Samsung Galaxy A8

                         Samsung Galaxy A8

We know it another name  Samsung Galaxy A8 SM-A800F
NETWORK type :
GSM / HSPA / LTE
Speed : HSPA 42.1/5.77 Mbps, LTE Cat4 150/50 Mbps.
GPRS /EDGE :Yes.
Expected announcement : May 2015.
Status : Still not available.
Device Dimensions : 5.9 mm thick.
Weight - not get .
SIM type : Nano-SIM.
 Fingerprint sensor : yes.
DISPLAY system :  Samsung invented Super AMOLED capacitive touchscreen, 16M colors.
Size of monitor : 5.5 inches
Resolution :[ 1080 x 1920 ] pixels [~401 ppi (pixel per inch) pixel density ]
Multitouch : available.
Display Protection : Corning Gorilla Glass 4
Android Platform : Android OS, v5.1 (Lollipop)
Chipset Qualcomm MSM8939 Snapdragon 615.
GPU Adreno 405.
CPU Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53.
Card slot microSD, up to 64 GB.
Built in storage :16 GB,
RAM : 2 GB
CAMERA back : 16 MP, [ 5312 x 2988 ] pixels, autofocusing, LED flash light.
Camera Features : Geo-tagging, 3D sweep panorama, face detection , touch focus,HDR.
Video status: 1080p@30fps with auto focusing.
Front camera : 5 MP, 1080p video.
Loudspeaker Yes.
3.5mm jack Yes.
WLAN : Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
GPS Yes, with A-GPS, GLONASS.
Bluetooth v4.0, A2DP, EDR.
NFC Yes.
Radio type : FM radio with RDS.
Micro USB v2.0.
Sensors : Accelerometer,light , proximity, compass.
SMS type : Short message service[SMS](threaded view), MMS, Email, Push Mail, IM.
Java : Not available.
 Battery type : Non-removable 3050 Li Ion mAh battery.
Color availability :  Pearl White, Champagne Gold,Midnight Black.

By Arif Hasan Shuvo

XIAOMI Mi 4i

                                              XIAOMI Mi 4i

Xiaomi Mi 4i is the latest device of Xiaomi Mi series which is selfie standard smartphone.Ultimately it is a great phone of Xiaomi as it has no SD card slot . After all it's battery charging system  is super  with quick charging system.

NETWORK features : 
LTE(4G) / HSPA (3G) / GSM(2G)
2G band :  GSM ( 850 / 900 / 1800 / 1900 ) for SIM 1 & SIM 2
3G  band : HSDPA ( 850 / 1900 / 2100 ) for SIM 1 & SIM 2
4G band : LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) for SIM 1 & SIM 2
Speed HSPA, LTE
Announcement date : April 2015.
Released date : available in market since  April 2015.
Device Dimensions : ( 138.1 x 69.6 x 7.8 ) mm. (5.44 x 2.74 x 0.31 ) inch
Total Weight : 130 gm (4.59 oz).
Micro dual SIM . Dual stand-by.
DISPLAY category : IPS LCD capacitive touchScreen with 16M colors.
 Size of monitor : 5 inches (~71.7% screen to body ratio)
Resolution ( 1080 x 1920 ) pixels (~441 ppi pixel density)
Multitouch : Support.

Operating system : Android OS, v 5.0.2 (Lollipop)
Chipset : Qualcomm MSM8939 Snapdragon 615
CPU  : Quad-core 1.7 GHz Cortex-A53 & quad-core 1.1 GHz Cortex-A53
GPU Adreno 405
MEMORY card slot : No
Internal storage : 16 GB,
RAM : 2GB
Primary Camera : 13 MP, { 4128 x 3096 } pixels, dual-LED (dual tone) flash,autofocus.
Camera features :  Touch focus , Geo-tagging, , Face/smile detection, Sweep panorama, HDR.
Video quality : 1080p@30fps continuous auto focus.
Secondary Camera : 5 MP , 720p video.
Alert types sound : WAV ringtone,Vibration , MP3 ringtone
Loudspeaker : Yap.
3.5mm jack : Yes.
Wi-Fi : Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth :  v4.1, A2DP
GPS  with A-GPS, GLONASS, Beidou.
Radio : FM radio with RDS.
USB  port : micro USB v2.0, USB Host
Sensors feature : Accelerometer, gyro, compass, proximity
Message type :  SMS, MMS, Email, Push Mail, IM

Browser : HTML5
Java : not available.
Battery feature : Fast battery charging: 40% in 60 min (Quick Charge) . 3120 MAh Li-Ion  battery.
Talk time : Up to 35 h (3G).
Device Colors : Black, White, Yellow, Blue, Pink.

By Arif Hasan Shuvo