T-Mobile recently officially announced the LG Optimus L9, but decided to not announce when the device will be launching. But a leaked roadmap of T-Mobile’s obtained by TmoNews may have given us that detail as well, mentioning the release date of the device as October 31st.

The LG Optimus L9 sports a 1GHz dual-core TI OMAP 4430 processor, 1GB RAM, 4.5″ qHD IPS display, 5 megapixel camera, VGA front camera, 4GB of internal storage expandable via microSD, Wi-Fi 802.11 b/g/n,  21 Mbps HSPA, 4G LTE, Bluetooth 3.0, a 2150 mAh battery, and Android 4.0 Ice Cream Sandwich.

The launch date could vary from the one mentioned in the roadmap, and we’ll be sure to let you know the exact dates as well as pricing of the Optimus L9 on T-Mobile pending further info.