Hey there! It sounds like you're having trouble with setting the Last Tab as your starting tab in Firefox for iOS. I understand how frustrating this can be. When you choose Last Tab as your starting tab, it should ideally open the tab you were on when you last closed the browser. If it's opening the first tab instead, it might be a glitch. To fix this, let's try a couple of things. First, make sure you have the latest version of Firefox installed from the App Store. If that doesn't work, you can try going to Settings > Clear Private Data and select "Tabs and Sessions". This will clear your tab history, so please make sure you have any important tabs bookmarked. Then, set your starting tab to something other than Last Tab, like a specific website. Give it a shot and see if that resolves the issue. If not, don't worry, we're here to help.