Titan Gray


  • 6.1" HD+ FullVision™, Narrow Notch Display
  • Dual Rear Cameras: 13MP PDAF Standard Angle / 5MP Super Wide
  • 3,500 mAh Battery
  • 8MP Front Selfie Camera
LG Xpression® Plus 3 | AT&T


    • Screen Resolution
    • 1560 x 720 pixels
    • Battery Capacity
    • 3,500 mAh (non-removable)
    • Rear Camera Resolution
    • 13 MP + 5 MP Super Wide-Angle Lens
    • Front Camera Resolution
    • 8 MP
    • Processor
    • 2.0GHz Octa-Core
    • Memory
    • 2 GB RAM
    • Storage
    • 32 GB (up to 18.35 GB usable)*
    • Carrier
    • AT&T
    • *
    • Usable memory varies depending on software versions and settings; at most 18.35 GB for LG Xpression® Plus 3.


    • Platform
    • Android™ 10
    • Processor
    • 2.0GHz Octa-Core
    • Battery Capacity
    • 3,500 mAh (non-removable)
    • Talk Time
    • Up to 12 hours*
    • Charging
    • USB Type C
    • Standby Time
    • Up to 14 Days*
    • RAM
    • 2 GB
    • UPC
    • 652810835541
    • *
    • Actual battery time may vary depending on network connectivity and application use.

What people are saying

Rated 4 out of 5 by from Excellent budget phone As a person that goes through a lot of phones because of various reasons I have had a lot of budget phones that really seemed ...well budget. The LG K400 feels and acts like an upper tier phone. Also I play alot of games and the graphics and speed are exceptional in this phone. Massive expandable storage etc. are not things I have come to expect in a budget phone . I had a k40 ( expression plus 2) and loved it so I decided to try the 3 and so far it has not let me down and is quickly becoming my favorite budget LG . Keep up the good work LG those of us that buy budget phones are glad at least one company values the consumer that makes an average living and provides us with a quality product
Date published: 2021-03-17
Rated 5 out of 5 by from Sleek Very nice phone. I love how nice LG allows me to be able to create a very sleek and awesome looking theme. Great price with such wonderful features.
Date published: 2021-03-16
Rated 2 out of 5 by from Major Flaw For Me I bought this phone on 10/08/20 to replace my 3 year old LG Phoenix 3 which was having issues. This phone has a major flaw. It does not notify me when I get a text message, email, missed call, etc. No sound, no Icon, no blink LED when I receive the above mentioned things. I have to check the phone constantly to see if I have received anything by opening the apps...frustrating! The LG Harmony 4 has the same problem. These two phones are the same just used by different carriers. The reviews on the Harmony say there is not a fix for this problem. I never had a problem with my Phoenix except for poor carrier signal and it was a much cheaper phone! I bought this phone to get a better signal and it does. The rest of the features and tons of apps, I don't need...just want notifications. Is there a fix for this LG?
Date published: 2020-10-27
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Ask your questions. Share your answers.
Please review the detailed product information and help guides in the
Product Support section for this product prior to posting a question.

Does this phone not notify you of a missed call, text or etc

Asked by: ken knies
If there is a missed call, the status bar at the top of the screen on the LG Xpression® Plus 3 | AT&T, Model # LMK400AKR displays an icon of a black phone with a right angled arrow pointing to the left.To view missed call details, drag the status bar downwards. You can also tap the green phone icon on the home screen and tap Call logs...^IFV
Answered by: Ivanf
Date published: 2021-09-29

Is this phone better than the core?

Asked by: Redman1951
Regrettably, we are not familiar with the "core" and will need some clarification about it....^IFV
Answered by: Ivanf
Date published: 2021-01-28

so how do i get my text messages to pop up in my notifications? sometimes i get them and sometimes i dont even know i have a text till i go to my messages

Asked by: ash19
Tap 'Notifications' on the settings screen for the LG Xpression® Plus 3 | AT&T, Model # LMK400AKRAAG4TNH then customize the settings as desired...^IFV
Answered by: Ivanf
Date published: 2021-08-19

What is it called in the LG K series

Asked by: Flip tip pip
The LG Xpression® Plus 3 | AT&T, Model # LMK400AKRAAG4TNH is not a "K" series phone...^IFV
Answered by: Ivanf
Date published: 2020-11-06
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