When you want to delete cookies or browsing history in a Web browser, you are probably accustomed to signing back into all of your accounts, and a bit of difficulty in locating websites that you haven’t bookmarked, or don’t have memorized. You can delete your history in Firefox on an iPhone but, if you want to be able to browse a website without your iPhone keeping those visited pages in your history, then you can elect to use the private browsing feature in Firefox instead.
Step 1: Open the Firefox browser.
Step 2: Tap the tab icon at the top-right corner of the screen.
Step 3: Tap the mask icon at the bottom-right corner of the screen.
Step 4: Touch the + icon at the bottom-left corner of the screen to open a new tab.
Step 5: You can close a private tab by tapping the x on the tab icon, or you can end the private browsing session by touching the mask icon at the bottom-right of the screen again.
The default Safari browser has most of these privacy options as well. For example, you can delete your history in Safari if necessary, although the method is a little different for that browser than it is for Firefox.