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Here’s Why You Should Clear Your iPhone Cache

Why you should clear your iPhone cache and exactly how to do it in ​Chrome, Safari and Firefox.

Your iPhone is a handy pocket computer that lets you take the internet virtually anywhere you go, and just like every other piece of tech, it benefits from a little routine maintenance. Even browsing on the latest iPhone 14 Pro and Pro Max models might start to feel sluggish over time. Keep your iPhone’s browsers moving as fast as possible by clearing your cache every month — it only takes a few seconds.

Whether you use Chrome, Safari or other browsers on your iPhone, your cache builds up digital clutter over time. Clearing your cache gives the browser a new start, which can speed up your web surfing, even on iOS 16.4. (And if you’re trying to get your phone to run faster, try managing your iPhone’s storage.) 

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Your browser cache acts like a digital shortcut — it stores website data so your browser has a head start the next time you load up that page. In the short term, that helps speed up the process. But over time, the data stored in your cache can become outdated and no longer match what the site actually needs. If that happens, pages will load slower, and the formatting might be wrong. 

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. 

Website cookies are similar, except they store information about user data, rather than data on the website itself. Clearing your cookies gives you a chance to reset those preferences, which could improve your browsing experience. Note that clearing your cache and cookies will log you out of sites, which means you’ll have to log into them again and reset any preferences. But the upfront investment of that time can lead to a smoother experience down the road, and it can be a useful fix if you’ve recently changed settings that aren’t being applied properly.

Here are step-by-step guides on how to clear your cache on your iPhone based on the browser you use

How to clear your iPhone cache in Safari

Safari is the default browser on iPhones, and you can clear your Safari cache in a few short steps. Starting with iOS 11, following this process will affect all devices signed in to your iCloud account. As a result, all your devices’ caches will be cleared, and you’ll need to sign in to 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. Go to Clear History and Website Data.

4. Choose Clear History and Data in the pop-up box.

Then you’re set!

Read more: Best iPhone in 2023: Which Apple Phone Should You Buy?

How to clear your iPhone cache in Chrome

Google Chrome internet browser logoGoogle Chrome internet browser logo

It’s easy to clear your iPhone cache in Chrome.

James Martin/CNET

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 across the top and select Settings.

4. Select Privacy and Security 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: This iPhone Setting Stops Ads From Following You Across the Web

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 options.

2. Choose Settings at the bottom of the menu.

3. Select Data Management in the Privacy section.

4. 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: Experiencing Slow Wi-Fi? It Could Be Caused by Internet Throttling. 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 or out of date. (My phone had about 150MB 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 in to everything again. 

How often do I need to clear my cache?

Most people only need to clear their caches once every month or two. That’s generally the point when 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 download iOS 16 today, the best new iOS 16.3 features and some hidden iOS 16 features. You can also take a look at how each new iPhone 14 model compares to the others.

Technologies

China’s super-rich fled Singapore. Now they want to come back

Wealthy Chinese are reconsidering Singapore as Beijing’s offshore wealth scrutiny and geopolitical risks make alternatives less attractive.

A year ago, wealthy Chinese families were souring on Singapore. Its rules felt onerous, its nightlife subdued. Other cities seemed easier or more exciting.

Now they want to come back.

Family-office advisers and wealth managers say they are seeing renewed interest in Singapore from affluent Chinese clients who had shifted their lives to other financial centers, as tightening scrutiny from Beijing and geopolitical turmoil make its stability look attractive again.

The reversal underscores how quickly the calculations of Asia’s wealthy can change.

Singapore emerged as a favored destination for wealthy mainland Chinese seeking to diversify their assets and gain distance from Beijing, particularly after Hong Kong’s 2019 protests and subsequent national security crackdown.

However, its appeal faded after a $3 billion money-laundering scandal in 2023 triggered tighter scrutiny of wealthy clients and family offices. Stricter compliance checks, lengthy bank onboarding and residency requirements pushed some Chinese families toward jurisdictions they viewed as easier or more appealing – such as Hong Kong, Dubai and Tokyo.

They’re now telling me I really want to come to Singapore to become a citizen.Ryan LinBayfront Law

But what once seemed restrictive is increasingly being viewed by some as a source of security.

