To take screenshot on Lenovo K8 note you need to follow the steps below
1.Navigate the screen which you want to take a screenshot.
2. Press and hold the Volume + and Power button for few seconds to capture the screenshot as shown in the image below.
3. You can find your screenshot in the gallery of your phone.
You can check the complete details from the link :Lenovo K8 Note specs
As there is no theme center provided by Lenovo in their phones now so to change themes on Lenovo K8 Note you can simply use this app names Themes for Lenovo K8 Note.
Open the app and select and download the theme you want to apply to your phone.
Yes, it has 3.5mm Headphone Jack.Lenovo K8 Note
PRASANNA R RAMA MURTHY T K
Check the following steps to take screenshot
The screenshot is taken successfully and its saved into the gallery app. Its also in the notification bar.
You can check more details on this phone here
Open the contacts of your old device and export all the contacts to the SD card or the phone memory into a .vcf file. Transfer this vcf file in the K8 Note and just open it. All contacts will be transferred and copied into the K8 Note.