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I also use the Console 1.1.1 (by DigDug) add-on for simple debugging. Please note, I am using Firefox for Android 42.0.1.
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Like most things, this is much simpler to do than to explain. If you don't have a Notification Bar icon, just open Firefox. This will bring up Firefox with a new tab where you have to give your approval to install the extension.
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Using Root Explorer (even though I'm not rooted on this tablet) or Explorer, the free version (sorry, they won't let me put more than 2 links), long-press on the xpi file and choose Open With.If you're working with an existing addon from you PC, get the xpi onto your Android device (email it to yourself if you have no other method). To install extensions without involving a USB connection: I'm creating and installing simple Firefox extensions using nothing but my Android itself, instead of hooking it to (or programming on) my PC. You can create and install Firefox extensions locally on your Android device! But if no one minds, I'll leave my answer here, cause it's the only one that worked for me, and maybe others too. In Firefox viewing the install.html file you created, click on each link on the page, and you should see a prompt, "Firefox prevented this add-on from installing on your device." Just click "Allow", and it should install.ĮDIT: Apologies, I see you said that navigating to a URL did not work for you. Or, navigate to the file in your File Manager and open it in Firefox when prompted.file:///storage/sdcard0/MyXPIFiles/install.html Enter the path to this install file directly in Firefox, e.g.The solution for me was creating an installer HTML file in the same directory as the. I saw the three Firefox's, but none of them triggered to install the XPI. Neither ES File Explorer nor X-plore worked for me (as per Trasd's comment).
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