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Phone Samsung SGH-A437 / A436 Samsung M400 Samsung Galaxy Note20 BLU S1 ZTE MSGM8 II
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 2" diag.
4 : 3
2.4" diag.
4 : 3
6.7" diag.
20 : 9
5.2" diag.
16 : 9
2.2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~102 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
720 x 1280 pixels
(~282 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~130 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 900 mAh 1,000 mAh 4,300 mAh 2,800 mAh 900 mAh
Processor ? 400 MHz Qualcomm QSC6155 3.1 GHz Qualcomm Snapdragon 865+ 1.5 GHz MediaTek 6750 ?
RAM ? 128 MB 8 GB 2 GB ?
Storage ? raw hardware 256 MB 128 GB 16 GB ? raw hardware
Main Camera Yes 1 megapixel 12 megapixel 13 megapixel 1 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 64 megapixel - -
Video Capture - - 8K 1080p HD -
Front Camera - - 10 megapixel 5 megapixel -
Weight 2.9 oz
(82g)
3.7 oz
(105g)
6.84 oz
(194g)
4.83 oz
(137g)
3.65 oz
(104g)
Dimensions 3.74" x 1.89" x 0.63"
(95 x 48 x 16 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
5.8" x 2.87" x 0.33"
(147 x 73 x 8.4 mm)
4.2" x 2.4" x 0.54"
(107 x 61 x 13.7 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

5G: 2, 5, 12, 25, 41, 66, 71, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 5, 7, 12, 17, 25, 26, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

Data Technology EDGE 1xRTT NR (5G) LTE (Cat 6) 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (ultrasonic)
Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location - Yes n/a n/a Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - Yes n/a n/a -
Hearing Aid Compatible Yes * Yes Yes - Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - - Yes - -
USB - Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Mini-USB
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a Yes
Data & Network
Data Tethering Yes - n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a -
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - - Yes -
Messaging
Instant Messaging Yes - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a -
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - Yes -
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
Software
BREW - - n/a n/a Yes
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes - n/a n/a -
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) - - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-A437 / A436 Samsung M400 Samsung Galaxy Note20 BLU S1 ZTE MSGM8 II
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-A437 / A436 Samsung M400 Samsung Galaxy Note20 BLU S1 ZTE MSGM8 II

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