Android mobile all Call log and all messages disappeared - Solved

It was frustrating to have call log disappeared in my android mobile.

When i checked further my messages have disappeared.

Also I can see missed call in my android phone button but when i press the phone app to see the missed calls i could only see blank screen.

This was frustrating

After much research I found out my mobile has gone to Guest Mode some how..

To fix things back to normal again i did following:

setting->security-> and turn off "guest mode"

Viola ... everything works as normal now .. previously i have wasted resetting the phone to factory settings etc etc.. was too much frustrated ... 

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