What is DNS cache on iPhone and how to clear it

Safari on iPhone and iPad works almost perfectly and is user-friendly, making them less likely to use third-party apps. However, sometimes a branded browser starts to slow down and simply does not load sites: at first glance, the whole problem lies in Wi-Fi or cellular communications. But if they are in perfect order and the rest of the applications work, you should clear dns cache on iphone. Surely you have heard about how this is done on Android or Windows. I propose to understand how it works and how to clean it.

We understand what is DNS cache on iPhone and how to clean it

Why Websites Don’t Load on iPhone

Each browser has a special temporary storage similar to a database that allows you to speed up access to sites based on recent requests. The device opens DNS cache instead of remembering the site’s IP address, so it loads very quickly. It is generally accepted that the DNS cache is in operating systems, but browsers have their own storage.

In most cases, website loading problems are related to the DNS cache.

Over time, the cache can become corrupted, causing Websites loading slowly on iPhone or not open at all. This becomes especially noticeable in cases where only the browser does not work, while there are no difficulties with other online applications. The best decision – reset dns cache on iphone, after which the problem should disappear. It is important to emphasize that clearing the cache does not affect browsing history, passwords, or website data.

How to speed up browser on iPhone

Clearing the DNS cache is useful to do at least once a week for preventive purposes.

At the same time, it is recommended to do a reset as often as possible for preventive purposes, and not only when sites have stopped loading in Safari. Here’s when to do it clear dns cache on iphone.

• Changed network settings on iPhone or after using VPN, which is why sites do not work correctly.
• To protect against malware, when sites redirect you to fake web pages, clearing the cache removes them from memory.
• When changing server data, so that sites continue to load correctly.

Clear DNS cache necessary for preventive purposes, even if you have no problems loading pages in your browser.

How to Clear DNS Cache on iPhone

On iOS, there are at least three of the easiest ways flush DNS cache. The easiest of these is to put your iPhone into airplane mode, as it takes the least time. This feature allows you to not only get rid of problems with a cellular signal or charge your phone faster, but also Speed ​​up website loading on iPhone.

By disabling the connectivity modules, the DNS cache will be cleared and Safari will start working normally again. It is better to do this several times a week so that the cache does not clog.

Do I need to restart my iPhone

Many are sure that restarting the iPhone is an atavism, and it is not necessary to do it at all. But as you know, this method helps to get rid of a lot of problems, including flush DNS cache.

So that the browser on the iPhone does not get stupid, it is better to restart the smartphone a couple of times a week.

• Hold down the power key on your iPhone with the Home button, then swipe the Power off slider to the right.
• On an iPhone with Face ID, hold down the power key and any of the volume buttons, then slide the Power off slider to the right.
• Wait at least 30 seconds, then turn on your iPhone.

Restarting takes longer than turning on Airplane Mode, so it’s best to use this method a couple of times a week.

How to clear browser cache on iPhone

In some cases, a complete removal of the DNS cache from the iPhone is not required. Instead, you can clear your browser’s cache: here’s how it’s done in Safari.

• Open Settings and select from the Safari list.


If the sites do not load, but the Internet works, you can try resetting the Safari cache

• Scroll through the list and click Clear History Website Data.
• After that, confirm the selection and click “Close tabs”.

The procedure will delete all cookies from the phone and the history of requests. Delete Google Chrome DNS Cache It’s pretty easy on an iPhone too.

You can prevent the accumulation of data in the DNS cache when using Incognito mode: to do this, in Safari you need to go to the menu with open tabs and click on the “Home” button, and then select “Private access”.

In incognito mode, the browser does not collect data and does not clog the cache

In Google Chrome, just click on the three dots and select “New Incognito Tab” – in this mode, the browser will not store site data.

You can also clear the DNS cache by resetting the network settings, which is located in Settings – “General”. This method will reset all Wi-Fi connection passwords and restart the iPhone, so you will have to enter them again.