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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchIn Firefox on iPhone, open the menu, tap History, tap the trash icon, and choose Today, Today and Yesterday, or Everything. To remove cookies and other stored data for one website, go to Settings > Privacy > Data Management > Website Data. To remove all private data at once, use Clear Private Data at the bottom of Data Management. Mozilla warns that the last option cannot be undone.
The most important distinction is that deleting a site from your history is not the same as deleting its cookies or logins. Choose the scope that matches what you want to remove, and keep in mind that these steps apply only to Firefox. Safari uses a separate set of settings, covered at the end of this guide.
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Choose the right scope before you delete
Firefox on iOS separates browsing history from the data that websites leave on your phone. Cookies, cached files, offline website data, and saved logins sit outside the history list, so clearing one does not automatically clear the other. The table below shows which option affects what, based on Mozilla’s description of each control.
| Goal | Where to go in Firefox | Removes history entries | Removes site cookies, stored data, or logins |
|---|---|---|---|
| Remove one history entry | History, then swipe right on the site name and tap Delete | Yes, that entry only | No. Mozilla states that site data and logins stay in place. |
| Clear recent history | Menu, History, trash icon | Yes, for the chosen range (Today, Today and Yesterday, or Everything) | Not stated by Mozilla for this option |
| Clear one site’s stored data | Settings, Privacy, Data Management, Website Data | Not applicable | Yes, for the selected site |
| Clear all private data | Settings, Privacy, Data Management, Clear Private Data | Yes | Yes, all listed private data categories, and the action cannot be undone |
Clear history by timeframe
Use this route when you want to erase recent browsing without touching anything else you have set up in the app.
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- This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, US Cellular, Cricket, Metro, Tracfone, Mint Mobile, etc.).
- Please check with your carrier to verify compatibility.
- The device does not come with headphones or a SIM card. It does include a generic (Mfi certified) charging cable.
- Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
- Tap the Firefox menu button. On iPhone it appears at the bottom of the screen. On iPad it is in the top-right corner.
- Tap History.
- Tap the trash icon at the bottom left.
- Select Today, Today and Yesterday, or Everything, then confirm.
Remove a single history entry
If one site appears in your history and you only want it gone from that list, swipe right on the website name and tap Delete. This is a history-only action. If you also want the site’s cookies removed, follow the website data steps below.
Clear cookies and stored data for one website
This is the route to use when you want a particular site to forget you, for example to reset a site that will not load correctly or to sign out of a service on the device.
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- Tap the Firefox menu button, then tap Settings.
- Under Privacy, tap Data Management, then tap Website Data.
- Find the site you want. If it is not visible, tap Show More.
- Select the site, then tap Clear Items at the bottom of the screen.
Clear all private data
Use this option only when you want a full reset of Firefox’s private data on the device. Mozilla’s support article states the warning plainly: “This action will clear all of your private data and cannot be undone.” Before you continue, make sure you do not need any saved logins that you have not recorded elsewhere.
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- Tap the Firefox menu button, then tap Settings.
- Under Privacy, tap Data Management.
- Scroll to the bottom and tap Clear Private Data.
- Confirm the action.
What these categories include
Mozilla’s support article for clearing history in Firefox on iOS lists the following categories of private data that Firefox identifies:
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- Browsing history
- Cache
- Cookies
- Offline website data
- Tracking Protection exceptions
- Saved logins
Mozilla describes cookies as files that hold information about a visit, including site preferences and user information. The support article does not say that each category has its own switch in the iOS interface, so treat the list as the categories Firefox includes in its private data rather than a menu of independent toggles.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Firefox versus Safari
Many iPhone users have two browsers and clear the wrong one. The steps above do not apply to Safari, which has its own controls:
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- 6.1" Super Retina XDR OLED, HDR10, 800 nits (HBM), 1200 nits (peak), 2532x1170px at 460ppi, 4005mAh Battery
- 8GB RAM, Apple A18 6-core CPU (2 performance + 4 efficiency cores), Apple GPU 4-core, 16‑core Neural Engine
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- Apple’s support article “Delete your Safari history, cache, and cookies on iPhone” describes Settings > Apps > Safari > Clear History and Website Data.
- Safari also has an Advanced > Website Data route for removing cookies and cache while keeping history.
- Apple says clearing Safari history does not clear histories that visited websites or other apps keep on their own.
- Apple also says that blocking all cookies in Safari removes existing cookies and website data and may stop some sign-ins or site features from working. That is a Safari setting and is not a Firefox fix.
If your screen does not match these steps
- Mozilla’s support article was last updated April 8, 2024, and does not name the app version it describes. Menu labels can change between releases, so if a label is missing, look for the closest match under Settings and Privacy.
- If you cannot find Data Management, check that you are in Firefox’s Settings screen and not the iOS Settings app, which has separate options.
- If a site still behaves oddly after clearing its data, sign back in to that site so it can rebuild the data it needs.
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