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| Phone | ZTE Prelude / Avail 2 | CAT S61 | Apple iPhone 4S |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
5.2" diag. 16 : 9 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,500 mAh | 4,500 mAh | ? |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | 2.2 GHz Qualcomm Snapdragon 630 | Apple A5 |
| RAM | 512 MB | 4 GB | ? |
| Storage | 4 GB | 64 GB | 64 GB * |
| Main Camera | 2 megapixel | 16 megapixel | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | VGA (640 x 480) | 4K UHD | 1080p HD |
| Front Camera | - | 8 megapixel | Yes |
| Weight |
4.4 oz (125g) |
9.03 oz (256g) |
4.9 oz (139g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
5.91" x 2.99" x 0.51" (150 x 76 x 13 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
| Platform / OS | Android | Android | iOS |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | LTE (Cat 13) | HSPA 14.4 |
| Features | |||
| Barometer | - | Yes | - |
| Flashlight | - | Yes | - |
| Ruggedized | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | Yes | - |
| 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) |
Yes 4 (802.11 b,g,n) |
| Data & Network | |||
| Dual-SIM | - | Yes * | - |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| TV Output | - | - | Yes |
| Power | |||
| Fast Charging | - | Yes | - |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| ZTE Prelude / Avail 2 | CAT S61 | Apple iPhone 4S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | CAT S61 | Apple iPhone 4S |
