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Phone Amazon Fire ZTE Engage LT / Engage MT ZTE Z221 Samsung SCH-A990 Samsung Galaxy S22
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
4" diag.
5 : 3
2" diag.
4 : 3
? 6.1" diag.
19.5 : 9
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~422 ppi)
AMOLED
Display Refresh ? 60 Hz ? ? 120 Hz
Battery 2,400 mAh 1,900 mAh 900 mAh 1,000 mAh 3,700 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? ? ? Snapdragon 8 Gen 1
RAM 2 GB 1 GB ? ? 8 GB
Storage 32 GB * 4 GB 142 MB ? raw hardware 128 GB *
Main Camera 13 megapixel 3 megapixel Yes 3 megapixel 50 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - 10 megapixel
Video Capture 1080p HD WVGA / 480p QCIF (176 x 144) ? 8K
Front Camera 2 megapixel Yes - - 10 megapixel
Weight 5.64 oz
(160g)
5.09 oz
(144g)
3.24 oz
(92g)
4.4 oz
(125g)
5.93 oz
(168g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.78" x 2.54" x 0.46"
(121 x 64 x 11.7 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.75" x 2.78" x 0.3"
(146 x 71 x 7.6 mm)
Form Factor Slab Slab Clamshell Clamshell Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 260, 261

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) EVDO rA HSDPA 3.6 EVDO r0 NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
in-display (ultrasonic)
Flashlight Yes - - Yes Yes
GPS / Location Yes n/a Yes Yes n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - n/a - - n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot Yes n/a - - n/a
NFC Yes - - - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes - - Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes n/a - Yes n/a
Ringer ID Yes n/a - Yes n/a
Voice Dialing Yes n/a - Yes n/a
Customization
Custom Graphics - n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers - n/a Yes Yes n/a
Data & Network
Data Tethering Yes n/a - Yes n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client Yes n/a Yes - n/a
EMS / Picture Messaging - n/a - Yes n/a
Instant Messaging - n/a Yes - n/a
MMS Yes n/a Yes Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes - - -
Music Player Yes n/a - Yes n/a
Stereo Speakers Yes - - Yes Yes
Photo & Video
Miracast Yes - - - -
TV Output Yes - - Yes Yes
Power
Fast Charging - - - - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
Voice Memo Yes n/a Yes Yes n/a
Software
BREW - n/a - Yes n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) - n/a Yes - n/a
Voice
HD Voice Yes - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Amazon Fire ZTE Engage LT / Engage MT ZTE Z221 Samsung SCH-A990 Samsung Galaxy S22
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Phone Amazon Fire ZTE Engage LT / Engage MT ZTE Z221 Samsung SCH-A990 Samsung Galaxy S22

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