• Announced: 22 Jul 2014
• OS: Android 4.4.3
• Hardware: Quad core, 2500 MHz, Qualcomm Krait 400, 3072 MB RAM
• Display: 5.0 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSDPA+ (4G) 42.2 Mbit/s HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

Also known as: LG D725, LG G3 mini, LG D722, LG G3 Beat

• Posted: 17 Jul 2014
• OS: Android 4.4.2
• Hardware: Quad core, 1200 MHz, 1024 MB RAM
• Display: 5.0 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 8 megapixels
• Data: LTE HSDPA+ (4G) 21.1 Mbit/s EDGE GPRS

Also known as: Sony D2533, Sony D2502

• Announced: 08 Jul 2014
• OS: Android 4.4
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 5.5 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 8 megapixels, 1920x1080 (1080p HD) video
• Battery: 11 hours of Talk Time, 1040 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

• Posted: 08 Jul 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2500 MHz, http://www.nubia.cn/product.php?sid=458, 2048 MB RAM
• Display: 5.5 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSPA (unspecified) HSUPA EDGE GPRS EV-DO

• Announced: 08 Jul 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2500 MHz, Krait 400, 3072 MB RAM
• Display: 5.5 inches, 1440 x 2560 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSPA (unspecified) HSUPA EDGE GPRS EV-DO

• Posted: 04 Jul 2014
• OS: Android 4.3
• Hardware: Quad core, 1200 MHz, 1024 MB RAM
• Display: 5.0 inches, 540 x 960 pixels, Capacitive Touchscreen
• Camera 5 megapixels, 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s EDGE GPRS

Also known as: Samsung SM-G800

• Announced: 01 Jul 2014
• OS: Android 4.4
• Hardware: Quad core, 1400 MHz, 1536 MB RAM
• Display: 4.5 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 8 megapixels, 1920x1080 (1080p HD) video
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

Also known as: Samsung GT-S5260

• Posted: 30 Jun 2014
• OS: Android 4.4
• Hardware: Single core, 1000 MHz, ARM Cortex-A7, 512 MB RAM
• Display: 3.5 inches, 320 x 480 pixels, Capacitive Touchscreen
• Camera 2 megapixels, 640x480 (VGA) video
• Technology: GSM (850 900 1800 1900)
• Data: EDGE GPRS

Also known as: Samsung SM-G130

• Posted: 30 Jun 2014
• OS: Android 4.4
• Hardware: Single core, 1000 MHz, 512 MB RAM
• Display: 3.5 inches, 320 x 480 pixels, Capacitive Touchscreen
• Camera 3 megapixels, 640x480 (VGA) video
• Technology: GSM (850 900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

• Posted: 30 Jun 2014
• OS: Android 4.4
• Hardware: Dual core, 1200 MHz, 1024 MB RAM
• Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
• Camera 5 megapixels, 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

• Posted: 24 Jun 2014
• OS: Android 4.3
• Hardware: Dual core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 4.3 inches, 480 x 800 pixels, Capacitive Touchscreen
• Camera 5 megapixels, 1280x720 (720p HD) video
• Battery: 10 hours of Talk Time, 552 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

• Announced: 23 Jun 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2500 MHz, Krait 400, 2048 MB RAM
• Display: 5.1 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 16 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) video
• Battery: 21 hours of Talk Time, 390 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

• Posted: 20 Jun 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2300 MHz, Krait 400, 3072 MB RAM
• Display: 5.0 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 20.7 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) 1280x720 (720p HD) video
• Battery: 15 hours of Talk Time, 690 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

• Announced: 18 Jun 2014
• OS: Android 4.2.2
• Hardware: Quad core, 2200 MHz, Krait 400, 2048 MB RAM
• Display: 4.7 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 1920x1080 (1080p HD) video
• Battery: 22 hours of Talk Time, 285 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSPA (unspecified) UMTS EDGE GPRS

• Posted: 18 Jun 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2500 MHz, Krait 450, 3072 MB RAM
• Display: 5.1 inches, 1440 x 2560 pixels, Capacitive Touchscreen
• Camera 16 megapixels, 3840x2160 (4K) video
• Data: LTE-A

Also known as: Samsung SM-T800, Samsung SM-T805, Samsung SM-T801

• Announced: 12 Jun 2014
• OS: Android 4.4.2
• Hardware: 8-core, 1900 MHz, ARM Cortex-A15 & ARM Cortex-A7, 3072 MB RAM
• Display: 10.5 inches, 2560 x 1600 pixels, Capacitive Touchscreen
• Camera 8 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE

Also known as: ZTE N9835

• Announced: 12 Jun 2014
• OS: Android 4.3
• Hardware: Quad core, 2300 MHz, Krait 400, 2048 MB RAM
• Display: 5.0 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 1920x1080 (1080p HD) video
• Battery: 10 hours of Talk Time, 264 hours of Stand-by
• Technology: CDMA (800 1900)

