After login, frontend page does not change,which old page still

I have turn off "Device caching" from backend setting, but after login, frontend page does not change,which old page still is displayed.
Why?
Anyone can help me?
Thank you very much!!!!!!!!!!!!!

@kwaninmacau,

Hello, please send us a screenshot of the issue and temporary admin login to ur email support​@​mobilejoomla.com so that we can further investigate the issue?

Best,

John Mark C.
Mobile Joomla! Support