Use this page to identify software versions for the LG Optimus L90 as well as details on recent software updates.

Identify the device's current software version

Android version 5.0.2 / Software version D45120f

From the Home screen, tap the Menu key. Tap System settings. Tap the 'GENERAL' tab Scroll down to 'SYSTEM,' and then tap About phone. Tap Software information.

Android version 5.0.2 / Software version D41520c

From the Home screen, tap the Menu key. Tap System settings. Tap the 'GENERAL' tab Scroll down to 'SYSTEM,' and then tap About phone. Tap Software information.

Review software version details

VERSION RELEASE DATE ENHANCEMENTS STATUS Android 5.0.2 Buid number D41520f January 23, 2017 Google monthly security update Minor bug fixes and security enhancements Available January 23, 2017 Android version 5.0.2 Build number D41520c October 6, 2015 Messaging security improvements (Stagefright) Available October 6, 2015 If customers' devices meet the update requirements below, they can upgrade to the most current software version. Android version 5.0.2 Build number D41520b April 28, 2015 Android 5.0 Lollipop Available April 28, 2015 If customers' devices meet the update requirements below, they can upgrade to the most current software version. Android version 4.4.2 Build number D41510e November 17, 2014 Wi-Fi Calling enhancements Security enhancements T-Mobile Free Inflight Texting support added November 17, 2014 If customers' devices meet the update requirements below, they can upgrade to the most current software version. Android version 4.4.2 Build number D41510c April 14, 2014 Original Software Available April 14, 2014 If customers' devices meet the update requirements below, they can upgrade to the most current software version.

Determine update requirements

Customers' devices must meet the following requirements to update their software to the most current version:

50% or higher battery life

Wi-Fi or Cellular data connection

Available memory (File size of update: 66.0 MB)

Update software versions

Update automatically over the air (OTA) for D45120f

From the OTA notification prompt, tap NEXT. Wait while your device updates to the latest software. Your device will automatically restart when the update is complete

Update from a computer

Fully charge the battery.

Save any important data before updating the software on your device. Any data not saved on a micro SD card or PC may be erased (contacts, images, etc.)

Remove the micro SD memory card.

Close all open applications on your computer before proceeding with the update.

Ensure device "Mass storage only" mode is NOT selected.

Install device drivers

In order to connect your phone to your PC, you must download and install the latest driver to your PC. Download the device driver from http://www.lg.com/us/mobile-phones/TMUS_Update. After the driver has been installed, restart the computer. Install LG Mobile Support Tool. In order to update the software on your phone, you must download and install the LG Mobile Support Tool to your PC. Download the LG Mobile Support Tool from http://www.lg.com/us/mobile-phones/TMUS_Update.Connect Device and Start Update