Also known as: LG V700

• Posted: 12 Jun 2014
• OS: Android 4.4.2
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 10.1 inches, 1280 x 800 pixels, Capacitive Touchscreen
• Camera 5 megapixels

• Posted: 12 Jun 2014
• OS: Android
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 8.0 inches, 800 x 1280 pixels, Capacitive Touchscreen
• Camera 5 megapixels

Also known as: LG V400

• Posted: 12 Jun 2014
• OS: Android
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 7.0 inches, 800 x 1280 pixels, Capacitive Touchscreen
• Camera 3 megapixels

Also known as: Samsung SM-T705, Samsung SM-T700

• Announced: 12 Jun 2014
• OS: Android 4.4.2
• Hardware: 8-core, 1900 MHz, ARM Cortex-A15 & ARM Cortex-A7, 3072 MB RAM
• Display: 8.4 inches, 1600 x 2560 pixels, Capacitive Touchscreen
• Camera 8 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE

Also known as: Kyocera C6730

• Posted: 10 Jun 2014
• OS: Android 4.3
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1536 MB RAM
• Display: 4.5 inches, 540 x 960 pixels, Capacitive Touchscreen
• Camera 8 megapixels, 1920x1080 (1080p HD) video
• Battery: 14 hours of Talk Time, 193 hours of Stand-by
• Data: LTE EV-DO Rev.A

Also known as: Sony D5103, Sony D5106, Sony D5102

• Announced: 03 Jun 2014
• OS: Android 4.4
• Hardware: Quad core, 1400 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 5.3 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 8 megapixels, 1920x1080 (1080p HD) video
• Battery: 12.8 hours of Talk Time, 639 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

• Announced: 02 Jun 2014
• OS: Android 4.4
• Hardware: Dual core, 2100 MHz, 1024 MB RAM
• Display: 8.0 inches, 1200 x 1920 pixels, Capacitive Touchscreen
• Camera 5 megapixels

Also known as: HTC M8 Ace, HTC One 'Vogue Edition'

• Announced: 03 Jun 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2300 MHz, Krait 400, 2048 MB RAM
• Display: 5.0 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSDPA+ (4G) 42.2 Mbit/s HSUPA EDGE GPRS

• Posted: 30 May 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2500 MHz, Krait 400, 2048 MB RAM
• Display: 5.1 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 16 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) video
• Battery: 29 hours of Talk Time, 480 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSPA (unspecified) HSUPA EDGE GPRS

Also known as: LG D855

• Announced: 27 May 2014
• OS: Android 4.4.2
• Hardware: Quad core, 2500 MHz, Krait 400, 3072 MB RAM
• Display: 5.5 inches, 1440 x 2560 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) video
• Battery: 19 hours of Talk Time, 548 hours of Stand-by
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

Also known as: HTC One Remix

• Posted: 15 May 2014
• OS: Android 4.4
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 4.5 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSDPA+ (4G) 42.2 Mbit/s EDGE GPRS

• Announced: 13 May 2014
• OS: Android 4.4.2 4.4 4.3
• Hardware: Quad core, 1200 MHz, 1024 MB RAM
• Display: 4.5 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 5 megapixels, 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

• Announced: 13 May 2014
• OS: Android 4.4.4 4.4.3 4.4.2
• Hardware: Dual core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 4.3 inches, 540 x 960 pixels, Capacitive Touchscreen
• Camera 5 megapixels, Other video
• Technology: GSM (850 900 1800 1900),  CDMA (800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

• Announced: 07 May 2014
• OS: Android 4.4.2
• Hardware: Quad core, 1800 MHz, ARM Cortex-A9, 2048 MB RAM
• Display: 5.0 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

Also known as: Samsung SM-C115, Samsung Galaxy S5 Zoom

• Announced: 29 Apr 2014
• OS: Android 4.4.2
• Hardware: 6-core, 1700 MHz, ARM Cortex-A15 & ARM Cortex-A7 , 2048 MB RAM
• Display: 4.8 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 20.7 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

• Posted: 28 Apr 2014
• OS: Android 4.3
• Hardware: Quad core, 1200 MHz, 1024 MB RAM
• Display: 4.5 inches, 540 x 960 pixels, Capacitive Touchscreen
• Camera 8 megapixels
• Battery: 12 hours of Talk Time, 370 hours of Stand-by
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s

Also known as: Samsung SM-G355H

• Posted: 28 Apr 2014
• OS: Android 4.4.2
• Hardware: Quad core, 1200 MHz, 768 MB RAM
• Display: 4.5 inches, 480 x 800 pixels, Capacitive Touchscreen
• Camera 5 megapixels, 640x480 (VGA) video
• Technology: GSM (850 900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s EDGE GPRS

Also known as: Samsung SM-G3858

• Announced: 24 Apr 2014
• OS: Android 4.2.2
• Hardware: Quad core, 1200 MHz, 1024 MB RAM
• Display: 4.7 inches, 480 x 800 pixels, Capacitive Touchscreen
• Camera 5 megapixels
• Technology: GSM (850 900 1800 1900)

