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Phone Siemens CT66 / C66 / C65 / C71 / C70 Sony Ericsson K850 Motorola razr (2023) Samsung SCH-A690 Motorola Charm
Current U.S. Carriers (none) (none) AT&T
Boost
US Cellular
Xfinity Mobile
(none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? 2.2" diag.
4 : 3
6.9" diag.
22 : 9
? 2.8" diag.
4 : 3
Display Resolution & Type 130 x 130 pixels
LCD (Color)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2640 pixels
(~413 ppi)
AMOLED
128 x 160 pixels
LCD (STN)
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 144 Hz ? 60 Hz
Battery 600 mAh ? 4,200 mAh 1,300 mAh 1,170 mAh
Processor ? ? 2.5 GHz Snapdragon 7 Gen 1 ? 720 MHz TI OMAP3410
RAM ? ? 8 GB ? ?
Storage ? raw hardware ? raw hardware 128 GB ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel 64 megapixel - 3 megapixel
Wide Camera - - 13 megapixel - -
Tele Camera - - - - -
Video Capture - ? 4K UHD - ?
Front Camera - - 32 megapixel - -
Weight 3 oz
(85g)
4.2 oz
(119g)
6.65 oz
(189g)
4.3 oz
(122g)
3.88 oz
(110g)
Dimensions 4.1" x 1.8" x 0.7"
(104 x 46 x 17.8 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
3.47" x 2.91" x 0.62"
(88 x 74 x 15.8 mm)
3.64" x 1.93" x 1.02"
(92 x 49 x 25.9 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
Form Factor Slab Slab Foldable Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

GSM: 850, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 12, 14, 20, 25, 26, 28, 29, 30, 41, 48, 66, 70, 71, 77-A, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS HSDPA 3.6 NR (5G) 1xRTT HSDPA 3.6
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location - - n/a Yes n/a
Water-Resistant - - Yes
IPX2 (drip)
- -
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - - Yes Yes -
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth - Yes Yes - Yes
Infrared (IR) Yes - - - -
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - - Yes
6E (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a - n/a
Ringer ID Yes Yes n/a - n/a
Voice Dialing - Yes n/a Yes n/a
Customization
Changeable Body Plates Yes - - - -
Custom Graphics Yes Yes n/a - n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers - Yes n/a - n/a
Data & Network
Data Tethering - Yes n/a Yes n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys - Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client - Yes n/a - n/a
EMS / Picture Messaging Yes - n/a - n/a
Instant Messaging - - n/a - n/a
MMS Yes Yes n/a - n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - - - Yes
Music Player - Yes n/a - n/a
Stereo Speakers - - Yes - -
Photo & Video
Miracast - - Yes - -
Video Calling - Yes * n/a - n/a
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List Yes Yes n/a Yes n/a
Voice Memo Yes Yes n/a Yes n/a
Software
BREW - - n/a Yes n/a
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes Yes n/a - n/a
Voice
Call Screening Yes - - Yes -
HD Voice - - Yes - -
Headset Jack (2.5 mm) - - n/a Yes n/a
Push-To-Talk Yes * - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Siemens CT66 / C66 / C65 / C71 / C70 Sony Ericsson K850 Motorola razr (2023) Samsung SCH-A690 Motorola Charm
  X > < X > < X > < X > < X

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

 
Phone Siemens CT66 / C66 / C65 / C71 / C70 Sony Ericsson K850 Motorola razr (2023) Samsung SCH-A690 Motorola Charm

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