Samsung Galaxy S5 that hit the market a month ago is reported to receive an update soon. Leaked KitKat update schedule of Samsung have it mentioned that the manufacturer is set to roll out Android 4.4.3 for Galaxy S5 and Galaxy S4.
According to the source, Galaxy S5 Android 4.4.3 update will roll out at the end of this month and Galaxy S4 Android 4.4.3 update is set to roll out by July. The Leaked Kitkat update document  states that Android 4.4.3 build is in the final stages of testing for the LTE-A version of the Galaxy S4 with the Snapdragon 800 CPU, and that an update will be rolling out next month.
The devices poised to receive this rumored update are the Galaxy S5 (SM-G900F and SM-G900H) and Galaxy S4 LTE-A (GT-I9506). The updates are set to come in at firmware versions G900FXXUOBNE6 and G900HXXUOBNE3 for the G900F and G900H, respectively, while the S4 LTE-A is poised to receive firmware build I9506XXUQDNE4.
Update of KitKat 4.4.3  may be reported for only few devices, but the track report of Samsung may hint on the updates for the other devices as well.
via XDA
