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| Phone | Samsung DoubleTime | Apple iPhone 15 | Samsung Gravity TXT | Sonim XP3plus | Ericsson R278d |
| Current U.S. Carriers | (none) |
AT&T Boost Cricket Metro Spectrum Mobile T-Mobile US Cellular Verizon Xfinity Mobile |
(none) |
AT&T T-Mobile Verizon |
(none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
6.1" diag. 19.5 : 9 |
2.4" diag. 4 : 3 |
2.8" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
1179 x 2556 pixels (~461 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,200 mAh | ? | 1,000 mAh | 2,300 mAh | ? |
| Processor | 600 MHz Qualcomm | Apple A16 Bionic | ? | 2 GHz Qualcomm Snapdragon 662 (SM6115) | ? |
| RAM | ? | ? | ? | 2 GB | ? |
| Storage | ? raw hardware | 128 GB * | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 3 megapixel | 48 megapixel | 2 megapixel | 8 megapixel | - |
| Wide Camera | - | 12 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | QVGA (320 x 240) | 1080p HD | - |
| Front Camera | - | 12 megapixel | - | - | - |
| Weight |
5.22 oz (148g) |
6.02 oz (171g) |
3.95 oz (112g) |
7.76 oz (220g) |
9.28 oz (263g) |
| Dimensions |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
5.81" x 2.82" x 0.31" (148 x 72 x 7.9 mm) |
4.41" x 2.09" x 0.55" (112 x 53 x 14 mm) |
4.57" x 2.36" x 1.1" (116 x 60 x 28 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Clamshell | Slab | Slide | Clamshell | Slab |
| Platform / OS | Android | iOS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 77-A, 77-C, 78, 79, 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, 42, 46, 48, 53, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 30, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | HSPA 7.2 | NR (5G) | HSPA 7.2 | LTE (Cat 13) | - |
| Features | |||||
| Barometer | - | Yes | - | Yes | - |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | n/a | n/a | Yes | Yes | - |
| Ruggedized | - | - | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | - | Yes | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | - | Yes | - |
| NFC | - | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
- |
| UWB | - | Yes | - | - | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | Yes | - |
| Ringer ID | n/a | n/a | Yes | Yes | - |
| Voice Dialing | n/a | n/a | Yes | Yes | - |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | Yes | - |
| Custom Ringtones | n/a | n/a | Yes | - | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | - | Yes | Yes |
| Dual-SIM | - | Yes | - | - | - |
| Satellite | - | Yes | - | - | - |
| WAP / Web Browser | n/a | n/a | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | n/a | Yes | - | - |
| Instant Messaging | n/a | n/a | Yes | - | - |
| MMS | n/a | n/a | Yes | Yes | - |
| Text Messaging Templates | n/a | n/a | Yes | Yes | - |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | - |
| Music Player | n/a | n/a | Yes | Yes | - |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Wireless Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes | - |
| Calendar | n/a | n/a | Yes | Yes | - |
| Voice Memo | n/a | n/a | Yes | Yes | - |
| Software | |||||
| Games | n/a | n/a | Yes | - | - |
| Java (J2ME) | n/a | n/a | Yes | - | - |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | - |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung DoubleTime | Apple iPhone 15 | Samsung Gravity TXT | Sonim XP3plus | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung DoubleTime | Apple iPhone 15 | Samsung Gravity TXT | Sonim XP3plus | Ericsson R278d |
