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| Phone | ZTE Whirl | Samsung SCH-A990 | Sony Ericsson Z550a | Motorola razr (2019) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
1.9" diag. 4 : 3 |
6.2" diag. 22 : 9 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
876 x 2142 pixels (~373 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 1,300 mAh | 1,000 mAh | ? | 2,510 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S1 MSM7225A | ? | ? | 2.2 GHz Qualcomm Snapdragon 710 |
| RAM | 512 MB | ? | ? | 6 GB |
| Storage | 4 GB | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | 3 megapixel | 3 megapixel | 1 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | ? | ? | 1080p HD |
| Front Camera | - | - | - | 5 megapixel |
| Weight |
4.2 oz (119g) |
4.4 oz (125g) |
3.26 oz (92g) |
7.23 oz (205g) |
| Dimensions |
4.57" x 2.4" x 0.5" (116 x 61 x 12.7 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
3.7" x 2.83" x 0.55" (94 x 72 x 14 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Foldable |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
WCDMA: 2, 4, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 13, 20, 28, 66 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | ? | EVDO r0 | GPRS | LTE (Cat 15) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | n/a | Yes | - | n/a |
| Water-Resistant | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- | - |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | Yes | n/a |
| EMS / Picture Messaging | n/a | Yes | - | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | Yes | Yes | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | - | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| BREW | n/a | Yes | - | n/a |
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | - | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Push-To-Talk | - | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Whirl | Samsung SCH-A990 | Sony Ericsson Z550a | Motorola razr (2019) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Whirl | Samsung SCH-A990 | Sony Ericsson Z550a | Motorola razr (2019) |
