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| Phone | Samsung Rugby A837 | Coolpad Defiant | Ericsson T66 | Apple iPhone 13 Pro Max |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
5" diag. 16 : 9 |
? |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
? |
1284 x 2778 pixels (~457 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 120 Hz |
| Battery | 1,000 mAh | 2,450 mAh | ? | 4,352 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? | Apple A15 Bionic |
| RAM | ? | 1 GB | ? | 6 GB |
| Storage | ? raw hardware | 8 GB | ? raw hardware | 128 GB * |
| Main Camera | 1 megapixel | 5 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | 12 megapixel |
| Video Capture | QCIF (176 x 144) | 720p HD | - | 4K UHD |
| Front Camera | - | 2 megapixel | - | 12 megapixel |
| Weight |
4.66 oz (132g) |
6.5 oz (184g) |
2.08 oz (59g) |
8.46 oz (240g) |
| Dimensions |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
6.33" x 3.07" x 0.3" (161 x 78 x 7.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | iOS |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77-C, 78, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | LTE (Cat 4) | - | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | Yes | n/a | - | n/a |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
- | - |
| UWB | - | - | - | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | - | n/a |
| Ringer ID | Yes | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | Yes | n/a | - | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a |
| Instant Messaging | Yes | n/a | - | n/a |
| MMS | Yes | n/a | - | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | - | n/a |
| Stereo Speakers | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | - | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | - | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung Rugby A837 | Coolpad Defiant | Ericsson T66 | Apple iPhone 13 Pro Max | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Rugby A837 | Coolpad Defiant | Ericsson T66 | Apple iPhone 13 Pro Max |
