Download and Install H87120c Android 8.0 Oreo on AT&T LG G6

Download and Install H87120c Android 8.0 Oreo on AT&T LG G6

AT&T finally started distributing Android 8.0 Oreo for their LG G6 devices. After Verizon and Canada Carrier, AT&T started rolling the Android 8.0 Oreo update for AT&T LG G6. The update on the LG G6 features the latest security patch which means you will get the April 2018 Security patch update along with Android 8.0 Oreo. The new update bumps the software version to H87120c with build number OPR1.170623.032.

Talking about the specs, LG G6 features a 5.7-inches display with a screen resolution of 1440 x 2880 pixels with Corning Gorilla Glass 3 protection. The smartphone is powered by Quad-core (2×2.35 GHz Kryo & 2×1.6 GHz Kryo) and Qualcomm MSM8996 Snapdragon 821 coupled with 4GB of RAM. The phone packs 32/64/128GB internal memory which can also be expanded up to 256GB via microSD card. The camera on the LG G6 comes with Dual 13MP (f/1.8, OIS, 3-axis, phase detection AF) + 13 MP (f/2.4, no AF), dual-LED flash and 5MP front shooting camera.

Download and Install H87120c Android 8.0 Oreo on AT&T LG G6

The update is currently rolling via OTA (Over the air) to users. The rollout is in a phase-wise manner, it may take a couple of days or weeks to receive the update notification on your phone. If you are not patient, then you can upgrade AT&T LG G6 to Android 8.0 Oreo with software version H87120c manually.

Before diving into how to check software update, let’s recap the Android 8.0 Features,

What’s on Android 8.1 Oreo?

Android 8.0 Oreo is the latest released sweet from Google. It is the latest iteration of Android OS after the release of Android 7.0 Nougat. Android Oreo comes with features such as New app notifications, notification dots on app icons, picture-in-picture mode, Android Instant App compatibility, Auto-fill (like on Chrome), Better copy and paste, Faster Android behind the scenes, Better battery life with more advanced Doze mode, and more.

[su_note note_color=”#f8f4db”]


New features for Android Oreo:

  • Notifications Channels
  • Picture In A Picture
  • Multi-Display Support
  • Keyboard Navigation
  • Background Limits
  • New Wi-Fi Features
  • Better Icons
  • Autofill

Firmware Details:

  • Release date: June 6, 2018
  • Android version: 8.0
  • Security patch level (SPL): April 1, 2018
  • Baseband version: MPSS.TH.2.0.1.c3.1-00024-M8996FAAAANAZM-1.142344.1.143233.1
  • Build number: OPR1.170623.032
  • Software version: H87120c
  • File size: 1.94GB

  • What’s new: Android 8.0 Oreo
  • What’s changing: Android device security updates

Before that, we request you to check for the software update manually. Below we have given the complete instructions on how to check software update manually on your device.

How to Update AT&T LG G6 to H87120c – v20c [LG-H871]

If you have the OTA update on your phone, then we do recommend you to install the January 2018 security patch update to keep your phone safe from vulnerabilities. Well if you have no update, then please check the OTA update manually by following the guide.

How to check OTA update on AT&T LG G6:

Go to settings—> about phone —> system update


If you have the update notification on your AT&T LG G6 phone, then hit the DOWNLOAD button to start upgrading your phone to latest software version H87120c.

Before proceeding, please make sure your phone has enough charge of at least 50%, take a full backup before upgrading or downgrading your phone. To download the OTA file, you should be on a stable WiFi connection to enjoy uninterrupted software download.

Once if you have all this, you can proceed with upgrading AT&T LG G6 to H87120c.

In case if you have received the download link to the firmware H87120c, then you can simply follow our guide to installing the software KDZ file manually.

Download Firmware Here

Firmware link not rolled yet! Come back later.

Please note, before following manual setup, you should read the pre-requisites carefully.

Guide to Install The LG KDZ Firmware

Source: AT&T

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