Smith recorded 11 tackles (seven solo), one pass defended and a forced fumble in Sunday's 30-24 overtime loss against Kansas City.
Smith had three tackles and two interceptions in Sunday's 27-23 loss to the Cowboys in Week 14.
Smith returned one punt for 15 yards, one kickoff for 25 yards, and one interception for 12 yards in Saturday's 17-13 preseason win over New Orleans.
Smith had one carry for seven yards in Sunday's 41-29 win over the Chargers.
Smith had a 98-yard kickoff return for a touchdown in Sunday's 30-16 win over the Jaguars. He finished with 121 return yards on two kicks.
Smith signed a one-year, $1.6 million extension with the Texans on Friday, Brooks Kubena of the Houston Chronicle reports.
Smith's signing a one-year contract worth up to $1.13 million with the Texans, Aaron Wilson of the Houston Chronicle reports.
Smith was elevated to the Colts' active roster Tuesday.
Smith signed a contract with Indianapolis on Sunday.
Smith was waived by the Eagles on Sunday, Eliot Shorr-Parks of Sports Radio 94 WIP Philadelphia reports.