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Phone Nokia 6255i / 6256i Alcatel Pop Star Coolpad Conjr Motorola i670 Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
5" diag.
16 : 9
? 6.2" diag.
20 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
130 x 130 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz ? 120 Hz
Battery 1,070 mAh 2,000 mAh 2,500 mAh ? 4,000 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 1 GHz MediaTek MT6735 ? 2.8 GHz Qualcomm Snapdragon 888
RAM ? 1 GB 3 GB ? 8 GB
Storage ? raw hardware 4 GB 16 GB ? raw hardware 128 GB *
Main Camera Yes 5 megapixel 13 megapixel - 12 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - 64 megapixel
Video Capture ? 1080p HD 1080p HD - 8K
Front Camera - Yes 8 megapixel - 10 megapixel
Weight 4.23 oz
(120g)
4.6 oz
(130g)
5.14 oz
(146g)
4.06 oz
(115g)
6.03 oz
(171g)
Dimensions 3.36" x 1.87" x 0.97"
(85 x 47 x 24.6 mm)
4.84" x 2.5" x 0.38"
(123 x 64 x 9.7 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
3.46" x 2" x 1.02"
(88 x 51 x 25.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Android Android (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 4, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

iDEN: 800

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT LTE (Cat 3) LTE (Cat 4) WiDEN NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - Yes
stand-alone
- Yes
in-display (ultrasonic)
Flashlight - Yes Yes - Yes
GPS / Location Yes n/a n/a Yes n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - n/a n/a Yes n/a
Hearing Aid Compatible Yes
M4 (very compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a - n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) Yes - - - -
NFC - - - - Yes
USB Yes Yes
Micro-USB
Yes
Micro-USB
- Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes n/a n/a - n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing Yes n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers Yes n/a n/a - n/a
Data & Network
Data Tethering Yes n/a n/a Yes n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client Yes n/a n/a - n/a
EMS / Picture Messaging Yes * n/a n/a - n/a
Instant Messaging - n/a n/a - n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player Yes * n/a n/a - n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - - - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes n/a n/a - n/a
Calculator Yes n/a n/a - n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW Yes * n/a n/a - n/a
Games Yes n/a n/a - n/a
Java (J2ME) Yes * n/a n/a Yes n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a Yes n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nokia 6255i / 6256i Alcatel Pop Star Coolpad Conjr Motorola i670 Samsung Galaxy S21
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Phone Nokia 6255i / 6256i Alcatel Pop Star Coolpad Conjr Motorola i670 Samsung Galaxy S21

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