your plan.
1. Find what is using your mobile data
Do not begin by blocking cellular data for every app. First identify the services consuming it. A short video session, cloud-photo backup or automatic app update can use more data than dozens of ordinary messages, so an app-by-app view gives you a better target.
Check usage on an iPhone
- Open Settings.
- Tap Cellular or Mobile Data, depending on the wording shown on your iPhone.
- Scroll to the app list. Each app has a cellular-data total for the current statistics period.
- Look for apps with unexpectedly large totals, and note whether the use comes from video, social feeds, cloud storage, navigation or another data-heavy activity.
The iPhone’s “current period” is not automatically the same as your carrier’s billing cycle. It represents data accumulated since the statistics were last reset. If you have never reset the counter, it may include many months of activity. You can reset it at the beginning of a billing cycle, but keep a record of the old figure first if you want to compare periods.
Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →The same screen lets you turn cellular access off for an individual app. That is useful when an app can wait for Wi‑Fi, but avoid disabling an app you depend on for navigation, two-factor sign-in, emergency communication or time-sensitive alerts.
#1 Best Overall
- DUAL-BAND WIFI 6 ROUTER: Wi-Fi 6(802.11ax) technology achieves faster speeds, greater capacity and reduced network congestion compared to the previous gen. All WiFi routers require a separate modem. Dual-Band WiFi routers do not support the 6 GHz band.
- AX1800: Enjoy smoother and more stable streaming, gaming, downloading with 1.8 Gbps total bandwidth (up to 1200 Mbps on 5 GHz and up to 574 Mbps on 2.4 GHz). Performance varies by conditions, distance to devices, and obstacles such as walls.
- CONNECT MORE DEVICES: Wi-Fi 6 technology communicates more data to more devices simultaneously using revolutionary OFDMA technology
- EXTENSIVE COVERAGE: Achieve the strong, reliable WiFi coverage with Archer AX1800 as it focuses signal strength to your devices far away using Beamforming technology, 4 high-gain antennas and an advanced front-end module (FEM) chipset
- OUR CYBERSECURITY COMMITMENT: TP-Link is a signatory of the U.S. Cybersecurity and Infrastructure Security Agency’s (CISA) Secure-by-Design pledge. This device is designed, built, and maintained, with advanced security as a core requirement.
Check usage on Android
- Open Settings.
- Open Network & Internet, Connections or the manufacturer’s similarly named network section.
- Tap Internet, Mobile network or Data usage, then open the app-usage view.
- Choose the mobile-data period that matches your review and inspect the ranked list of apps.
Google Pixel help documents app-level data-use controls, but Android manufacturers can rename or relocate them. A Samsung, Motorola, OnePlus or other Android phone may place the same controls under a mobile-network submenu. Search Settings for data usage if the labels do not match these examples.
Use the phone’s list to locate patterns, not as a guaranteed billing statement. Google advises checking how your carrier measures data and what limits apply to your plan. A carrier can count usage on a different cycle or apply network-side accounting that does not exactly match the handset’s estimate.
Compare the phone with the carrier account
Open your carrier’s app or web account and record the amount used, the billing-cycle dates and any separate counters for hotspot or roaming data. Compare that figure with the phone’s total before deciding that a setting “failed.” The two numbers can differ because their start dates, rounding and included services differ.
If the carrier shows that you are close to a limit, treat its meter as the operational authority for your plan. Use the device counter to identify which apps need attention, then use the carrier view to decide how urgently to act.
2. Turn on the phone’s built-in low-data mode
Both major mobile platforms provide a system setting that reduces background cellular activity. These modes are designed to prevent work you did not request—such as background refresh, automatic synchronization or some updates—from consuming data while you are away from Wi‑Fi. They do not make a high-resolution video stream small by themselves, so app settings still matter.
iPhone: enable Low Data Mode
For an LTE or 4G connection, use this path:
- Open Settings.