“The very reason why they came to Singapore in the first place back then was because China’s policies impact Hong Kong much closer to them than in Singapore,” said Bayfront Law director Ryan Lin.

Lin, who advises wealthy Chinese clients on setting up family offices and securing residency in Singapore, said last year that he was increasingly helping clients move away from the city-state as tighter compliance and disclosure requirements eroded its appeal.

The shift comes as Beijing steps up scrutiny of wealth held outside mainland China. New rules affecting offshore trusts have rattled wealthy families because of requirements to disclose structures and potential tax liabilities, while tighter oversight has also extended to areas including insurance and offshore brokerage accounts. These rules can apply regardless of where a trust is located or where an individual physically lives.

“When it comes to the safety of their wealth, they probably now are considering Singapore very, very seriously for the long term,” he said, adding that they are more determined this time, with several asking about pathways to permanent residency and citizenship as they consider making Singapore a longer-term base.

Moving to Singapore does not automatically sever an individual’s obligations to China, said Carman Chan, founder of Hong Kong and Singapore-based family office Click Ventures, particularly without a change in citizenship or tax status.

Advisers say the renewed interest in Singapore is generally about creating physical, financial and political distance from the mainland while maintaining additional options.

Lin said recent restrictions affecting mainland investors’ access to offshore brokerages in Hong Kong had particularly unsettled some clients. “They find perhaps Hong Kong is really too close to China,” he said.

Manish Tibrewal, co-founder of family office Farro Capital, said his firm has seen a sharp pickup in inquiries from Chinese families considering to relocate to Singapore.

A spokesperson for Hong Kong’s Financial Services and the Treasury Bureau said that under the “one country, two systems” framework, “Hong Kong upholds the common law system, the free flow of capital, the free convertibility of its currency, a simple and low tax regime, and a regulatory framework aligned with international standards.”

Dubai reversal

Singapore is also benefiting from a different source of anxiety: the Middle East.

Several advisers, including Tibrewal and Lin, said Chinese families who shifted toward Dubai in recent years have reconsidered their plans amid conflict in the region.

Lin said some of his clients initially treated the conflict as a temporary shock. But as tensions persisted, families began taking more concrete steps to leave.

“My clients are afraid that Dubai may potentially be easy collateral damage.” Lin said. “Their sense of security will not be there. They will be frantic. At least mentally, they won’t feel very safe. Their mindset of managing money in Dubai has changed.”

Some have already returned while others are unwinding investments and financial arrangements before doing so, he said.

Japan’s barriers

Tokyo had become attractive to wealthy Chinese in recent years as a weak yen made everything from property to luxury goods cheaper. Its proximity to China and safety had also made it an obvious alternative to Singapore.

Yet language barriers, difficulties integrating into Japanese society and differences in business and social culture caused issues, advisers said.

Iris Xu, CEO of Jenga Business Consulting Group, a consultancy that works with wealthy families, cited one client who relocated to Japan but returned to Singapore after just eight months.

“After going to Japan, going to Dubai, going to Hong Kong, there remains the Singapore option,” Xu said.

Back to Singapore

The renewed interest also arrives as Singapore itself fine-tunes the rules governing its family-office industry.

The Monetary Authority of Singapore in July eased some conditions for single-family offices seeking tax incentives, with the changes taking effect Aug. 1. The revisions give offices greater flexibility on hiring and investment requirements even as authorities continue to strengthen checks on the sources of wealth entering the country.

“Wealth owners from a diverse range of countries choose Singapore for many reasons, including our high standards of regulation, strong rule of law, and a comprehensive ecosystem of wealth managers and professional service providers,” an MAS spokesperson told CNBC.

Advisers for the wealthy say Singapore’s advantage is increasingly the predictability that comes with its rules.

“Their priorities have changed,” Xu said. “Before, maybe they were looking for an opportunity. Now they are looking at safety.”

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Technologies

U.S.-Iran escalation shows Washington’s frustration with slow-moving sanctions

Renewed hostilities reopen the question of whether the conflict is grinding toward a settlement or further escalation.

The escalation in hostilities between the U.S. and Iran over the weekend shows the U.S. is running out of patience with the slower-moving sanctions approach, according to analysts.

