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| Phone | ZTE Prelude / Avail 2 | Samsung SCH-A990 | Google Pixel 2 XL | TCL ION Z | Nokia 2855i |
| Current U.S. Carriers | (none) | (none) | (none) | US Cellular | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
6" diag. 18 : 9 |
5.5" diag. 18 : 9 |
? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1440 x 2880 pixels (~537 ppi) AMOLED |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,500 mAh | 1,000 mAh | 3,520 mAh | 3,000 mAh | ? |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | ? | 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) | 2 GHz MediaTek Helio A22 (6761V) | ? |
| RAM | 512 MB | ? | 4 GB | 3 GB | ? |
| Storage | 4 GB | ? raw hardware | 64 GB * | 32 GB | ? raw hardware |
| Main Camera | 2 megapixel | 3 megapixel | 12 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | ? | 4K UHD | 1080p HD | - |
| Front Camera | - | - | 8 megapixel | 2 megapixel | - |
| Weight |
4.4 oz (125g) |
4.4 oz (125g) |
6.17 oz (175g) |
6.88 oz (195g) |
3.7 oz (105g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.22" x 3.02" x 0.31" (158 x 77 x 7.9 mm) |
5.76" x 2.82" x 0.4" (146 x 72 x 10.2 mm) |
3.34" x 1.79" x 0.98" (85 x 45 x 24.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | HSPA 7.2 | EVDO r0 | LTE (Cat 15) | LTE (Cat 4) | 1xRTT |
| Features | |||||
| Barometer | - | - | Yes | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | Yes | - |
| GPS / Location | n/a | Yes | n/a | n/a | Yes |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX7 (snorkeling) |
Yes IPX2 (drip) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes | - | - |
| USB | Yes | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | - |
| Ringer ID | n/a | Yes | n/a | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | - |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | Yes |
| Instant Messaging | n/a | - | n/a | n/a | - |
| MMS | n/a | Yes | n/a | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | n/a | Yes | n/a | n/a | - |
| Stereo Speakers | - | Yes | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | Yes |
| Calculator | n/a | Yes | n/a | n/a | Yes |
| Calendar | n/a | Yes | n/a | n/a | Yes |
| To-Do List | n/a | - | n/a | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | Yes | n/a | n/a | Yes * |
| Games | n/a | Yes | n/a | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | n/a | Yes * |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Prelude / Avail 2 | Samsung SCH-A990 | Google Pixel 2 XL | TCL ION Z | Nokia 2855i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | Samsung SCH-A990 | Google Pixel 2 XL | TCL ION Z | Nokia 2855i |
