LG Harmony 4 LM-K400AM LMK400AM4AAIOTN User Guide

LG Harmony 4 LM-K400AM LMK400AM4AAIOTN Phone manual cover
Pages 166
Year 2020
Language(s)
English en

LG Harmony 4 LM-K400AM LMK400AM4AAIOTN Phone Specification

The LG Harmony 4 LM-K400AM, also known as LMK400AM4AAIOTN, is a smartphone designed to offer a seamless balance between functionality and affordability. It features a 6.1-inch HD+ FullVision display with a resolution of 1560 x 720 pixels, providing vibrant visuals and an immersive viewing experience. The device is powered by an octa-core processor, ensuring efficient performance for everyday tasks and multitasking. It comes with 3GB of RAM and 32GB of internal storage, expandable via microSD card up to 2TB, allowing ample space for apps, photos, and media files.

The LG Harmony 4 is equipped with a dual rear camera system consisting of a 13MP primary sensor and a 5MP wide-angle lens, offering versatility in photography with features like portrait mode and AI scene recognition. The front-facing camera is an 8MP shooter, ideal for selfies and video calls. The device runs on Android 10, providing an intuitive user interface and access to the latest apps and services from Google.

For connectivity, the Harmony 4 supports 4G LTE networks, Wi-Fi, Bluetooth 5.0, and GPS, ensuring robust communication options. The phone includes a fingerprint sensor for enhanced security and a 3,500mAh non-removable battery, which delivers reliable power throughout the day with standard usage. The device also comes with a USB Type-C port for charging and data transfer, reflecting modern connectivity standards. Overall, the LG Harmony 4 LM-K400AM offers a well-rounded package for users seeking a dependable and feature-rich smartphone experience without breaking the bank.

LG Harmony 4 LM-K400AM LMK400AM4AAIOTN Phone F.A.Q.

How do I perform a factory reset on my LG Harmony 4?

To perform a factory reset on your LG Harmony 4, go to Settings > System > Reset > Factory Data Reset. Confirm by selecting 'Erase Everything'. Ensure to back up your data before proceeding.

What should I do if my LG Harmony 4 won't charge?

First, check the charging cable and adapter for any damage. Try using a different charger. Clean the charging port gently with a dry brush to remove any dust or debris. If the problem persists, contact LG support.

How can I free up storage space on my LG Harmony 4?

To free up storage, go to Settings > Storage. From there, you can clear cache, delete unwanted apps, and move files to an external microSD card if available.

How do I take a screenshot on my LG Harmony 4?

To take a screenshot, press and hold the Volume Down and Power buttons simultaneously until you see the screen capture. The screenshot will be saved in the gallery.

What can I do if my LG Harmony 4 is running slowly?

To improve performance, try restarting your device, closing unnecessary apps, and clearing cache from the Settings menu. You may also perform a system update if available.

How can I extend the battery life of my LG Harmony 4?

To extend battery life, reduce screen brightness, limit background app activity, and turn off connectivity features like Bluetooth and GPS when not in use.

How do I update the software on my LG Harmony 4?

To update software, go to Settings > System > Update Center > Software Update. Follow the on-screen instructions to download and install any available updates.

How do I enable Wi-Fi calling on my LG Harmony 4?

To enable Wi-Fi calling, go to Settings > Network & Internet > Wi-Fi Calling. Toggle the switch to 'On' and follow the prompts to complete the setup.

Why is my LG Harmony 4 overheating and how can I fix it?

Overheating can occur due to prolonged use or running intensive apps. Allow the phone to cool down, close unused apps, and avoid using it while charging. If the issue persists, have it checked by a technician.

How can I secure my LG Harmony 4 with a lock screen?

To set up a lock screen, go to Settings > Security > Screen Lock. Choose your preferred method (Pattern, PIN, Password) and follow the instructions to set it up.