- Tap Cellular or Mobile Data.
- Tap Cellular Data Options or Mobile Data Options.
- Turn on Low Data Mode.
On a 5G iPhone, the option appears through Data Mode in the mobile-data options. The exact labels can vary with iOS version, SIM configuration and carrier support. If you use more than one cellular line, open the line you want to change before looking for the option.
Low Data Mode limits background network use and can pause or defer automatic updates and other background tasks in circumstances covered by Apple’s implementation. The trade-off is that an app may show older content until you open it on Wi‑Fi or allow it to refresh. Notifications that depend on background network work can also arrive later.
Rank #2
- Dual-band Wi-Fi with 5 GHz speeds up to 867 Mbps and 2.4 GHz speeds up to 300 Mbps, delivering 1200 Mbps of total bandwidth¹. Dual-band routers do not support 6 GHz. Performance varies by conditions, distance to devices, and obstacles such as walls.
- Covers up to 1,000 sq. ft. with four external antennas for stable wireless connections and optimal coverage.
- Supports IGMP Proxy/Snooping, Bridge and Tag VLAN to optimize IPTV streaming
- Access Point Mode - Supports AP Mode to transform your wired connection into wireless network, an ideal wireless router for home
- Advanced Security with WPA3 - The latest Wi-Fi security protocol, WPA3, brings new capabilities to improve cybersecurity in personal networks
iPhone treats cellular and Wi‑Fi settings separately. If you also want to reduce background activity on a particular Wi‑Fi network, open that network’s details in Settings > Wi‑Fi and enable Low Data Mode there. This is useful on a metered hotspot or a home connection with a data cap, but it is not necessary for an unlimited fixed-line connection.
Android: enable Data Saver
- Open Settings.
- Tap Network & Internet or the manufacturer’s equivalent.
- Tap Data Saver.
- Turn the switch on.
On many Android phones, Data Saver allows most apps and services to receive background mobile data only over Wi‑Fi. An app can still use data when you are actively using it, so Data Saver is a background-control feature rather than a complete cellular shutoff.
Android also provides an Unrestricted data or similarly named exception list. Add only apps that genuinely need timely background access, such as an essential messaging service, a work-security tool or navigation software that must download information while you travel. Every exception can continue to consume cellular data, so do not exempt an entire category simply because one app is important.
What the two modes have in common
| Platform | Main setting | What it changes | Exception and network choices |
|---|---|---|---|
| iPhone | Low Data Mode | Restricts background network activity and can defer automatic updates and background tasks. | Cellular and Wi‑Fi settings can be configured separately; per-app cellular access is controlled from Cellular or Mobile Data settings. |
| Android | Data Saver | Most apps receive background mobile data only over Wi‑Fi while the mode is enabled. | Selected apps can be granted unrestricted data; menu names vary by manufacturer and Android version. |
Neither Apple nor Google’s official guidance establishes a universal percentage of data saved. The result depends on which apps run in the background, how much media you stream and how often you encounter Wi‑Fi. Treat these modes as controls that prevent avoidable activity, not as a guaranteed reduction figure.
Recommended Free Tools
3. Restrict high-use apps instead of crippling the whole phone
After enabling the system mode, revisit the largest consumers in your usage list. Make a decision for each app based on how quickly you need its information and whether it can perform the same work later on Wi‑Fi.
Keep essential connectivity available
- Messaging: Keep cellular access for the service you rely on for urgent messages, but disable or limit secondary social and community apps if they can wait.
- Navigation: Leave mobile data available when you need live traffic, transit changes or a map search away from downloaded map areas.
- Security and authentication: A sign-in, password-manager or work-security app may need network access at the moment you use it. Test any restriction before relying on it.
- Cloud backup: Photo and file backup can wait for Wi‑Fi in many setups. Check the backup app’s own mobile-data preference as well as the operating-system permission.
