LG K51 Dark mode /night mode/ black theme -how to turn on

The default theme on the LG K51 is a light one with a white background. The white light can put a strain on eyes under low light conditions. Moreover, battery life can be almost doubled when using Dark Mode.

How to enable Dark Mode on LG K51

There are 3 types of Dark Mode on LG K51. They are Night Mode, Maximum Battery Saver Mode & High Contrast Screen. Let’s check them out one by one –

1. LG K51 Night Mode / Dark Mode

lg k51 dark mode

Open the Settings app on your K51 and click “Display” as shown above.

lg k51 night mode

Look for “Night mode” on the Display page and tap on it.

Use the “Toggle Switch” to turn on the “Night Mode”.

The LG K51 Dark Mode is enabled.


night mode lg k51

In K51 Night Mode, the home screen looks the same, except for the Google search bar as marked above.

how to enable dark mode on lg k51

The above screenshot shows the dark keyboard and the notification panel in Night Mode.

dark mode lg k51

The phone dialer and the messaging app also have a black background.


lg k51 dark theme

We can schedule the Night Mode/Dark Mode as per our daily routine.  You can either set it as per your sleeping schedule or keep it enabled from the sunset to sunrise.


lg k51 schedule night mode

The default night mode schedule is set from 10:00 PM to 6:00 AM.

On my K51, I wish to auto-enable the night mode at 12 AM.

lg k51 dark theme

I’ve scheduled the Night Mode to turn off at 8 AM every day.



2. LG K51 High Contrast Screen

The 2nd method to enable the dark mode is the High Contrast Screen.

lg k51 high contrast screen

Open Settings and scroll down to the bottom of the page.

Hit “Accessibility”.

how to turn on dark mode on lg k51

Open the first option on the Accessibility page i.e. “Vision”.

On the “Vision” page, tap “Hight contrast screen” to enable it.

lg k51 metropcs dark mode

As the name suggests, during this mode the screen contrast is increased & the background is turned black.

lg k51 black theme

You can see the home screen background is now pitch black. This was not the case in Night Mode.

3. LG K51 Maximum Battery Saver Mode

The 3rd and the most useful Dark Mode is the maximum battery saver mode. This mode can almost double your LG K51’s battery life.

lg k51 battery saver mode

Open the Settings app and click “Battery”.

lg k51 battery draining fast

Look for “Battery Saver” and select it to open.

There are 2 kinds of battery saver modes on K51 – Extended & Maximum.

The maximum mode is the Dark Mode.

Tap “Maximum” to enable it.


lg k51 battery life - how to maximise

When the Maximum battery saver mode is turned on –

  • Vibration, Wifi & Bluetooth is turned off.
  • Location services are disabled (when the screen is off).
  • Night mode is turned on.
  • Frame rate is reduced.
  • Background app activity & data activity is restricted.
  • Maximum brightness is reduced to 80%.

Tap “TURN ON” to enable the “Maximum Mode”.

lg k51 maximum battery saver mode

Tap “Edit mode” to make any changes to the Maximum Mode.

how to increase the battery life of lg k51

The Home Screen background is turned all black during the Maximum Mode.

lg k51 how to increase battery life

Same is the case with the Dialer & Texting app.

lg k51 battery saver is on

To turn off the Maximum Mode –

Pull down the notification bar and tap “Battery saver is on”.

This takes us to the “Battery Saver” page.

Hit “Off” to get back to the normal mode.


Which Dark Mode is your favorite? Share your views in the comment section below.


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