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| Phone | Samsung SPH-Z400 | LG Spectrum | Samsung Galaxy S21 | Sonim XP3plus |
| Current U.S. Carriers | (none) | (none) | Verizon |
AT&T T-Mobile Verizon |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
4.5" diag. 16 : 9 |
6.2" diag. 20 : 9 |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~150 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 120 Hz | 60 Hz |
| Battery | 1,300 mAh | 1,830 mAh | 4,000 mAh | 2,300 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S3 | 2.8 GHz Qualcomm Snapdragon 888 | 2 GHz Qualcomm Snapdragon 662 (SM6115) |
| RAM | ? | 1 GB | 8 GB | 2 GB |
| Storage | ? raw hardware | 4 GB | 128 GB * | 16 GB |
| Main Camera | 1 megapixel | 8 megapixel | 12 megapixel | 8 megapixel |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 64 megapixel | - |
| Video Capture | QCIF (176 x 144) | 1080p HD | 8K | 1080p HD |
| Front Camera | - | 1 megapixel | 10 megapixel | - |
| Weight |
4.06 oz (115g) |
4.99 oz (141g) |
6.03 oz (171g) |
7.76 oz (220g) |
| Dimensions |
3.73" x 1.91" x 1" (95 x 49 x 25.4 mm) |
5.33" x 2.71" x 0.42" (135 x 69 x 10.7 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.57" x 2.36" x 1.1" (116 x 60 x 28 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 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 |
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| Data Technology | EVDO rA | LTE (Cat 3) | NR (5G) | LTE (Cat 13) |
| Features | ||||
| Barometer | - | - | Yes | Yes |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | Yes | n/a | n/a | Yes |
| Ruggedized | Yes | - | - | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | Yes |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | Yes |
| NFC | - | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
| 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 | 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 |
| Custom Ringtones | Yes | n/a | n/a | - |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | - | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | n/a | Yes |
| Stereo Speakers | Yes | - | Yes | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| Games | Yes | n/a | n/a | - |
| Java (J2ME) | Yes | n/a | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - |
| Push-To-Talk | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SPH-Z400 | LG Spectrum | Samsung Galaxy S21 | Sonim XP3plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-Z400 | LG Spectrum | Samsung Galaxy S21 | Sonim XP3plus |