Limit apps that can wait
On iPhone, return to Settings > Cellular or Mobile Data and switch off cellular access for an app that does not need it. The app will continue to work over Wi‑Fi, but it may not load new content when Wi‑Fi is unavailable.
On Android, open the app’s entry in the mobile-data screen. Depending on the device, you may see switches for background data, unrestricted data while Data Saver is on, or both. Turn off background use for a high-volume app that you only need when open. Leave foreground use enabled if you still want to use the app deliberately on cellular.
Rank #3
- NIGHTHAWK WIFI 6 ROUTER FOR YOUR WHOLE HOME: Delivers fast, reliable WiFi across every room of your apartment or small home for streaming, gaming, video calls, and smart home devices, all running at the same time without slowing each other down.
- WORKS WITH YOUR EXISTING INTERNET SERVICE: Pairs with your existing modem or gateway via ethernet. Compatible with most cable, fiber, DSL, and satellite providers. Some gateways and modem router combos may require bridge mode. No coax needed.
- SET UP AND MANAGE YOUR NETWORK WITH THE NIGHTHAWK APP: Download the free Nighthawk app on iOS or Android for guided setup. Manage WiFi, run speed tests, pause devices, and set up guest networks from anywhere. Active internet required.
- READY FOR THE DEVICES YOU ALREADY OWN: Your phones, laptops, and TVs work right out of the box. WiFi 6 delivers speeds up to 1.8 Gbps across 2.4 GHz and 5 GHz bands. Backward compatible with WiFi 5 and earlier.
- COVERAGE IN EVERY ROOM: Covers up to 1,500 sq. ft. for up to 20 connected devices. Walls, floors, and interference can reduce range. Larger or multi-story homes may benefit from a NETGEAR Orbi mesh WiFi system.
Change one or two apps at a time and observe the result for several days. If a notification is late or a widget stops updating, restore the exception rather than disabling the entire low-data mode.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minute4. Reduce the activities that create large bursts of data
System modes mainly address background work. The largest intentional transfers usually come from media and downloads, so inspect the settings inside the apps that produced the high totals.
Video and social feeds
- Choose a lower mobile-streaming quality when the app offers separate cellular and Wi‑Fi choices.
- Turn off automatic video playback in feeds if you do not need previews to play while scrolling.
- Use a download-for-offline option over Wi‑Fi for shows, lessons, maps, podcasts or music you know you will need later.
- Avoid repeatedly loading the same long video over cellular when a stable Wi‑Fi connection is available.
Quality labels and controls differ by app, and the reviewed official platform guidance does not define one universal menu path. Look in the app’s settings for terms such as video quality, data usage, autoplay or downloads.
App and operating-system updates
Set app stores and the operating system to update over Wi‑Fi when that option is available. An update may be worthwhile, but downloading many large packages over cellular can consume a substantial part of a capped allowance. Do not disable security updates permanently; defer them until Wi‑Fi instead.
Cloud photos and files
Photo and video backup can run continuously in the background. Open the backup service and look for a setting that permits cellular uploads, limits uploads to Wi‑Fi or pauses syncing while roaming. If you take many videos, review this setting first because a single recording can be much larger than a text conversation.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Podcasts, music and documents
Schedule podcast and music downloads for Wi‑Fi, and remove automatic downloads for subscriptions you rarely use. Large email attachments, software images and document folders should likewise be downloaded on Wi‑Fi whenever possible. Streaming audio generally uses less data than video, but an all-day stream can still become a significant line item on a capped plan.
5. Stop cellular fallback when Wi‑Fi is poor
A Wi‑Fi icon does not always mean that every byte is traveling over Wi‑Fi. Some phones use cellular as a fallback when the Wi‑Fi connection is judged too slow or unreliable.
