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Phone | Ericsson T28 World | Apple iPhone 4 (CDMA) | AT&T Maestro 3 | PCD CDM-8950 |
Current U.S. Carriers | (none) | (none) | (none) | (none) |
Global Availability | Released | Released | Released | Released |
Specifications | ||||
---|---|---|---|---|
Display Size | ? |
3.5" diag. 5 : 3 |
6.5" diag. 20 : 9 |
2" diag. 4 : 3 |
Display Resolution & Type | ? |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
Display Refresh | ? | 60 Hz | 60 Hz | ? |
Battery | 500 mAh | ? | 3,900 mAh | 920 mAh |
Processor | ? | ? | 2 GHz MediaTek Helio A22 (MT6761) | ? |
RAM | ? | ? | 3 GB | ? |
Storage | ? raw hardware | 8 GB * | 32 GB | ? raw hardware |
Main Camera | - | 5 megapixel | 13 megapixel | 1 megapixel |
Wide Camera | - | - | 5 megapixel | - |
Tele Camera | - | - | - | - |
Video Capture | - | 720p HD | 1080p HD | ? |
Front Camera | - | Yes | 5 megapixel | - |
Weight |
3.14 oz (89g) |
4.8 oz (136g) |
6.24 oz (177g) |
3.2 oz (91g) |
Dimensions |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
3.7" x 1.9" x 0.8" (94 x 48 x 20.3 mm) |
Form Factor | Flip | Slab | Slab | Clamshell |
Platform / OS | (proprietary) | iOS | Android | (proprietary) |
Network Bands |
GSM: 900, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 |
CDMA: 850, 1900 |
Data Technology | - | EVDO rA | LTE (Cat 4) | EVDO r0 |
Features | ||||
Barometer | - | - | Yes | - |
Fingerprint Reader | - | - |
Yes stand-alone |
- |
Flashlight | - | - | Yes | - |
GPS / Location | - | n/a | n/a | Yes |
Accessibility | ||||
Adjustable Text Size | - | n/a | n/a | - |
Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Multiple Languages | - | n/a | n/a | Yes |
TTY/TDD (Digital) | - | - | - | Yes |
Alerts | ||||
Extra Display | - | - | - | Yes |
Ringer Profiles | Yes | - | - | - |
Connectivity | ||||
Bluetooth | - | Yes | Yes | Yes |
Mobile Hotspot | - | n/a | n/a | - |
USB | - | Yes |
Yes USB Type C |
Yes |
Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Contacts | ||||
Picture ID | - | n/a | n/a | Yes |
Ringer ID | - | n/a | n/a | Yes |
Voice Dialing | Yes | n/a | n/a | Yes |
Customization | ||||
Custom Graphics | - | n/a | n/a | Yes |
Custom Ringtones | Yes | n/a | n/a | Yes |
Real-Music Ringers | - | n/a | n/a | Yes |
Data & Network | ||||
Data Tethering | Yes | n/a | n/a | Yes |
WAP / Web Browser | - | n/a | n/a | Yes |
Input | ||||
Predictive Text Entry | - | n/a | n/a | Yes |
Side Keys | Yes | Yes | Yes | Yes |
Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Memory | ||||
Memory Card Slot | - | - | Yes | Yes |
Messaging | ||||
Email Client | - | n/a | n/a | - |
EMS / Picture Messaging | - | n/a | n/a | Yes |
MMS | - | n/a | n/a | Yes |
Text Messaging Templates | - | n/a | n/a | Yes |
Music | ||||
Headphone Jack (3.5mm) | - | Yes | Yes | - |
Music Player | - | n/a | n/a | Yes |
Photo & Video | ||||
TV Output | - | Yes | - | - |
Video Calling | - | n/a | n/a | - |
Productivity | ||||
Alarm | Yes | n/a | n/a | Yes |
Calculator | Yes | n/a | n/a | Yes |
Calendar | - | n/a | n/a | Yes |
Voice Memo | - | n/a | n/a | Yes |
Software | ||||
BREW | - | n/a | n/a | Yes |
Games | Yes | n/a | n/a | Yes |
Voice | ||||
HD Voice | - | - | Yes | - |
Headset Jack (2.5 mm) | - | n/a | n/a | Yes |
Speaker Phone | - | Yes | Yes | Yes |
Ericsson T28 World | Apple iPhone 4 (CDMA) | AT&T Maestro 3 | PCD CDM-8950 |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Ericsson T28 World | Apple iPhone 4 (CDMA) | AT&T Maestro 3 | PCD CDM-8950 |