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Phone Ericsson T66 Palm Treo Pro (GSM) BlackBerry Storm2 9550 Nokia Lumia 635 (CDMA) Samsung Galaxy A23 5G
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.3" diag.
4 : 3
4.5" diag.
16 : 9
6.6" diag.
20 : 9
Display Resolution & Type ? 320 x 320 pixels
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1080 x 2408 pixels
(~400 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 120 Hz
Battery ? 1,500 mAh 1,400 mAh 1,830 mAh 5,000 mAh
Processor ? 400 MHz MSM7201 ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 2.2 GHz Snapdragon 695
RAM ? ? ? 512 MB 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB 64 GB
Main Camera - 2 megapixel 3 megapixel 5 megapixel 50 megapixel
Wide Camera - - - - 5 megapixel
Tele Camera - - - - -
Video Capture - ? ? 720p HD 1080p HD
Front Camera - - - - 8 megapixel
Weight 2.08 oz
(59g)
4.69 oz
(133g)
5.64 oz
(160g)
4.73 oz
(134g)
6.87 oz
(195g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
6.47" x 3.02" x 0.33"
(164 x 77 x 8.4 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Windows Mobile Professional BlackBerry OS Windows Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

5G: 2, 5, 25, 30, 41, 48, 66, 70, 71, 77-C

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 29, 30, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology - HSDPA 3.6 EVDO rA LTE (Cat 3) NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location - n/a n/a n/a n/a
Water-Resistant - - - - Yes
IPX7 (snorkeling)
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - - Yes
USB - Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
802.11 b,g
Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - n/a n/a n/a n/a
Ringer ID - n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - Yes - - -
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS - n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player - n/a n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - - Yes -
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo - n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) - n/a n/a n/a n/a
Voice
HD Voice - - - - Yes
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Ericsson T66 Palm Treo Pro (GSM) BlackBerry Storm2 9550 Nokia Lumia 635 (CDMA) Samsung Galaxy A23 5G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T66 Palm Treo Pro (GSM) BlackBerry Storm2 9550 Nokia Lumia 635 (CDMA) Samsung Galaxy A23 5G

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