Hot answers tagged delete
On a rooted device, go to /data/system/netstats/ and delete all the 0files there. Reboot the device and the data history would be gone. Worked on Android 4.2.1 and 5.0.2, so should work on Kitkat as well. It clears both SIM data as well as of Wi-Fi. This would not reset the current cycle you would be having. I believe /data/system/notification_policy.xml ...
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