1. Surveillance Camera

Use your old smartphone as a CCTV camera with motion detection. Yes! Your old phone could actually be used a motion sensing camera which will notify you of any burglary happening in your house via an Email or a SMS and will also act as an alarm to scare away the burglars. Apps like Salient Eye - Home Security and IP Webcam will surely help. These apps are really easy to use and also have a feature of "remote control" with which you could control your old smartphone via your primary device.

Download App - website

2. Remote Control

Many of you might be using your smartphone as a remote already but wouldn't it be amazing if your old smartphone could control your TV, DVD Player, Home Theatre, Air Conditioner, Projector, Set Top Box in fact any device which requires Infrared. Also if your old smartphone doesn't support Infrared, you could buy an IR Blaster which will cost not more than 2$ (Rs. 120)

Download App - website

3. Alarm Clock

Did you change your smartphone cause it started lagging? Was the RAM outdated? Well we still have a solution. Use your phone as an Alarm Clock! There are thousands of Alarm Apps including those where you have to solve a MATH riddle to stop or where you have to pay 50 cents every time you snooze. These Alarm clocks are really helpful since you can organize your time accordingly.

Download App - website

4. Scientific Calculator

Wouldn't it be amazing if Einstein would be in your pocket to answer all your queries? Well an App called Wolfram Alpha actually can solve any complex Mathematical or Statistical problem. Also this app provides you a Step-By-Step solution so that you can understand the solution more accurately. Install Wolfram Alpha on your old smartphone and voila! convert it into a scientific calculator.

Download App - website

5. MP3 Player

We always crib about how much storage music files takes up on our smartphones, but if you have an old phone that you've replaced, why not fill the old one with music and infinix handphone review make yourself a DIY iPod? The same goes for games or movies. When there's nothing else on your phone you can actually fit quite a lot of media on it. Also you could use this self made iPod in cars to enhance your music experience.

There are TONS of Music Players out there on the Play Store and the App Store and people do use their favorites therefore we won't suggest any specified app.

6. Offline GPS Navigator

Ever since Google launched Offline Navigation the use of Google Maps has increased considerably. You could use this feature in your old smartphone and use it as a GPS Navigator after downloading the Offline Maps for the area you wish to Navigate. You might need the latest version of the Google Maps so update your app before leaving. Also the OFFLINE feature is available only in selected countries so make sure that your country supports Offline Navigation or not.



7. E-Book reader

Want a distraction-free reading environment? Load up your old smartphone with only the apps you need for reading i.e. Google Play Books, Amazon Kindle, Pocket or whatever tickles your fancy - and keep it by your nightstand. You can also borrow books from your local library. Be sure to disable notifications from Gmail and any other native services, even switch it into airplane mode once you've downloaded the content you need and you've got the equivalent of a dedicated e-reader without all the usual phone or tablet temptations.

Download App - website








They are the most productive apps which are supported on any smartphone. One should not trash one's old smartphone. We should make productive use of old smartphone.