Hi, I'm Sadique. Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP.
Could you please provide me the model number of your unit?
Thanks for the information.
I will give you a printable manual which will help you in understanding how your Lenovo flex 3 works.
Please click this link to access the manual: https://download.lenovo.com/consumer/mobiles_pub/lenovo_flex_3_1120_flex_3_1130_ug_en_201503.pdf
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