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Phone AT&T Calypso Ericsson R278d Google Pixel 6a Siemens M55 Nokia N97 mini
Current U.S. Carriers (none) (none) TracFone
Verizon
(none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.5" diag.
18 : 9
? 6.1" diag.
20 : 9
? 3.2" diag.
16 : 9
Display Resolution & Type 480 x 960 pixels
(~195 ppi)
LCD (TFT/TFD)
101 x 40 pixels 1080 x 2400 pixels
(~431 ppi)
AMOLED
101 x 80 pixels
LCD (Color)
360 x 640 pixels
(~229 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 2,500 mAh ? 4,410 mAh 700 mAh 1,200 mAh
Processor 1.5 GHz MediaTek MT6739 ? Google Tensor ? 434 MHz ARM 11
RAM 1 GB ? 6 GB ? ?
Storage 16 GB ? raw hardware 128 GB ? raw hardware 8 GB
Main Camera 5 megapixel - 12 megapixel - 5 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - - - -
Video Capture 1080p HD - 4K UHD - VGA (640 x 480)
Front Camera 5 megapixel - 8 megapixel - -
Weight 6 oz
(170g)
9.28 oz
(263g)
6.3 oz
(179g)
2.93 oz
(83g)
4.87 oz
(138g)
Dimensions 5.91" x 2.87" x 0.39"
(150 x 73 x 9.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
6" x 2.8" x 0.35"
(152 x 71 x 8.9 mm)
3.98" x 1.81" x 0.83"
(101 x 46 x 21.1 mm)
4.45" x 2.07" x 0.56"
(113 x 52 x 14.2 mm)
Form Factor Slab Slab Slab Slab Slide
Platform / OS Android (proprietary) Android (proprietary) S60 (Symbian)
Network Bands

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 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, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 4) - NR (5G) GPRS HSDPA 3.6
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight Yes - Yes - -
GPS / Location n/a - n/a Yes n/a
Water-Resistant - - Yes
IPX7 (snorkeling)
- -
Accessibility
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
- -
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes - Yes - Yes
NFC - - Yes - -
USB Yes
USB Type C
- Yes
USB Type C
- Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
6E (802.11 a,ac,ax,b,g,n)
- Yes
802.11 b,g
Contacts
Picture ID n/a - n/a - n/a
Ringer ID n/a - n/a - 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 Yes n/a Yes n/a
Real-Music Ringers n/a - n/a - n/a
Data & Network
Data Tethering n/a Yes n/a Yes n/a
Dual-SIM - - Yes - -
WAP / Web Browser n/a Yes n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
- Yes
Resistive
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - n/a Yes n/a
EMS / Picture Messaging n/a - n/a Yes n/a
MMS n/a - n/a Yes n/a
Text Messaging Templates n/a - n/a - n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - n/a - n/a
Stereo Speakers - - Yes - Yes
Photo & Video
TV Output - - - - Yes
Video Calling n/a - n/a - n/a
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a Yes n/a - n/a
Calculator n/a - n/a - n/a
Calendar n/a - n/a Yes n/a
To-Do List n/a - n/a - n/a
Voice Memo n/a - n/a - n/a
Software
Games n/a - n/a Yes n/a
Java (J2ME) n/a - n/a Yes n/a
Voice
HD Voice Yes - Yes - -
Speaker Phone Yes - Yes Yes Yes
  AT&T Calypso Ericsson R278d Google Pixel 6a Siemens M55 Nokia N97 mini
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Phone AT&T Calypso Ericsson R278d Google Pixel 6a Siemens M55 Nokia N97 mini

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