Rank #4
- 𝐅𝐮𝐭𝐮𝐫𝐞-𝐑𝐞𝐚𝐝𝐲 𝐖𝐢-𝐅𝐢 𝟕 - Designed with the latest Wi-Fi 7 technology, featuring Multi-Link Operation (MLO), Multi-RUs, and 4K-QAM. Achieve optimized performance on latest WiFi 7 laptops and devices, like the iPhone 16 Pro, and Samsung Galaxy S24 Ultra.
- 𝟔-𝐒𝐭𝐫𝐞𝐚𝐦, 𝐃𝐮𝐚𝐥-𝐁𝐚𝐧𝐝 𝐖𝐢-𝐅𝐢 𝐰𝐢𝐭𝐡 𝟔.𝟓 𝐆𝐛𝐩𝐬 𝐓𝐨𝐭𝐚𝐥 𝐁𝐚𝐧𝐝𝐰𝐢𝐝𝐭𝐡 - Achieve full speeds of up to 5764 Mbps on the 5GHz band and 688 Mbps on the 2.4 GHz band with 6 streams. Enjoy seamless 4K/8K streaming, AR/VR gaming, and incredibly fast downloads/uploads.
- 𝐖𝐢𝐝𝐞 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞 𝐰𝐢𝐭𝐡 𝐒𝐭𝐫𝐨𝐧𝐠 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐨𝐧 - Get up to 2,400 sq. ft. max coverage for up to 90 devices at a time. 6x high performance antennas and Beamforming technology, ensures reliable connections for remote workers, gamers, students, and more.
- 𝐔𝐥𝐭𝐫𝐚-𝐅𝐚𝐬𝐭 𝟐.𝟓 𝐆𝐛𝐩𝐬 𝐖𝐢𝐫𝐞𝐝 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 - 1x 2.5 Gbps WAN/LAN port, 1x 2.5 Gbps LAN port and 3x 1 Gbps LAN ports offer high-speed data transmissions.³ Integrate with a multi-gig modem for gigplus internet.
- 𝐎𝐮𝐫 𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐂𝐨𝐦𝐦𝐢𝐭𝐦𝐞𝐧𝐭 - TP-Link is a signatory of the U.S. Cybersecurity and Infrastructure Security Agency’s (CISA) Secure-by-Design pledge. This device is designed, built, and maintained, with advanced security as a core requirement.
Apple describes the behavior this way: “With Wi‑Fi Assist, you can stay connected to the Internet even if you have a poor Wi‑Fi connection.” Apple Support published that statement on April 22, 2026.
How Wi‑Fi Assist affects an iPhone
Wi‑Fi Assist is enabled by default on supported iPhones. To disable it, open Settings > Cellular or Settings > Mobile Data, scroll to the bottom and turn off Wi‑Fi Assist. The switch is separate from Low Data Mode.
Free tools Windows power users keep installed
One-click scans. No signup required.
With Wi‑Fi Assist disabled, the phone should not use that documented cellular fallback when Wi‑Fi is poor. The trade-off is a slower or less reliable connection in a weak-Wi‑Fi area. Apple notes that Wi‑Fi Assist may make cellular use slightly higher for most users, works with foreground apps and does not activate for background downloads. Apple also notes that some third-party audio or video streaming and attachment downloads may not use it. Therefore, disabling the setting prevents a specific fallback mechanism; it does not guarantee that every app will behave identically.
Diagnose the Wi‑Fi itself
- Move closer to the access point and see whether the cellular counter stops rising during the same task.
- Test another Wi‑Fi network. If the problem occurs only at home, coverage or interference is more likely than a phone-wide setting.
- Restart the access point and phone before changing several settings at once.
- If cellular use occurs because coverage is poor in parts of the home, improving Wi‑Fi coverage may be more effective than repeatedly toggling mobile settings.
A Wi‑Fi router or access-point upgrade is optional hardware, not a prerequisite for the software steps in this guide. No particular model can be assumed to solve every coverage problem; check the size, layout and connection of your home before buying equipment.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.6. Keep the carrier’s measurement in view
Phone counters are diagnostic tools. The carrier’s account is the place to check what counts against the plan, especially near the cycle’s reset date.
