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I am trying to update my website which uses SiteBuilder and I am on my ipad on Firefox for iOS and this is the message I got: You are using a non-supported bro

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You are using a non-supported browser.

Please use current version of one of the supported browsers: Internet Explorer or Firefox.

You are using a non-supported browser. Please use current version of one of the supported browsers: Internet Explorer or Firefox.

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Whoops, your question duplicated. Let's continue here: https://support.mozilla.org/questions/1226311