Technologies
Slow iPhone? This one-minute task will speed it up instantly
You should be clearing your iPhone cache on a regular basis. Here’s how to do it in Chrome, Safari and Firefox.

If your iPhone has been a little sluggish lately, that doesn’t mean you have to buy the latest iPhone (like the upcoming iPhone 13). You can try clearing your iPhone cache instead. It’s a simple trick to get your iPhone back up to speed. You can also try freeing up space on your iPhone to help it zoom from app to app and whip open browser tabs again.
Typically, visiting a website requires your phone to download information like photos, banners and other data. To help speed up that process, most internet browsers will store some of that data in a cache so it’s easier to retrieve. Think about it like storing a 24-pack of beverages in your fridge so you don’t have to trek to the grocery store every time you want a drink. In small doses, it’s convenient.
Things become less convenient when your browser’s cache gets outdated and the data being retrieved no longer matches the data actually being used on the website. The result? Slower load speeds and wonky website formatting. That’s why clearing your cache can help: It gives sites a fresh start in your browser and frees up some space in your storage.
Read more: Speed up your iPhone by clearing ‘Other’ storage
Note that clearing your cache will sign you out of sites you’re currently logged into. Still, it’s generally worth that mild inconvenience every now and then to keep things moving quickly.
Here are step-by-step guides on how to clear your cache on your iPhone, based on which browser you use.
Read more: 16 iPhone settings you’ll wonder why you didn’t change sooner
How to clear your iPhone cache in Safari
Safari is the default browser on iPhones, and you can clear your cache in a few short steps. Note that, starting with iOS 11, following this process will affect all devices signed into your iCloud account. As a result all your devices’ caches will be cleared, and you’ll need to sign into everything the next time you use them. Here’s what to do:
1. Open the Settings app on your iPhone.
2. Select Safari from the list of apps.
3. Scroll down and select Clear History and Website Data.
4. Confirm your selection in the popup box.
Then you’re set!
Read more: Best iPhone 2021: We looked at all 7 models Apple sells to decide which is best
How to clear your iPhone cache in Chrome
Chrome is another popular browser for iPhone users. The overall process for clearing your Chrome cache requires a few more steps, and you’ll need to do things through the Chrome browser itself. Here’s how.
1. Open the Chrome app.
2. Select the three dots in the bottom right to open more options.
3. Scroll down and select Settings.
4. Select Privacy in the next menu.
5. Then select Clear Browsing Data to open up one last menu.
6. Select the intended time range at the top of the menu (anywhere from Last Hour to All Time).
7. Make sure that Cookies, Site Data is selected, along with Cached Images and Files. Finally, hit Clear Browsing Data at the bottom of the screen.
Read more: iOS 14.5 can stop apps from tracking you. Here’s how to get started
How to clear your iPhone cache in Firefox
If you’re a Firefox devotee, don’t worry. Clearing the cache on your iPhone is pretty straightforward. Just follow these steps.
1. Click the hamburger menu in the bottom right corner to open up more options.
2. Select Privacy in the next menu.
3. Select Settings at the bottom of that menu.
4. Select Data Management.
5. You can select Website Data to clear data for individual sites, or select Clear Private Data at the bottom of the screen to clear data from all selected fields.
Read more: Slow Wi-Fi could mean your provider is throttling your internet. Here’s how to tell
What happens when you clear the cache?
Clearing your cache removes the website data your phone stored locally to prevent having to download that data upon each new visit. The data in your cache builds over time and can end up slowing things down if it becomes too bulky. (My phone had about 150 MB of data stored in Chrome when I checked.) Clearing that data gives sites a fresh start, which may fix some loading errors and speed up your browser. However, clearing your cache also signs you out of pages, so be prepared to sign into everything again.
How often do I need to clear my cache?
Most people don’t need to clear their caches more than once every month or two. That’s generally the point where your browser will build up a cache large enough to start slowing things down. If you frequent a large number of sites, you should err on the side of clearing your cache more often.
For more, check out how to FaceTime between an iPhone and Android, how to download iOS 15 on your iPhone right now, and 5 creative, fun photo projects to try with your phone at home.
Technologies
Google Is Bringing Gemini AI to Its Smart Home Lineup, Starting Oct. 1
Goodbye, Google Assistant. Hello, Gemini.

