Lenovo has rolled out the Android Marshmallow i.e. Android 6.0 Updates early on their much popular K3 Note Smartphones.
After the installation of Android 6.0 on Lenovo K3 note shows error as " Unfortunately Process Com.android.phone stop working", Due to this error the USB tethering was not working on Lenovo K3 Note.
This problem is being solved after following the below mentioned solution. Follow the steps below :
As you get the error you would be having option to choose option either "Exit" or "Try To Solve"
Click on the option "Try To Solve". It will open the App Info Page. Choose the clear data option and reboot the phone.
Or If the error continue, follow another solution
Go to Setting-Apps- All Option
Choose Setting option and click on it
Clear the cache and restart the system