U.S. forces destroyed two Iranian rocket launchers on Larak Island on Sunday, as the Islamic Republic prepared to fire mine-carrying rockets into the Strait of Hormuz, ending a month-long lull in direct fighting.

The strike was the first publicly acknowledged U.S. attack since late July. Iran responded within hours, firing eight missiles at the King Hussein and Al Azraq air bases in Jordan. Jordanian air defenses intercepted all eight, with no casualties, the government said.

Later Sunday, President Donald Trump threatened on social media to blow up Kharg Island, Iran’s main oil-export hub, to “smithereens.”

“Most of the war has been tactically focused rather than strategic from the outset,” said Ian Ralby, a maritime security expert and president of Auxilium Worldwide. “The question, therefore, is: why this, why now?”

The sanctions campaign may not be hurting Iran’s leadership fast enough for the U.S.’s liking, Ralby said. Treasury Secretary Scott Bessent told Reuters on Sunday that he expects new sanctions on Iran weekly, particularly targeting banks, and that Washington intends to cut Tehran-linked institutions out of the dollar system entirely.

“It may be that the financial pressure was not curtailing Iranian behavior to the level the U.S. anticipated,” Ralby said. Renewed Iranian military activity may also have threatened U.S. forces or interests in the region “at a sufficiently high level of gravity that the U.S. felt it necessary to strike Iranian territory once more.”

The U.S. strike is likely an attempt to break a deadlock rather than a shift in policy, Ralby added. “The status quo has become somewhat stagnant, and I’m sure the U.S. would like to see that change,” he said. But it is unlikely to alter “the continuation of the blockade, or the economic ‘warfare’ being used to try to pressure Iran.”

Potential escalation

Trump’s threat against Kharg Island is likely to remain rhetorical. The terminal has absorbed dozens of strikes since the war began, with its oil infrastructure deliberately spared.

“It is unlikely that the President of the United States will actually carry through on the threat to attack Kharg Island,” Ralby said, noting the island also holds a historic early church that Iran has worked to preserve.

An attack “would be a destruction of cultural heritage as well as destruction of critical oil infrastructure, which would likely cause catastrophic environmental harm,” he said. “Threatening it may seem appealing, but actually blowing it up should hold little appeal.”

Rather than confronting U.S. forces head-on, Iran is more likely to retaliate through proxies and pressure on shipping and energy flows.

“The key to this conflict from the outset has been asymmetry,” Ralby said. “The Iranians have demonstrated an ability to use limited actual force to inflict substantial, actual harm.”

For instance, the Houthis, who control a large part of Yemen and have held sway over the approaches to the Bab el-Mandeb for the better part of a decade, entered the war weeks ago in support of Iran.

With the Houthis restricting navigation through the Bab el-Mandeb, the U.S. and its allies in the region could face a situation where the two major maritime chokepoints used to export the majority of the Gulf’s petroleum products are “subject to manipulation by Iran and its partners,” said Michael Ratney, senior adviser at the Center for Strategic & International Studies.

“We always assume that the Houthis and Iran are part of the same kind of group, but they’re not,” said Claudio Galimberti, chief economist at Rystad Energy. “They have worked in the past quite independently.”

Somali piracy, dormant since 2013, has also returned as coalition navies concentrate on the Red Sea and Hormuz. At least five vessels are currently held, including a tanker seized off Al Mukalla on Aug. 20.

“Enhanced pressure on oil production, the energy market, and global shipping are likely to be the focal points for Iranian retaliation,” Ralby said.

The military campaign remains the dominant force in oil prices. Flows through the strait reached roughly 7 million barrels a day last week via the Omani corridor under U.S. Navy escort, according to Galimberti’s estimates, calling it “a very costly mechanism … but it’s working.”

The strike on Larak threatens to reverse that recovery, injecting fresh uncertainty into commercial shipping through the waterway. “The expectation is that the flows in the next couple of days probably will be lower, and therefore you should expect the price increase for sure,” Galimberti said.

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Technologies

CNBC Daily Open: Trump wants to floor it on economic growth as Warsh eyes the brakes

The Trump administration saw two embattled officials fending off criticism yesterday as the war in the Middle East flared up again.

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Hello, this is Hui Jie writing to you from Singapore. Welcome to another edition of CNBC’s Daily Open.