- Find the carrier’s current billing-cycle dates and usage total.
- Write down the phone’s current-period total and the date its statistics were last reset.
- Compare app rankings on the phone with the carrier’s total rather than expecting identical numbers.
- After making changes, check again close to the same point in the next billing cycle.
Do not reset the phone’s counter every time you troubleshoot. Resetting erases the comparison baseline. If you do reset it, record the date and the carrier total so the new period has a meaningful starting point.
7. Troubleshoot common outcomes
Data use remains high after enabling Low Data Mode or Data Saver
Check whether the largest usage is foreground video, hotspot traffic, downloads or an app you exempted. Background-saving modes do not compress a video you deliberately stream, and an unrestricted Android exception can continue to use cellular data. Review the app’s own media and download settings next.
Best Value
- Dual band router upgrades to 1200 Mbps high speed internet (300mbps for 2.4GHz plus 900Mbps for 5GHz), reducing buffering and ideal for 4K stream
- Full Gigabit Ports - Gigabit Router with 4 Gigabit LAN ports, ideal for any internet plan and allow you to directly connect your wired devices
- Boosted Coverage - Four external antennas equipped with Beamforming technology extend and concentrate the Wi-Fi signals
- MU-MIMO technology - (5GHz band) allows high speeds for multiple devices simultaneously
- Access Point Mode - Supports AP Mode to transform your wired connection into wireless network, an ideal wireless router for home
Notifications arrive late
Identify the affected app and decide whether immediate alerts are worth its cellular access. On Android, add only that app to the unrestricted-data list if necessary. On iPhone, restore its cellular permission or allow its relevant background activity. Test the change while away from Wi‑Fi before depending on it for urgent communication.
The phone shows Wi‑Fi, but cellular usage increases
Check Wi‑Fi Assist on an iPhone and test the network’s signal quality. A weak connection can trigger fallback for supported foreground activity. Also look for a large upload, stream or download that began before Wi‑Fi connected; the app may continue until the task ends.
The phone and carrier show different totals
Compare their date ranges first. The iPhone counter runs from its last reset, while the carrier uses its billing cycle. Android’s display can also use a device-selected period. If the difference persists, ask the carrier which traffic categories, roaming rules or hotspot measurements are included in its total.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →An app stops refreshing only on cellular
That is an expected trade-off when its cellular permission or background data is restricted. Re-enable the app if timely refresh matters, or leave the restriction in place and open the app manually when you want current content. A delayed refresh is preferable only when the app is genuinely nonessential between Wi‑Fi connections.
8. Use a simple maintenance routine
Data reduction works best as a small recurring check rather than a one-time emergency change.
- At the start of each billing cycle: Note the carrier total and, if useful, reset the phone’s statistics after recording the old value.
- Once a week: Scan the app ranking for a new high-use service, especially after installing an app or starting a new media subscription.
- Before travel: Download maps, music, podcasts and other planned content over Wi‑Fi; confirm which navigation or messaging tools still need cellular access.
- After a major operating-system update: Recheck the location and state of Low Data Mode or Data Saver, because menu wording and available options can change.
- Near the plan limit: Use the carrier’s account meter, then temporarily tighten media quality, downloads and nonessential app permissions until the cycle resets.
9. What these settings can and cannot do
Low Data Mode and Data Saver are preventive controls. They reduce background activity, defer some maintenance and let you choose exceptions. They cannot change the allowance in your plan, erase data already counted, or guarantee a particular percentage of savings.
The most effective setup is selective: keep cellular access for services that must work while you are out, block background access for apps that can wait, move large media transfers to Wi‑Fi and disable cellular fallback only if the resulting Wi‑Fi performance is acceptable. Recheck the carrier’s meter after the next complete billing cycle to learn how those choices affect your actual plan usage.
Quick Recap
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.
