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Phone Samsung SGH-P850 / P858 Ericsson T66 Samsung SGH-A657 Sonim XP5plus
Current U.S. Carriers (none) (none) (none) AT&T
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? 2.8" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
? 176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 950 mAh ? 1,420 mAh 3,500 mAh
Processor ? ? ? 2 GHz Snapdragon 662
RAM ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB
Main Camera 3 megapixel - - 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - - 1080p HD
Front Camera - - - -
Weight 4.23 oz
(120g)
2.08 oz
(59g)
4.34 oz
(123g)
9.7 oz
(275g)
Dimensions 3.77" x 1.86" x 0.96"
(96 x 47 x 24.4 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
5.85" x 2.59" x 0.83"
(149 x 66 x 21 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 30, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EDGE - HSDPA 3.6 LTE (Cat 13)
Features 
Barometer - - - Yes
Flashlight - - Yes Yes
GPS / Location - - Yes Yes
Ruggedized - - Yes Yes
Water-Resistant - - - Yes
IPX9 (dishwasher)
Accessibility
Adjustable Text Size - - - Yes
Hearing Aid Compatible - - - Yes
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - - Yes
USB Yes - Yes Yes
USB Type C
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes - Yes Yes
Ringer ID Yes - Yes Yes
Voice Dialing - - - Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers Yes - Yes Yes
Data & Network
Data Tethering - - Yes Yes
Dual-SIM - - - Yes
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client Yes - Yes -
EMS / Picture Messaging - Yes - -
Instant Messaging - - Yes -
MMS Yes - Yes Yes
Text Messaging Templates Yes Yes Yes Yes
Music
FM Radio - - - Yes
Music Player Yes - Yes Yes
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List - Yes Yes -
Voice Memo Yes - Yes Yes
Software
Games Yes Yes Yes -
Java (J2ME) Yes - Yes -
Voice
HD Voice - - - Yes
Push-To-Talk - - Yes Yes
Speaker Phone Yes - Yes Yes
  Samsung SGH-P850 / P858 Ericsson T66 Samsung SGH-A657 Sonim XP5plus
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-P850 / P858 Ericsson T66 Samsung SGH-A657 Sonim XP5plus

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