LG has found success with a handful of LTE and 3G smartphones that have propelled shipments to record heights. The company announced on Wednesday that Android smartphones such as the Optimus G, Optimus G Pro, Optimus L Series and Nexus 4 have helped shipments climb to a record 10.3 million units in the first quarter of 2013. LG said more extensive availability of newer devices is expected to help smartphone sales and shipments increase further in the second quarter. The company is scheduled to announce the U.S. launch of its flagship Optimus G Pro smartphone on May 3rd. The handset has thus far been a hit, surpassing half a million units sold in South Korea in just 40 days.