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| Phone | Motorola Rambler | Asus Zenfone 8 | AT&T Calypso | Kyocera 3225 | ZTE Z431 / Altair |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
5.9" diag. 20 : 9 |
5.5" diag. 18 : 9 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~446 ppi) AMOLED |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 120 Hz | 60 Hz | ? | ? |
| Battery | 950 mAh | 4,000 mAh | 2,500 mAh | ? | 1,000 mAh |
| Processor | ? | 2.8 GHz Qualcomm Snapdragon 888 | 1.5 GHz MediaTek MT6739 | ? | ? |
| RAM | ? | 8 GB | 1 GB | ? | ? |
| Storage | ? raw hardware | 128 GB * | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 64 megapixel | 5 megapixel | - | 2 megapixel |
| Wide Camera | - | 12 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 8K | 1080p HD | - | QVGA (320 x 240) |
| Front Camera | - | 12 megapixel | 5 megapixel | - | - |
| Weight |
3.81 oz (108g) |
5.96 oz (169g) |
6 oz (170g) |
4.23 oz (120g) |
3.52 oz (100g) |
| Dimensions |
3.7" x 2.24" x 0.7" (94 x 57 x 17.8 mm) |
5.83" x 2.7" x 0.35" (148 x 69 x 8.9 mm) |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | NR (5G) | LTE (Cat 4) | 1xRTT | ? |
| Features | |||||
| Fingerprint Reader | - |
Yes in-display (optical) |
- | - | - |
| Flashlight | - | Yes | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | Yes | Yes |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | - | Yes |
| NFC | - | Yes | - | - | - |
| USB |
Yes Mini-USB |
Yes USB Type C |
Yes USB Type C |
- |
Yes Micro-USB |
| Wi-Fi | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | Yes |
| Ringer ID | Yes | n/a | n/a | - | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | Yes |
| Dual-SIM | - | Yes | - | - | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | - | Yes |
| EMS / Picture Messaging | - | n/a | n/a | Yes | - |
| Instant Messaging | Yes | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | - | Yes |
| Text Messaging Templates | Yes | n/a | n/a | - | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | - | Yes |
| Stereo Speakers | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | n/a | - | Yes |
| Software | |||||
| BREW | - | n/a | n/a | Yes | Yes |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | - | - |
| Voice | |||||
| HD Voice | - | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Motorola Rambler | Asus Zenfone 8 | AT&T Calypso | Kyocera 3225 | ZTE Z431 / Altair | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Rambler | Asus Zenfone 8 | AT&T Calypso | Kyocera 3225 | ZTE Z431 / Altair |
