The French carrier SFR has released a roadmap listing the upcoming Android 4.3 updates for the Samsung Galaxy S4, Galaxy S III and Galaxy Note II, as well as the HTC One. Samsung's Galaxy S4 will receive the latest 4.3 Jelly Bean treatment in October, while last year's flagship - the Galaxy S III and Galaxy Note II will get their fix in November or December. HTC One is also in this table, revealing that the SFR-locked units will start getting the update in October, just a month after unlocked units got their Android 4.3.
Finally, Nokia Lumia 520 is also mentioned in the roadmap.
GSM Arena , SFR reveals Android 4.3 schedule for Galaxy S4, S III and Note II, SFR reveals Android 4.3 schedule for Galaxy S4, S III and Note II