Clearing ram on a xperia v?

[blue-eye-boy]

My wifes' s3mini has a feature to clear ram, by closing backround running apps etc. How can I do it on the xperia v?

 

[Wasabee!]

Either upgrade or download an app for it (usually included with task manager apps).

 

[upup]

try one touch optimise

 

[blue-eye-boy]

Either upgrade or download an app for it (usually included with task manager apps).

Upgrade? This was my phone upgrade.