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Phone Siemens SL55 BlackBerry Curve 3G 9330 TCL 20 Pro 5G Iris Flip Palm Treo 650 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.5" diag.
4 : 3
6.7" diag.
20 : 9
3.2" diag.
4 : 3
?
Display Resolution & Type 101 x 80 pixels
LCD (STN)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
240 x 320 pixels
(~125 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 500 mAh 1,150 mAh 4,500 mAh 2,000 mAh ?
Processor ? ? 2 GHz Qualcomm Snapdragon 750G Qualcomm 215 312 MHz Intel XScale PXA270
RAM ? ? 6 GB ? ?
Storage ? raw hardware ? raw hardware 256 GB 8 GB ? raw hardware
Main Camera - 2 megapixel 48 megapixel 5 megapixel Yes
Wide Camera - - 16 megapixel - -
Tele Camera - - - - -
Video Capture - ? 4K UHD VGA (640 x 480) QVGA (320 x 240)
Front Camera - - 32 megapixel - -
Weight 2.79 oz
(79g)
3.7 oz
(105g)
6.82 oz
(193g)
5.22 oz
(148g)
6.3 oz
(179g)
Dimensions 3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
4.52" x 2.4" x 0.8"
(115 x 61 x 20.3 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Slide Slab Slab Clamshell Slab
Platform / OS (proprietary) BlackBerry OS Android (proprietary) Palm OS
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

5G: 2, 5, 7, 41, 66, 71, 78

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

CDMA: 850, 1900

Data Technology GPRS EVDO r0 NR (5G) LTE (Cat 4) 1xRTT
Features 
Barometer - - Yes Yes -
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes Yes -
GPS / Location - n/a n/a Yes n/a
Water-Resistant - - Yes
IPX2 (drip)
- -
Accessibility
Adjustable Text Size - n/a n/a Yes n/a
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - Yes - Yes
NFC - - Yes - -
USB - Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
-
Wi-Fi - Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing Yes n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a Yes n/a
Data & Network
Data Tethering Yes n/a n/a - n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a Yes n/a
EMS / Picture Messaging Yes n/a n/a - n/a
Instant Messaging - n/a n/a - n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a - n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a Yes n/a
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games Yes n/a n/a - n/a
Java (J2ME) Yes n/a n/a - n/a
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) - n/a n/a - n/a
Speaker Phone Yes Yes Yes Yes Yes
  Siemens SL55 BlackBerry Curve 3G 9330 TCL 20 Pro 5G Iris Flip Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens SL55 BlackBerry Curve 3G 9330 TCL 20 Pro 5G Iris Flip Palm Treo 650 (CDMA)

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