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Phone Ericsson T28 World Nokia 6255i / 6256i T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G BlackBerry 6510
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 6.8" diag.
20.5 : 9
?
Display Resolution & Type ? 128 x 160 pixels
LCD (TFT/TFD)
720 x 1640 pixels
(~263 ppi)
LCD (TFT/TFD)
160 x 100 pixels
Display Refresh ? ? 60 Hz ?
Battery 500 mAh 1,070 mAh 5,000 mAh 900 mAh
Processor ? ? MediaTek Dimensity 700 (MT6833) ?
RAM ? ? 6 GB ?
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware
Main Camera - Yes 50 megapixel -
Wide Camera - - 5 megapixel -
Tele Camera - - - -
Video Capture - ? 2K / Quad HD -
Front Camera - - 16 megapixel -
Weight 3.14 oz
(89g)
4.23 oz
(120g)
7.47 oz
(212g)
5.64 oz
(160g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.36" x 1.87" x 0.97"
(85 x 47 x 24.6 mm)
6.84" x 3.05" x 0.35"
(174 x 77 x 8.9 mm)
4.53" x 2.95" x 0.95"
(115 x 75 x 24.1 mm)
Form Factor Flip Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) Android BlackBerry OS
Network Bands

GSM: 900, 1900

CDMA: 850, 1900

AMPS: 850

5G: 25, 41, 66, 71, 77-C

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

iDEN: 800

Data Technology - 1xRTT NR (5G) -
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes -
GPS / Location - Yes n/a n/a
Accessibility
Hearing Aid Compatible - Yes Yes -
Multiple Languages - Yes n/a n/a
TTY/TDD (Digital) - Yes Yes -
Alerts
Extra Display - Yes - -
Ringer Profiles Yes Yes - Yes
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - Yes - -
NFC - - Yes -
USB - Yes Yes
USB Type C
Yes
Mini-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - Yes n/a n/a
Ringer ID - Yes n/a n/a
Voice Dialing Yes Yes n/a n/a
Customization
Custom Graphics - Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - Yes n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a
WAP / Web Browser - Yes n/a n/a
Input
Predictive Text Entry - Yes n/a n/a
Side Keys Yes Yes Yes -
Text Keyboard, Hardware - - - Yes
Touch Screen - - Yes -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - Yes n/a n/a
EMS / Picture Messaging - Yes * n/a n/a
MMS - Yes n/a n/a
Text Messaging Templates - Yes n/a n/a
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - - Yes -
Music Player - Yes * n/a n/a
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar - Yes n/a n/a
To-Do List - Yes n/a n/a
Voice Memo - Yes n/a n/a
Software
BREW - Yes * n/a n/a
Games Yes Yes n/a n/a
Java (J2ME) - Yes * n/a n/a
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) - Yes n/a n/a
Push-To-Talk - - - Yes
Speaker Phone - Yes Yes -
  * Some versions only
  Ericsson T28 World Nokia 6255i / 6256i T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G BlackBerry 6510
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Phone Ericsson T28 World Nokia 6255i / 6256i T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G BlackBerry 6510

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