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Phone Nokia G310 5G Samsung Zeal / Alias 2 SCH-U750 Samsung SCH-A690 AT&T Calypso
Current U.S. Carriers Metro
T-Mobile
(none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size 6.6" diag.
20 : 9
2.6" diag.
4 : 3
? 5.5" diag.
18 : 9
Display Resolution & Type 720 x 1612 pixels
(~269 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
480 x 960 pixels
(~195 ppi)
LCD (TFT/TFD)
Display Refresh 90 Hz ? ? 60 Hz
Battery 5,000 mAh 880 mAh 1,300 mAh 2,500 mAh
Processor 2.2 GHz Snapdragon 480+ ? ? 1.5 GHz MediaTek MT6739
RAM 4 GB ? ? 1 GB
Storage 128 GB ? raw hardware ? raw hardware 16 GB
Main Camera 50 megapixel 2 megapixel - 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD QCIF (176 x 144) - 1080p HD
Front Camera 8 megapixel - - 5 megapixel
Weight 6.88 oz
(195g)
4.34 oz
(123g)
4.3 oz
(122g)
6 oz
(170g)
Dimensions 6.5" x 2.98" x 0.34"
(165 x 76 x 8.6 mm)
4.01" x 2.04" x 0.67"
(102 x 52 x 17 mm)
3.64" x 1.93" x 1.02"
(92 x 49 x 25.9 mm)
5.91" x 2.87" x 0.39"
(150 x 73 x 9.9 mm)
Form Factor Slab Clamshell Clamshell Slab
Platform / OS Android (proprietary) (proprietary) Android
Network Bands

5G: 25, 41, 66, 71, 77-C

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 38, 39, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) EVDO r0 1xRTT LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - Yes
GPS / Location n/a Yes Yes n/a
Water-Resistant Yes
IPX2 (drip)
- - -
Accessibility
Adjustable Text Size n/a Yes - n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
- Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display - Yes Yes -
Connectivity
Bluetooth Yes Yes - Yes
NFC Yes - - -
USB Yes
USB Type C
Yes - Yes
USB Type C
Wi-Fi Yes
5 (802.11 ac,b,g,n)
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes - n/a
Ringer ID n/a Yes - n/a
Voice Dialing n/a Yes Yes n/a
Customization
Custom Graphics n/a Yes - n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a Yes - n/a
Data & Network
Data Tethering n/a Yes Yes n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client n/a Yes - n/a
Instant Messaging n/a Yes - n/a
MMS n/a Yes - n/a
Text Messaging Templates n/a Yes Yes n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a Yes - n/a
Power
Fast Charging Yes - - -
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a - Yes n/a
Voice Memo n/a Yes Yes n/a
Software
BREW n/a Yes Yes n/a
Games n/a Yes Yes n/a
Voice
Call Screening - - Yes -
HD Voice Yes - - Yes
Headset Jack (2.5 mm) n/a Yes Yes n/a
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  Nokia G310 5G Samsung Zeal / Alias 2 SCH-U750 Samsung SCH-A690 AT&T Calypso
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Phone Nokia G310 5G Samsung Zeal / Alias 2 SCH-U750 Samsung SCH-A690 AT&T Calypso

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