Software versions & updates: LG Optimus T

Learn how to check the software version and see official versions for the [make model]. Find out more on this page:


Beginning June 21, the Optimus T receives a a software update to LG-P509-V10s. This update provides features and improvements:


Software version

Software update: Automatic (OTA)

Software update: Download



Software version

Check the software version

To check the current software version, follow these steps:


  1. From the Home screen, press the Menu key.
  2. Tap Settings.
  3. Tap About phone.
  4. The software version is displayed under Software version.
  5. Read the version on the phone, and check it below:


Software versionStatus


Your software is up to date. There are no updates available.


This document will be updated if and when new software is available.



Your phone can update to software version LG-P509-V10s:

If the update fails, see: Software update troubleshooting.

Other versions

Your phone has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software.


See: Rooted device identification and support.



Requirements to update

To be able to update to the current software version, the below requirements must be met:

  • Desktop or laptop PC running Windows XP, Vista, or Windows 7
    • 1GHz or higher Pentium-compatible processor
    • At least 256 MB of RAM (memory)
    • Administration rights on the PC for software installation
    • High-speed Internet connection
  • An available USB port
  • All firewall and antivirus programs should be disabled


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Software update: Automatic (OTA)

Update automatically Over-The-Air (OTA)


After receiving the OTA notification, follow these steps:


We're sorry, but this feature is not available for this device.



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Software update: Download

Download and install software update

You can download and install the software update:

From a computer



Update software from the phone

To check for updates and download the update from the LG servers, follow these steps:


We're sorry, but this feature is not available for this device.



Update software from a computer

To download updates for your phone and install them using a computer, follow these steps:


Update the driver


In order to connect your phone to your PC, you must download and install the latest driver below to your PC.


  1. Open a web browser and visit
  2. Click the LGP509 Drivers link and download the file to the Desktop.
  3. Open the LGP509TN folder.
  4. Double-click the LGUnitedMob... file.
  5. Click Extract All and follow the extraction prompts.
  6. A new folder will open.
  7. Double-click the LGUnitedMobileDriver_5498M... file and follow the prompts.

Install the LG Mobile Support Tool

  1. Confirm preparation has been completed.
  2. Confirm the driver has been installed.
  3. Open a web browser and visit
  4. Click the LG Mobile Support Tool link.
  5. Follow the prompts by clicking Start Updating.



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