• Announced: 23 Apr 2014
• OS: Android 4.4.4 4.4
• Hardware: Quad core, 2500 MHz, Krait 400, 3072 MB RAM
• Display: 5.5 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 3840x2160 (4K) 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE UMTS EDGE GPRS

Also known as: LG VS876

• Announced: 17 Apr 2014
• OS: Android 4.4
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 4.7 inches, 540 x 960 pixels, Capacitive Touchscreen
• Camera 5 megapixels, 1920x1080 (1080p HD) video
• Battery: 12.5 hours of Talk Time, 360 hours of Stand-by
• Technology: CDMA (800 1900)
• Data: LTE EV-DO Rev.A

• Posted: 17 Apr 2014
• OS: Android
• Hardware: Dual core, 1300 MHz
• Display: 4.0 inches, 480 x 854 pixels, Capacitive Touchscreen
• Camera 3 megapixels

Also known as: OPPO X9006

• Announced: 19 Mar 2014
• OS: Android 4.3
• Hardware: Quad core, 2300 MHz, Krait 400, 2048 MB RAM
• Display: 5.5 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 3840x2160 (4K) 1920x1080 (1080p HD) 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE EDGE GPRS

Also known as: Samsung GT-I9300I

• Posted: 10 Apr 2014
• OS: Android 4.3
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1536 MB RAM
• Display: 4.8 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 8 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

• Announced: 08 Apr 2014
• OS: Android 4.4 4.2
• Hardware: Quad core, 1300 MHz, 1024 MB RAM
• Display: 10.1 inches, 1280 x 800 pixels, Capacitive Touchscreen
• Camera 5 megapixels
• Technology: GSM (900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

• Posted: 08 Apr 2014
• OS: Android 4.4 4.2
• Hardware: Quad core, 1300 MHz, 1024 MB RAM
• Display: 8.0 inches, 800 x 1280 pixels, Capacitive Touchscreen
• Camera 5 megapixels
• Technology: GSM (900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

• Announced: 08 Apr 2014
• OS: Android 4.4 4.2
• Hardware: Quad core, 1600 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 7.0 inches, 800 x 1280 pixels, Capacitive Touchscreen
• Camera 5 megapixels
• Technology: GSM (900 1800 1900)
• Data: HSDPA+ (4G) 21.1 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS

Also known as: Samsung SM-235

• Announced: 01 Apr 2014
• OS: Android 4.4.2
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1536 MB RAM
• Display: 7.0 inches, 800 x 1280 pixels, Capacitive Touchscreen
• Camera 3 megapixels, 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

Also known as: Samsung SM-T335

• Announced: 01 Apr 2014
• OS: Android 4.4.2
• Hardware: Quad core, 1200 MHz, ARM Cortex -A7, 1536 MB RAM
• Display: 8.0 inches, 800 x 1280 pixels, Capacitive Touchscreen
• Camera 3 megapixels, 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

Also known as: Samsung SM-T535, Samsung Galaxy Tab 4 Education

• Announced: 01 Apr 2014
• OS: Android 4.4.2
• Hardware: Quad core, 1200 MHz, ARM Cortex-A7, 1536 MB RAM
• Display: 10.1 inches, 1280 x 800 pixels, Capacitive Touchscreen
• Camera 3 megapixels, 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS

Also known as: LG VS450PP

• Posted: 27 Mar 2014
• OS: Android 4.4.2
• Hardware: Dual core, 1200 MHz, ARM Cortex-A7
• Display: 4.5 inches, 400 x 800 pixels, Capacitive Touchscreen
• Camera 5 megapixels, Other video
• Battery: 12 hours of Talk Time, 432 hours of Stand-by
• Technology: CDMA (800 1900)
• Data: EV-DO Rev.A

Also known as: HTC One (2014), HTC One (M8) Harman Kardon edition, HTC One (M8) Google Play edition

• Announced: 25 Mar 2014
• OS: Android 4.4.3 4.4
• Hardware: Quad core, 2300 MHz, Krait 400, 2048 MB RAM
• Display: 5.0 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 4 megapixels, 1920x1080 (1080p HD) 1280x720 (720p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: LTE HSDPA+ (4G) 42.2 Mbit/s EDGE GPRS

• Posted: 25 Mar 2014
• OS: Android 4.4
• Hardware: Quad core, 2300 MHz, Krait 400, 3072 MB RAM
• Display: 6.4 inches, 1080 x 1920 pixels, Capacitive Touchscreen
• Camera 13 megapixels
• Data: LTE HSPA (unspecified) EV-DO

• Announced: 20 Mar 2014
• OS: Android 4.2
• Hardware: 8-core, 1400 MHz, ARM Cortex-A7, 1024 MB RAM
• Display: 5.5 inches, 720 x 1280 pixels, Capacitive Touchscreen
• Camera 13 megapixels, 1920x1080 (1080p HD) video
• Technology: GSM (850 900 1800 1900)
• Data: HSPA (unspecified) EDGE GPRS