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Phone ZTE Warp Sync Samsung SCH-A990 Samsung Galaxy S23 Ultra
Current U.S. Carriers (none) (none) Verizon
Global Availability Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
? 6.8" diag.
19.5 : 9
Display Resolution & Type 720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1440 x 3088 pixels
(~501 ppi)
AMOLED
Display Refresh 60 Hz ? 120 Hz
Battery 2,300 mAh 1,000 mAh 5,000 mAh
Processor 1.2 GHz Qualcomm Snapdragon MSM8960 ? 3.4 GHz Snapdragon 8 Gen 2 for Galaxy
RAM 2 GB ? 8 GB *
Storage 8 GB ? raw hardware 256 GB *
Main Camera 8 megapixel 3 megapixel 200 megapixel
Wide Camera - - 12 megapixel
Tele Camera - - 10 megapixel
Video Capture 720p HD ? 8K
Front Camera 2 megapixel - 12 megapixel
Weight 5.75 oz
(163g)
4.4 oz
(125g)
8.25 oz
(234g)
Dimensions 5.6" x 2.9" x 0.4"
(142 x 74 x 10.2 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.43" x 3.07" x 0.35"
(163 x 78 x 8.9 mm)
Form Factor Slab Clamshell Slab
Platform / OS Android (proprietary) Android
Network Bands

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

CDMA: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 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

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) EVDO r0 NR (5G)
Features 
Barometer - - Yes
Fingerprint Reader - - Yes
in-display (ultrasonic)
Flashlight - Yes Yes
GPS / Location n/a 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 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes
Alerts
Extra Display - Yes -
Connectivity
Bluetooth Yes Yes Yes
Mobile Hotspot n/a - n/a
NFC - - Yes
USB Yes
Micro-USB
Yes Yes
USB Type C
UWB - - Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
6E (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a Yes n/a
Ringer ID n/a Yes n/a
Voice Dialing n/a Yes n/a
Customization
Custom Graphics n/a Yes n/a
Custom Ringtones n/a Yes n/a
Real-Music Ringers n/a Yes n/a
Data & Network
Data Tethering n/a Yes n/a
WAP / Web Browser n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a
Side Keys Yes Yes Yes
Stylus - - Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes -
Messaging
Email Client n/a - n/a
EMS / Picture Messaging n/a Yes n/a
Instant Messaging n/a - n/a
MMS n/a Yes n/a
Text Messaging Templates n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes - -
Music Player n/a Yes n/a
Stereo Speakers - Yes Yes
Photo & Video
TV Output - Yes -
Power
Fast Charging - - Yes
Wireless Charging - - Yes
Productivity
Alarm n/a Yes n/a
Calculator n/a Yes n/a
Calendar n/a Yes n/a
Voice Memo n/a Yes n/a
Software
BREW n/a Yes n/a
Games n/a Yes n/a
Voice
HD Voice - - Yes
Speaker Phone Yes Yes Yes
  ZTE Warp Sync Samsung SCH-A990 Samsung Galaxy S23 Ultra
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Phone ZTE Warp Sync Samsung SCH-A990 Samsung Galaxy S23 Ultra

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