To enable or disable the network speed indicator on a Lenovo K4 Note, you can follow these steps:
Swipe down from the top of the screen to open the notification panel.
On the notification panel, locate and tap the gear-shaped "Settings" icon to open the Settings menu.
In the Settings menu, scroll down and tap on the "Display" option.
Look for the "Status bar" or "Notification panel" option and tap on it.
In the status bar/notification panel settings, you should see an option related to the network speed indicator. It may be labeled as "Network speed" or "Show network speed" or something similar. Tap on this option.
You should see a list of options for the network speed indicator. Choose the desired setting, such as "Always show", "Show on status bar only", or "Don't show".
Once you have made your selection, go back to the home screen or exit the Settings menu.
The network speed indicator should now be enabled or disabled based on your chosen setting. Please note that the specific location of these settings may vary slightly depending on the version of Android or the custom user interface installed on your Lenovo K4 Note.