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You have a Lumia 535 so the chances of getting the call recording feature are slim. According to the latest news, only phones that shipped with Windows 10 Mobile preinstalled (so in other words; when you booted up the phone it started with a version of windows 10) will get that feature.
All other phones (those that came with windows 8 or 8.1) will probably not see this feature. It also depends on hardware according to Microsoft.
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