Until April 2014: “Forward thinking”

September 20, 2013
United StatesUnited KingdomCanadaChinaFranceGermanyIndiaAustraliaJapanHong KongSingaporePakistan

October 25, 2013
AustriaBelgiumBulgariaCroatiaCzech RepublicDenmarkEstoniaFinlandFrench West IndiesGreeceHungaryIrelandItalyLatviaLiechtensteinLithuaniaLuxembourgMacauMaltaNetherlandsNew ZealandNorwayPolandPortugalReunion IslandRomaniaRussiaSlovakiaSloveniaSouth KoreaSpainSwedenSwitzerlandSouth AfricaThailand

November 1, 2013
AlbaniaArmeniaBahrainBangladeshColombiaEl SalvadorGuamGuatemalaIndiaMacedoniaMalaysiaMexicoMoldovaMontenegroSaudi ArabiaTurkey

November 15, 2013
Philippines[2]South AfricaVietnam

All models
UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz), GSM/EDGE (850, 900, 1800, 1900 MHz), Wi-Fi (802.11 a/b/g/n) (802.11n: 2.4 and 5 GHz), Bluetooth 4.0, GPS & GLONASS.

GSM model (A1533)
LTE (Bands 1, 2, 3, 4, 5, 8, 13, 17, 19, 20, 25: 2100, 1900, 1800, AWS, 850, 900, 700c, 700b, 800 MHz, 800 DD).

CDMA model (A1533)
UMTS/HSPA+/DC-HSDPA (1700/2100 MHz), CDMA EV-DO Rev. A and Rev. B (800, 1700/2100, 1900, 2100 MHz), (except China model:)LTE (Bands 1, 2, 3, 4, 5, 8, 13, 17, 19, 20, 25: 2100, 1900, 1800, AWS, 850, 900, 700c, 700b, 800 MHz, 800 DD).

CDMA model (A1453)
UMTS/HSPA+/DC-HSDPA (1700/2100 MHz), CDMA EV-DO Rev. A and Rev. B (800, 1700/2100, 1900, 2100 MHz), LTE (Bands 1, 2, 3, 4, 5, 8, 13, 17, 18, 19, 20, 25, 26: 2100, 1900, 1800, AWS, 850, 900, 700c, 700b, 800 MHz, 800 DD).

GSM model (A1457)
LTE (Bands 1, 2, 3, 5, 7, 8, 20: 2100, 1900, 1800, 850, 2600, 900 MHz, 800 DD).

GSM model (A1518)
TDD-LTE, TD-SCDMA[11]

GSM model (A1528)
LTE (unofficial)

GSM model (A1530)
LTE (Bands 1, 2, 3, 5, 7, 8, 20, 38, 39, 40: 2100, 1900, 1800, 850, 2600, 900 MHz, 800 DD, TD 2600, 1900, 2300), (with software operator version China Mobile 15.6 or above:) TD-SCDMA