News.18.com. Android users also who do not have 4.0.3 operating systems or newer fall into the bracket of needing to update the app.Unfortunately, WhatsApp will stop working completely for people still using an iPhone 4 or older and some Android devices including the Motorola Droid Razr and the Samsung Galaxy S2.Anyone with an old phone and wants to continue using the app should look to upgrade their operating system to the latest software available.Android users can do this by visiting "Settings" and clicking on "About Phone".For those with iPhones, they can to go to "Settings", choose "General" then "About" to check whether they are using the newest software.WhatsApp might, on the other hand, give many people a convenient excuse to get a.
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