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Phone Samsung SCH-A990 Apple iPhone 12 Pro Max Sony Ericsson K850 Samsung Ace SPH-i325 ZTE Z221
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.7" diag.
19.5 : 9
2.2" diag.
4 : 3
2.3" diag.
4 : 3
2" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
1284 x 2778 pixels
(~457 ppi)
AMOLED
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~174 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 1,000 mAh 3,687 mAh ? 1,300 mAh 900 mAh
Processor ? Apple A14 Bionic ? 416 MHz PXA270 ?
RAM ? 6 GB ? ? ?
Storage ? raw hardware 128 GB * ? raw hardware ? raw hardware 142 MB
Main Camera 3 megapixel 12 megapixel 5 megapixel 1 megapixel Yes
Wide Camera - 12 megapixel - - -
Tele Camera - 12 megapixel - - -
Video Capture ? 4K UHD ? QVGA (320 x 240) QCIF (176 x 144)
Front Camera - 12 megapixel - - -
Weight 4.4 oz
(125g)
8.03 oz
(228g)
4.2 oz
(119g)
3.9 oz
(111g)
3.24 oz
(92g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.33" x 3.07" x 0.29"
(161 x 78 x 7.4 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
4.65" x 2.32" x 0.46"
(118 x 59 x 11.7 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) iOS (proprietary) Windows Mobile Standard (proprietary)
Network Bands

CDMA: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 NR (5G) HSDPA 3.6 EVDO r0 HSDPA 3.6
Features 
Barometer - Yes - - -
Flashlight Yes Yes - - -
GPS / Location Yes n/a - n/a Yes
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T4 (very tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - Yes
Ringer Profiles - - Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - Yes - - -
USB Yes Yes Yes Yes Yes
UWB - Yes - - -
Wi-Fi - 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 Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers Yes n/a Yes n/a Yes
Data & Network
Data Tethering Yes n/a Yes n/a -
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes
Capacitive
- - -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client - n/a Yes n/a Yes
EMS / Picture Messaging Yes n/a - n/a -
Instant Messaging - n/a - n/a Yes
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio - - Yes - -
Music Player Yes n/a Yes n/a -
Stereo Speakers Yes Yes - - -
Photo & Video
TV Output Yes Yes - - -
Video Calling - n/a Yes * n/a -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List - n/a Yes n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
BREW Yes n/a - n/a -
Games Yes n/a Yes n/a Yes
Java (J2ME) - n/a Yes n/a Yes
Voice
HD Voice - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Apple iPhone 12 Pro Max Sony Ericsson K850 Samsung Ace SPH-i325 ZTE Z221
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Apple iPhone 12 Pro Max Sony Ericsson K850 Samsung Ace SPH-i325 ZTE Z221

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