The Trump administration saw two embattled officials fending off criticism yesterday as the war in the Middle East flared up again, with U.S. President Donald Trump trying to lower pump prices and talk up growth.

Treasury Secretary Scott Bessent also defended the decision to increase bond purchases earlier last month, after investor Stanley Druckenmiller criticized the move.

If you were working late in Asia last night, you may not have caught any of this, simply because Microsoft Outlook and ChatGPT Work experienced outages. I know of more than a few office workers that were secretly grateful for that.

What you need to know today

U.S. President Donald Trump has unveiled a cunning plan to combat high pump prices for Americans, involving his claimed control over 65 billion barrels of oil reserves in Venezuela.

He will meet with U.S. refiners and fuel distributors, looking for ways to expand domestic refining capacity and bring down gasoline prices, according to a White House official.

Prices at U.S. pumps were at $4.08 per gallon on average nationwide Monday, according to AAA data, which is nearly 30% higher compared to the same time last year.

However, there is just one snag. Experts told CNBC that his deal with Venezuela will not lower gas prices anytime soon.

Venezuela’s oil infrastructure is in a state of disrepair, and it will require about $180 billion of investment till 2040 to return the country to peak production, according to Rystad Energy.

The South American nation is currently producing around 1.2 million barrels a day, down from a peak of 3.5 million bpd in the late 1990s.

Trump also has one eye on the Middle East, vowing to hit Iran “hard” after the Islamic Republic said it launched an attack on two U.S. bases in Jordan.

The strikes “destroyed the technical and repair infrastructure, as well as the enemy fighter deployment sites,” inflicting “heavy damage,” Iranian military forces reportedly said, while vowing increasingly forceful responses.

Growth and the Fed

Trump also continued his push for the Fed to lower interest rates, arguing that the U.S. could grow at rates of up to 20% (yes, that is not a typo), and adding such rapid growth should not prompt the central bank to raise interest rates.

“Success in growth does not cause inflation,” the U.S. president said. However, growth has never reached anywhere close to the levels Trump is saying, except for one Covid pandemic-related surge of 34.9% in 2020, which notably followed a 28% contraction in the previous quarter.

The most recent GDP numbers, however, are a far cry from the 20% annualized growth touted. Real GDP increased at a 1.5% annualized rate in the second quarter of 2026, down from 2.1% in the first quarter, according to the BEA’s latest estimate.

The president’s stance would then put him at odds with Fed Chairman Kevin Warsh, who is expected by markets to hike rates at the Fed’s meeting in September.

Odds for a move at the Sept. 15-16 meeting jumped to 66.1% on Monday, nearly double where they were before Warsh’s speech at Jackson Hole over the weekend, according to the CME Group’s FedWatch tool.

Treasury Secretary Scott Bessent, meanwhile, defended the department’s decision to double the planned size of buybacks of longer-dated U.S. bonds.

Investor Stanley Druckenmiller, Bessent’s former mentor, argued that the policy amounted to “price management” rather than an attempt to improve market liquidity, and risked undermining the Treasury’s credibility.

Outlook and ChatGPT outages

But the most important news for office workers Monday stateside would be that they had a rare reprieve from some of their work, as Microsoft Outlook and OpenAI’s ChatGPT Work experienced outages.

Users reported problems with Outlook, while OpenAI said users may experience problems starting or continuing tasks in ChatGPT Work, temporarily disabling two of the modern office’s favorite methods of assigning more work.

Anyone who failed to send an email, and then failed to ask AI to write an excuse for not sending that email, finally could legitimately say “I couldn’t do it, honest!”

— Lim Hui Jie

And finally…

FTC sues Amazon, accusing the e-commerce giant of misleading advertisers

The Federal Trade Commission on Monday sued Amazon, alleging the e-commerce giant “secretly and systematically overcharged” advertisers on its platform by manipulating its pricing and auction systems.

The lawsuit, which was joined by 22 state attorneys general, argues that Amazon may have reaped more than $20 billion from advertisers by using “hidden surcharges” dating back to a change to its auction rules that took effect in 2019.

However, the company argues that its auction systems have saved advertisers $8 billion between 2021 and 2025, not cost them extra.

— Annie Palmer

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