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| Phone | Samsung M520 | Motorola V551 / V330 / V547 / V555 / V557 | Motorola moto g stylus (2021) | UTStarcom Super Slice / CDM-1450 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? |
6.8" diag. 20 : 9 |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~387 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 820 mAh | 4,000 mAh | 900 mAh |
| Processor | ? | ? | Qualcomm Snapdragon 678 | ? |
| RAM | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | 1 megapixel | Yes | 12 megapixel | Yes |
| Wide Camera | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | 4K UHD | - |
| Front Camera | - | - | 16 megapixel | - |
| Weight |
2.75 oz (78g) |
4.23 oz (120g) |
7.6 oz (215g) |
2.5 oz (71g) |
| Dimensions |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
6.69" x 3.08" x 0.37" (170 x 78 x 9.4 mm) |
4.4" x 1.9" x 0.4" (112 x 48 x 10.2 mm) |
| Form Factor | Slide | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 29, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 1900 |
| Data Technology | EVDO r0 | EDGE | LTE (Cat 15) | 1xRTT |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | - | n/a | Yes |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes |
| USB | Yes | Yes |
Yes USB Type C |
- |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | Yes | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | - |
| External Antenna Jack | - | - | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | - | Yes | n/a | - |
| EMS / Picture Messaging | - | Yes | n/a | Yes |
| Instant Messaging | - | Yes | n/a | Yes |
| MMS | - | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | - | n/a | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | n/a | - |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung M520 | Motorola V551 / V330 / V547 / V555 / V557 | Motorola moto g stylus (2021) | UTStarcom Super Slice / CDM-1450 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung M520 | Motorola V551 / V330 / V547 / V555 / V557 | Motorola moto g stylus (2021) | UTStarcom Super Slice / CDM-1450 |










