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Phone Samsung DoubleTime Samsung Galaxy A01 Samsung Galaxy S22 Samsung SCH-A990 Nokia Lumia 521 / 520
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
5.7" diag.
19 : 9
6.1" diag.
19.5 : 9
? 4" diag.
5 : 3
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
720 x 1520 pixels
(~295 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~422 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 120 Hz ? ?
Battery 1,200 mAh 3,000 mAh 3,700 mAh 1,000 mAh 1,430 mAh
Processor 600 MHz Qualcomm 2 GHz Qualcomm Snapdragon 439 Snapdragon 8 Gen 1 ? 1 GHz Qualcomm Snapdragon S4 MSM8270
RAM ? 2 GB 8 GB ? 512 MB
Storage ? raw hardware 16 GB 128 GB * ? raw hardware 8 GB
Main Camera 3 megapixel 13 megapixel 50 megapixel 3 megapixel 5 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 10 megapixel - -
Video Capture QVGA (320 x 240) 1080p HD 8K ? 720p HD
Front Camera - 5 megapixel 10 megapixel - -
Weight 5.22 oz
(148g)
5.33 oz
(151g)
5.93 oz
(168g)
4.4 oz
(125g)
4.39 oz
(124g)
Dimensions 4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
5.81" x 2.79" x 0.33"
(147 x 71 x 8.3 mm)
5.75" x 2.78" x 0.3"
(146 x 71 x 7.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS Android Android Android (proprietary) Windows
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 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

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA 7.2 LTE (Cat 4) NR (5G) EVDO r0 HSPA+ 21
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (ultrasonic)
- -
Flashlight - Yes Yes Yes -
GPS / Location n/a n/a n/a Yes n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a n/a n/a - n/a
NFC - - Yes - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
Contacts
Picture ID n/a n/a n/a Yes n/a
Ringer ID n/a n/a n/a Yes n/a
Voice Dialing n/a n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a n/a Yes n/a
Custom Ringtones n/a n/a n/a Yes n/a
Real-Music Ringers n/a n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a n/a Yes n/a
WAP / Web Browser n/a n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client n/a n/a n/a - n/a
EMS / Picture Messaging n/a n/a n/a Yes n/a
Instant Messaging n/a n/a n/a - n/a
MMS n/a n/a n/a Yes n/a
Text Messaging Templates n/a n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player n/a n/a n/a Yes n/a
Stereo Speakers - - Yes Yes -
Photo & Video
TV Output - - Yes Yes -
Power
Fast Charging - Yes Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a n/a n/a Yes n/a
Calculator n/a n/a n/a Yes n/a
Calendar n/a n/a n/a Yes n/a
To-Do List n/a n/a n/a - n/a
Voice Memo n/a n/a n/a Yes n/a
Software
BREW n/a n/a n/a Yes n/a
Games n/a n/a n/a Yes n/a
Voice
HD Voice - Yes Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung DoubleTime Samsung Galaxy A01 Samsung Galaxy S22 Samsung SCH-A990 Nokia Lumia 521 / 520
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung DoubleTime Samsung Galaxy A01 Samsung Galaxy S22 Samsung SCH-A990 Nokia Lumia 521 / 520

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