NETWORK Technology 

GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 38, 39, 40, 41, 66
Speed HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat15 800/75 Mbps
LAUNCH Announced 2017, August
Status Available. Released 2017, October

Compatible with:
1* Retail Box
1*  Sony Xperia XZ1 Compact
1* Headphones
1* Charger(Plug type as your location, or please tell which plug you need)
1* Cable
1* Manual

Carrier and Activation
This Phone is factory Unlocked for GSM Networks. Works with: Vodafone,America Movil,Telefonica,Orange,Telenor,AT&T, Metro PCS, Simple Mobile, Straight-Talk Rogers, H20, Net10, Fido and all other  Worldwide GSM carrier and networks.
This phone will NOT work with CDMA carriers such as Verizon, Pageplus and Sprint.
Don't support T-Mobile  in the USA

SO-02K is Japan version,no NFC
G8441 is global version, it supports NFC
NETWORK
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 38, 39, 40, 41, 66
SpeedHSPA 42.2/5.76 Mbps, LTE (4CA) Cat15 800/75 Mbps
LAUNCH
Announced2017, August
StatusAvailable. Released 2017, October
BODY
Dimensions129 x 65 x 9.3 mm (5.08 x 2.56 x 0.37 in)
Weight140 g (4.94 oz)
BuildGlass front (Gorilla Glass 4), plastic back, plastic frame
SIMNano-SIM
 IP68 dust/water resistant (up to 1.5m for 30 min)
DISPLAY
TypeIPS LCD
Size4.6 inches, 58.3 cm2(~69.6% screen-to-body ratio)
Resolution720 x 1280 pixels, 16:9 ratio (~319 ppi density)
ProtectionCorning Gorilla Glass 5
 Triluminos display
X-Reality Engine
PLATFORM
OSAndroid 8.0 (Oreo), upgradable to Android 9.0 (Pie)
ChipsetQualcomm MSM8998 Snapdragon 835 (10 nm)
CPUOcta-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
GPUAdreno 540
MEMORY
Card slotmicroSDXC (dedicated slot)
Internal32GB 4GB RAM
 UFS 2.0
MAIN CAMERA
Single19 MP, f/2.0, 25mm (wide), 1/2.3", 1.22碌m, predictive PDAF
FeaturesLaser AF, LED flash, panorama, HDR
Video4K@30fps, 1080p@60fps, 1080p@30fps (gyro-EIS), 720p@960fps
SELFIE CAMERA
Single8 MP, f/2.4, 18mm, 1/4.0"
Video1080p@30fps (gyro-EIS)
SOUND
LoudspeakerYes, with stereo speakers
3.5mm jackYes
 24-bit/192kHz audio
COMMS
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth5.0, A2DP, aptX HD, LE
PositioningGPS, GLONASS, BDS, GALILEO
NFCYes
RadioNo
USBUSB Type-C 2.0, OTG
FEATURES
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, barometer, compass, color spectrum
BATTERY
TypeLi-Ion 2700 mAh, non-removable
PushAuction