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Phone Amazon Fire Nokia E66 T-Mobile REVVL 7 5G ZTE Obsidian
Current U.S. Carriers (none) (none) Metro
T-Mobile
(none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
2.4" diag.
4 : 3
6.6" diag.
20 : 9
4.5" diag.
16 : 9
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2408 pixels
(~401 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz 60 Hz
Battery 2,400 mAh 1,000 mAh 5,000 mAh 1,800 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? 2.2 GHz Snapdragon 6 Gen 1 1 GHz MediaTek / MT6735M
RAM 2 GB ? 6 GB 1 GB
Storage 32 GB * ? raw hardware 128 GB 8 GB
Main Camera 13 megapixel 3 megapixel 50 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD QVGA (320 x 240) 2K / Quad HD 720p HD
Front Camera 2 megapixel - 8 megapixel 2 megapixel
Weight 5.64 oz
(160g)
4.27 oz
(121g)
7.27 oz
(206g)
4.66 oz
(132g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.21" x 1.93" x 0.51"
(107 x 49 x 13 mm)
6.59" x 3.05" x 0.36"
(167 x 77 x 9.1 mm)
5.41" x 2.7" x 0.39"
(137 x 69 x 10 mm)
Form Factor Slab Slide Slab Slab
Platform / OS (proprietary) S60 (Symbian) Android Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

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

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) HSDPA 3.6 NR (5G) LTE (Cat 4)
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight Yes - Yes Yes
GPS / Location Yes n/a n/a n/a
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes - - Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - -
Mobile Hotspot Yes n/a n/a n/a
NFC Yes - Yes -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
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 n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics - n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers - n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
Dual-SIM - - Yes -
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client Yes n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) Yes - Yes Yes
Music Player Yes n/a n/a n/a
Stereo Speakers Yes - Yes -
Photo & Video
Miracast Yes - - -
TV Output Yes - - -
Video Calling - n/a n/a n/a
Power
Fast Charging - - Yes -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List - n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) - 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
  * Some versions only
  Amazon Fire Nokia E66 T-Mobile REVVL 7 5G ZTE Obsidian
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Phone Amazon Fire Nokia E66 T-Mobile REVVL 7 5G ZTE Obsidian

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