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Download Firefox OS Simulator as a Firefox Browser Extension


Firefox OS is an open source operating system for mobile phones and tablet PCs developed by Mozilla Foundation. You may have already read some news about this brand-new product: free, HTML5-based and fully customization. It might become a strong rival of the current leading operating systems. Before actually seeing a Firefox OS-based phone in the market, do you want to experience it in advance? Congratulations! Now you get a chance to Download Firefox OS Simulator as an extension directly in your Firefox browser.

Firefox OS homepage

With Firefox OS simulator:

  • Normal users can decide whether they will buy Firefox OS-based devices or not.
  • Developers can grasp a deeper comprehension of it and test web apps in an easier way.

Download Firefox OS Simulator

First, launch your Firefox, access the extension page and click ‘Add to Firefox’. This is an interesting program made by Myk Melez.

Download extension

As the size of this extension (64.9MB) is much bigger than ordinary ones, please make sure you have a stable Internet connection.

A jigsaw puzzle-like icon will shows on the left top of your browser. Click it to see the download progress.

Jigsaw puzzle-like icon

When the download is finished, a small window will appear to confirm your install request. Click ‘Install Now’ and wait for the installation complete. It does not require a restart.

Installing extension

A new tab called ‘Simulator Dashboard – Firefox OS’ will be created automatically. Its consists three main buttons/areas:

  • Switch – open the simulator.
  • Add Directory/URL – test your own webpage/manifest.web app.
  • Help – a short description and guide to use the simulator.



Now, click the switch ‘Stopped’ to open the simulator. It will turn into  ‘Running’ mode and you will see a phone-sized window as follow:

'Running' button → Simulator window1 → Simulator window2 → 6-5Simulator window3

You are free to try this simulator as a real phone: unlock it, change settings, roll the screen or launch an app by mouse. The ‘screen’ of this simulator will also sleep. That’s why you need to know the hot keys:

  • Home button – Windows Home key or Mac Fn + Left Arrow
  • Power button – Windows End key or Mac Fn + Right Arrow
  • Volume Up/Down buttons – Windows Page Up/Page Down keys or Mac Fn + Up Arrow/Down Arrow

You can also click the small home button at the bottom of the simulator to wake it up.

Main Features

The simulator was already installed a mobile version of Firefox browser and a series of essential apps like camera, gallery, FM, calendar, clock, maps based on Nokia Here, a few boring games, some dev tools and many quick links of web app (though you can not actually use some of them due to hardware limitation, e.g., camera).

Main sreen Quick links Apps1 Apps2 Games & Dev tools

The most important one among them is the Marketplace where you can download apps without an account.

Marketplace1 Marketplace2

Adding Web Apps

Go back to the dashboard, type or paste your link and click ‘Add URL’. The simulator will be turned on itself. Go to last screen and your app is done!

Adding URL Web app

This is only a basic trick. For more information developing and publishing apps, please visit Firefox Marketplace Developer Hub. If you are a professional, then you need not any guide at all.

Download Firefox OS simulator for Firefox browser on

Requirements: Firefox 16 or above. The extension works well on Firefox 18 and 20 (Aurora).

* Paste the link ‘resource://r2d2b2g-at-mozilla-dot-org/r2d2b2g/data/content/index.html‘ in your address bar and press ‘Enter‘ when you closed the Dashboard tab and have no way to reopen it.

If you find any bug in this Firefox OS simulator, please do not forget to submit it to the simulator’s issue tracker.

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Desktop Tools

Smallest Antivirus to Automatically Remove Autorun.inf Virus from USB Flash Drives

Autorun.inf is not very harmful but still the most annoying virus of all which travels through flash drives. There’s a nifty tool designed specifically for this purpose – to remove Autorun.inf Virus from USB drive!

This virus automatically executes itself as soon as the infected flash drive is inserted into a system. When user double clicks the infected drive, autorun.inf with associated (hidden) .bat files infects all the partition of the system and autorun.inf is copied to all the drives.

Although this can be prevented through standard antivirus software but there’s a dedicated antivirus made specially to remove autorun viruses called Autorun Virus Remover.

