Likebook Mars lagging
My Likebook Mars has been lagging recently. When I tried factory reset, it was still lagging terribly at the setting up device stage and some time after that. Then it came back to normal. After I install some apps (not many really) in the built-in App Store and also Google Play Store, it lagged again. I tried to factory reset again but the story was the same. It sometime is lagging and sometime is back to normal.
Does anyone know how to fix this or how to find the reasons of this kind of lagging?
Thanks advance for your help.
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