It increasingly feels like Google’s AI assistant is omnipresent across our devices and, starting next month, it could also be in your home.
In a post on X on Tuesday, the company teased, «Gemini is coming to Google Home,» and told us to, «Come back October 1.»
At its Made by Google event in August, the company announced Gemini for Home among a slew of other product announcements, so this has been in the works for a while.
Tuesday’s X post teaser appears to show an image of a Nest camera, which Google last upgraded four years ago, suggesting the security camera could be set for a refresh. An upgraded Nest speaker and doorbell, both with 2K camera support, could also be part of the Oct. 1 unveiling.
Google did not immediately respond to CNET’s request for comment.
Android Faithful podcast co-host (and former CNET staffer) Jason Howell is «optimistic» about Gemini replacing Assistant in Google’s smart home products.
«In recent years, I have witnessed my Google Home devices degrading in quality and becoming far less useful for even simple tasks and questions,» Howell tells CNET. «They’ve become buggy and unreliable to the point where I’ve stopped interacting with them for most things.»
Gemini catches dog red-handed
At the Mobile World Congress tech show in Barcelona earlier this year, Howell was impressed by Gemini’s performance with a smart home camera.
«A smart home camera detected a dog that came into the kitchen to steal a cookie off the counter,» Howell recalls. «Through voice interaction, the homeowner could ask the system what happened to the cookie, and, given the video context from the camera and an understanding of what it saw, the system could tell the homeowner that the dog was the culprit.
«This sort of example empowers users to spend less time looking for answers in lieu of simple voice queries that serve them the answer they are looking for with less effort and less time spent.»
Google announced last month that Gemini for Home will eventually replace Google Assistant in its smart home devices. You’ll still activate Gemini with, «Hey Google,» but the advanced AI tech will be able to better interpret more complex and nuanced instructions and questions.
Maybe you’re stumped as to what to make for dinner, so it could be: «Hey Google, what quick pasta dish can I cook in less than an hour?» or, «Give me a recipe for Caesar salad.» Gemini is also designed to work with thermostats and smart lights, so you might tell it to «turn the temp to 68 degrees» and «turn off all the lights except in the kitchen.»
The market for smart home technology is expected to grow by 23% over the next five years, according to Grand View Research.
Technologies
Polar Introduces Loop, a $200 Screenless Wearable
Polar’s first fitness tracker with no screen tracks activity, sleep and overall health, the company says.

Fitness tracking company Polar has launched Loop, a $200 screenless wearable that it says will have no subscription fees. Preorders opened on Sept. 3, and the Polar Loop will start shipping on Sept. 10.
Like other fitness trackers, the Polar Loop will log steps, sleep patterns and daily activity patterns but Polar is touting the lack of a screen as «unobtrusive» and «discreet.» The Loop, which is a wearable band for your wrist, has eight days of battery life with continuous use and stores four weeks’ worth of data. It syncs with the Polar Flow app to view stats and analyze sleep and training data, among other information.
Because it has no buttons, activities can be started in the app or passively with what the company calls «automatic training detection.»
It’s available in the colors Greige Sand, Night Black and Brown Copper. Additional band colors are offered for $20 each.
There’s already a market of no-screen wearables, including the Whoop 5.0 wristband and smart rings such as the Oura Ring 3.
Will the Loop measure up?
Whether the Polar Loop’s attempt at simplifying a fitness wearable works out will largely depend on how well it runs and what it offers compared to other devices.
«The company is clearly tapping into the growing demand for screen-free wearables,» says CNET’s lead writer for wearables, Vanessa Hand Orellana. «It feels like a direct answer to the athlete-favorite Whoop band and even the Oura Ring, both of which collect similar health metrics to display and analyze in their respective apps.»
Hand Orellana says Polar has a good reputation, with its signature heart-rate chest straps, and may win over fans by eschewing the subscription fee that the Oura and Whoop require.
«That said, as with most devices in this space, the real differentiator often comes down to execution… specifically, how well the data translates into clear, actionable insights. Personally, I’m curious to see how the Loop integrates with Polar’s app, which, at least in my experience with their HR straps, hasn’t always been the most intuitive to navigate,» she said.
Technologies
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