Unable to enable restrict background data in data-sense in windows phone 8.1 lumia 720

[Windows Central Question]

Once disabled, Unable to enable restrict background data in data-sense in windows phone 8.1 lumia 720. Please help at the earliest as I've started getting out of memory error pop-up while on browser/apps and getting closed.

Regards,
Arjun

 

[RumoredNow]

Try a Soft Reset. Hold the Volume Down + Power buttons until the phone vibrates and reboots (about 10 seconds).

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