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Phone Ericsson T66 BlackBerry Storm2 9550 ZTE Blade X Max ZTE ZMAX Pro Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.3" diag.
4 : 3
6" diag.
16 : 9
6" diag.
16 : 9
6.2" diag.
20 : 9
Display Resolution & Type ? 360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh ? ? 60 Hz 60 Hz 120 Hz
Battery ? 1,400 mAh 3,400 mAh 3,400 mAh 4,000 mAh
Processor ? ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) 1.5 GHz Qualcomm Snapdragon 617 (MSM8952) 2.8 GHz Qualcomm Snapdragon 888
RAM ? ? 2 GB 2 GB 8 GB
Storage ? raw hardware ? raw hardware 32 GB 32 GB 128 GB *
Main Camera - 3 megapixel 13 megapixel 13 megapixel 12 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - 64 megapixel
Video Capture - ? 1080p HD 1080p HD 8K
Front Camera - - 5 megapixel 5 megapixel 10 megapixel
Weight 2.08 oz
(59g)
5.64 oz
(160g)
6.93 oz
(196g)
6.17 oz
(175g)
6.03 oz
(171g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
6.5" x 3.27" x 0.37"
(165 x 83 x 9.4 mm)
6.5" x 3.3" x 0.35"
(165 x 84 x 8.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) BlackBerry OS Android Android Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

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 - EVDO rA LTE (Cat 4) LTE (Cat 4) NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - Yes
stand-alone
Yes Yes
in-display (ultrasonic)
Flashlight - - Yes Yes Yes
GPS / Location - n/a n/a n/a n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - - Yes
USB - Yes Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Wi-Fi - Yes
802.11 b,g
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 - n/a n/a n/a n/a
Ringer ID - n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS - n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
Miracast - - - Yes -
TV Output - - - - Yes
Power
Fast Charging - - Yes - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo - n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) - n/a n/a n/a n/a
Voice
HD Voice - - - Yes Yes
Speaker Phone - Yes Yes Yes Yes
  Ericsson T66 BlackBerry Storm2 9550 ZTE Blade X Max ZTE ZMAX Pro Samsung Galaxy S21
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Phone Ericsson T66 BlackBerry Storm2 9550 ZTE Blade X Max ZTE ZMAX Pro Samsung Galaxy S21

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