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BlackBerry Z30 vs Nokia G21

2G Network GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM  
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500)  
Available Coming soon. Exp. release 2013, October
Dimensions 164.6 x 75.9 x 8.5 mm  
Sim Type Micro-SIM ,Single Sim Dual Sim, Dual Standby (Nano-SIM)  
Weight n/a 190 g  
Display Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch  
Display Size 5.0 inches, 720 x 1280 pixels (~294 ppi pixel density) 6.5 Inches   720 x 1600 Pixels (~269 PPI)  
Memory 16 GB internal, microSD upto 64GB 64GB Built-in, 4GB RAM  
Card slot microSDXC (dedicated slot)  
RAM 2 GB
GPRS Yes Yes
EDGE Yes Yes
3G Yes
WLAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot  
BlueTooth Yes, v4.0 with A2DP, LE v5.0 with A2DP, LE  
USB Yes, microUSB v2.0 USB Type-C 2.0, USB On-The-Go  
NFC Yes  
GPS Yes, with A-GPS support Yes + A-GPS support & Glonass, BDS  
Main Camera 8 MP, 3264 x 2448 pixels, 1080p@30fps video, autofocus, LED flash, Geo-tagging, face detection, image stabilization Triple Camera: 50 MP, (wide), PDAF + 2 MP, (macro) + 2 MP, (depth), LED Flash   Phase detection, Geo-tagging, touch focus, face detection, panorama, HDR, Video (1080p@30fps)  
Front Camera Yes, 2 MP, 720p@30fps 8 MP, (wide), Video (1080p@30fps)  
OS BlackBerry 10.2 OS Android 11 OS  
Chipset Unisoc T606  
Processor Dual-core 1.7 GHz Krait, Adreno 320 GPU 1.6 Ghz Octa Core  
GPU ARM Mali G57  
Sensors Accelerometer, Fingerprint (side mounted), Proximity  
Browser HTML5 HTML5  
Radio No
Sound 3.5mm HeadJack, Loud Speaker 3.5mm Audio Jack, Speaker Phone  
Colors Black Nordic Blue, Dusk  
Battery Li-Ion 2880 mAh battery (Li-Po Non removable), 5050 mAh   - Fast charging 18W  
StandBy Time Not Disclosed
TalkTime Not Disclosed
Misc SMS(threaded view), MMS, Email, Push Mail, IM   Document viewer/editor, Photo/video editor