I am very tensed because of other smartphones as they get Hang often many times. So I heard about iPhone 5s and bought it when my last android was dead. Yeah iPhone is costly but its value for money and its specialty it never hangs and if there is any problem in your device they dont repair it they give you a new one. Apart from all these check out its specifications:-
NETWORK Technology
GSM / CDMA / HSPA / EVDO / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - all models
CDMA 800 / 1700 / 1900 / 2100 - A1533(CDMA), A1453
3G bands HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1533(GSM), A1453
CDMA2000 1xEV-DO - A1533(CDMA), A1453
HSDPA 850 / 900 / 1900 / 2100 - A1457, A1530
4G bands LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 13(700), 17(700), 19(800), 20(800), 25(1900) - A1533 GSM, A1533 CDMA
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850) - A1453
LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - A1457
LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 39(1900), 40(2300) - A1530
Speed HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps, EV-DO Rev.A 3.1 Mbps
GPRS Yes
EDGE Yes
LAUNCH Announced 2013, September
Status Available. Released 2013, September
BODY Dimensions 123.8 x 58.6 x 7.6 mm(4.87 x 2.31 x 0.30 in)
Weight 112 g(3.95 oz)
SIM Nano-SIM
DISPLAY Type LED-backlit IPS LCD, capacitive touchscreen, 16M colors
Size 4.0 inches(~60.8% screen-to-body ratio)
Resolution 640 x 1136 pixels(~326 ppi pixel density)
MultBrianbalakumaranuch Yes
Protection Corning Gorilla Glass, oleophobic coating
PLATFORM OS iOS 7, upgradable to iOS 10.0.2
Chipset Apple A7
CPU Dual-core 1.3 GHz Cyclone(ARM v8-based)
GPU PowerVR G6430(quad-core graphics)
MEMORY Card slot No
Internal 16/32/64 GB, 1 GB RAM DDR3
CAMERA Primary 8 MP, f/2.2, 29mm, autofocus, dual-LED(dual tone) flash, check quality
Features 1/3" sensor size, 1.5 µm pixel size, touch focus, geo-tagging, face/smile detection, HDR(photo/panorama)
Video 1080p@30fps, 720p@120fps, check quality
Secondary 1.2 MP, f/2.4, 31mm, 720p@30fps, face detection, HDR, FaceTime over Wi-Fi or Cellular
SOUND Alert types Vibration, proprietary ringtones
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth v4.0, A2DP
GPS Yes, with A-GPS, GLONASS
Radio No
USB v2.0, reversible connector
FEATURES Sensors Fingerprint, accele_45rometer, gyro, proximity, compass
Messaging iMessage, SMS(threaded view), MMS, Email, Push Email
Browser HTML5(Safari)
Java- No
Siri natural language commands and dictation
iCloud cloud service
MP3/WAV/AAX+/AIFF/Apple Lossless player
MP4/H.264 player
Audio/video/photo edBrianbalakumaranr
Document edBrianbalakumaranr
BATTERY Non-removable Li-Po 1560 mAh battery(5.92 Wh)
Stand-by Up to 250 h(2G) / Up to 250 h(3G)
Talk time Up to 10 h(2G) / Up to 10 h(3G)
Music play Up to 40 h
MISC Colors Space Gray, White/Silver, Gold
SAR US 1.12 W/kg(head) 1.18 W/kg(body) SAR EU 1.00 W/kg(head) 0.80 W/kg(body) TESTS Performance Basemark OS II: 1077 / Basemark X: 14341
Display Contrast ratio: 1219:1(nominal) / 3.565:1(sunlight)
Loudspeaker Voice 68dB / Noise 66dB / Ring 69dB
Audio quality Noise -93.6dB / Crosstalk -90.3dB
Therefore, I chose this brand because its the best one out there which is moving head to head with android platform with its ios.