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Phone Apple iPhone 12 Pro Max ZTE Grand X 3 LG AX-4270 / VX-4270 Cricket Debut S2 / AT&T Calypso 4 Ericsson R278d
Current U.S. Carriers (none) (none) (none) AT&T (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.7" diag.
19.5 : 9
5.5" diag.
16 : 9
? 6.1" diag.
19.5 : 9
?
Display Resolution & Type 1284 x 2778 pixels
(~457 ppi)
AMOLED
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
101 x 40 pixels
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery 3,687 mAh 3,080 mAh ? 3,000 mAh ?
Processor Apple A14 Bionic 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2 GHz MediaTek Helio A22 (MT6761WB) ?
RAM 6 GB 2 GB ? 3 GB ?
Storage 128 GB * 16 GB ? raw hardware 64 GB ? raw hardware
Main Camera 12 megapixel 8 megapixel - 8 megapixel -
Wide Camera 12 megapixel - - - -
Tele Camera 12 megapixel - - - -
Video Capture 4K UHD 720p HD - ? -
Front Camera 12 megapixel 2 megapixel - 5 megapixel -
Weight 8.03 oz
(228g)
6 oz
(170g)
3.21 oz
(91g)
5.64 oz
(160g)
9.28 oz
(263g)
Dimensions 6.33" x 3.07" x 0.29"
(161 x 78 x 7.4 mm)
6.07" x 2.99" x 0.37"
(154 x 76 x 9.4 mm)
3.27" x 1.76" x 0.91"
(83 x 45 x 23.1 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS iOS Android (proprietary) Android (proprietary)
Network Bands

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

4G LTE: 2, 4, 5, 12

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

TDMA: 850, 1900

AMPS: 850

Data Technology NR (5G) LTE (Cat 4) 1xRTT LTE (Cat 4) -
Features 
Barometer Yes - - - -
Flashlight Yes Yes - Yes -
GPS / Location n/a n/a Yes n/a -
Water-Resistant Yes
IPX8 (SCUBA)
- - - -
Accessibility
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
-
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display - - Yes - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes - Yes -
NFC Yes - - - -
USB Yes Yes
USB Type C
- Yes
USB Type C
-
UWB Yes - - - -
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a n/a Yes n/a -
Ringer ID n/a n/a Yes n/a -
Voice Dialing n/a n/a Yes n/a -
Customization
Custom Graphics n/a n/a Yes n/a -
Custom Ringtones n/a n/a Yes n/a Yes
Data & Network
Data Tethering n/a n/a Yes n/a Yes
Dual-SIM Yes - - - -
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot - Yes - Yes -
Messaging
MMS n/a n/a Yes n/a -
Text Messaging Templates n/a n/a Yes n/a -
Music
Headphone Jack (3.5mm) - Yes - Yes -
Stereo Speakers Yes - - - -
Photo & Video
TV Output Yes - - - -
Power
Fast Charging Yes Yes - Yes -
Wireless Charging Yes - - - -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a -
Calendar n/a n/a Yes n/a -
Voice Memo n/a n/a Yes n/a -
Software
BREW n/a n/a Yes n/a -
Games n/a n/a Yes n/a -
Voice
HD Voice Yes Yes - Yes -
Headset Jack (2.5 mm) n/a n/a Yes n/a -
Speaker Phone Yes Yes Yes Yes -
  Apple iPhone 12 Pro Max ZTE Grand X 3 LG AX-4270 / VX-4270 Cricket Debut S2 / AT&T Calypso 4 Ericsson R278d
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 12 Pro Max ZTE Grand X 3 LG AX-4270 / VX-4270 Cricket Debut S2 / AT&T Calypso 4 Ericsson R278d

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