Remove Autorun.inf Virus

Remove Autorun.inf Virus

Autorun Virus Remover provides protection against any malicious programs trying to attack via USB drive. When a USB device is inserted into your computer, Autorun Virus Remover will automatically scan it, block and delete autorun virus, trojans, and malicious code. Also, it can detect and remove USB virus such as autorun.inf virus in your computer.

Remove Autorun.inf Virus with Autorun Virus Remover can also remove the autorun virus due to which you can’t open your hard disk and USB drive (Pen drive, Memory card) by double clicking. Autorun Virus Remover USB antivirus software to permanently protect offline computer against any USB virus without the need for signature updates. This light and easy to use solution is compatible with all version of Windows and doesn’t slow down your computer at all.

Download Autorun Virus Remover

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Desktop Tools

Snappy: All in One Driver Installer For All Your System Drivers


Snappy system driver installer is a freeware for Windows which is an All in One Driver Installer and can be used as a complete solution to install all types of drivers on your system. There are two main sources which are supported by the program namely driver packs and local folders. The program is capable enough to pick the drivers automatically from the folder where you kept them and bring it to use at any given time.


The computers who have a weak or unreliable internet connection can avail the services of this program as it can install all the drivers without it. To start installing drivers on your computer, go to the updates option which can be found on the top and download the index file by checking on the option ‘Check only needed for this PC’ and then click on accept. This index file will add all the relevant information to the software. The program then works by checking for all the missing drivers and updates for the already-installed programs on the system.

You are also free to download all the driver packs, however, which is not recommended by the experts. You only need to do this if you need to create a completely portable version of a particular program on the computer which, by default, includes all the drivers. There is one thing to note that you will have to download nearly 9 GB of data in that case.


As soon as you are done downloading, the main interface of the program will show the updated driver information afterward. You can also enable the expert mode present on your left where you will be able to use filters to customize the selected option. You are also free to disable the updates which you think are, in no way, better than the ones already installed.

Before selecting the drivers which need to be updated, hover on each device to get information about each device’s already installed driver and the update the program wants to install. The information may consist of the update’s version, device’s manufacturer’s name, hardware IDs, etc. It is quite beneficial to give some time to these facts as there may be some updates which are not suitable for the device or are falsely identified. Once you are done with all these important steps, the Snappy Driver Installer will start downloading the selected driver updates for your system, installing afterward.

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Desktop Tools

Easiest Way to Recover Deleted Photos and Text Messages From Phone For FREE

Recover deleted photos from phone

Recover deleted photos from phone easily with the world’s number one android file recovery software named Wondershare Dr.Fone. It is a tool which is used worldwide for recovering files and data from android tablets and phones. The tool is capable of retrieving audio files, Whatsapp messages, videos, call history, contacts, photos, text messages and a lot more that you lost accidentally or due to the ROM flashing or OS crash. The tool supports about 200 android devices and many android versions.

Recover deleted photos from phone


How To Recover Deleted Photos From Phone And Other Data

Dr. Fone is very beneficial in recovering files on android devices and can retrieve deleted text messages too. However, if the tool is not dealt properly, the software will not be able to recover all the files properly. Before beginning the process of recovery, the following tips should be considered to increase the success rate positively.

  • First of all, if you find out that some of the files have gone missing on the phone or a list of data is deleted accidentally from the phone, stop using the device instantly. In android or other OS, the data is actually not blown away but is kept in the phone to be rewritten by some other files. For this particular reason, if the device is kept working on, that data gets overwritten by the recent changes in the phone and ultimately, disappears forever.
  • Secondly, look for a computer as soon as possible and start the process of recovery. Don’t forget, the sooner it is, the better it is. Download the recovery software by Wondershare i.e. Dr. Fone for android. For further information, follow the following downloading process.

How To Download

There are more than one way to download Wondershare on your phone. You can either go to the product page to find the app link or simply click the download option on the top of the page to get Dr.Fone on your phone. Once downloaded, your phone will offer an installation package. The download button is also featured in the bottom of the page.

How To Install

Once you have downloaded, search for the installation package on your system. Double tap on the .exe file to run the setup and click on the install option to start the recovery process. The installation process will take approximately a few minutes. Once there, the Start Now option should be clicked to launch the software.

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