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| Phone | Samsung Knack U310 | Apple iPhone 12 Pro Max | Ericsson T28 World | BLU S1 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
6.7" diag. 19.5 : 9 |
? |
5.2" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
1284 x 2778 pixels (~457 ppi) AMOLED |
? |
720 x 1280 pixels (~282 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,000 mAh | 3,687 mAh | 500 mAh | 2,800 mAh |
| Processor | ? | Apple A14 Bionic | ? | 1.5 GHz MediaTek 6750 |
| RAM | ? | 6 GB | ? | 2 GB |
| Storage | ? raw hardware | 128 GB * | ? raw hardware | 16 GB |
| Main Camera | - | 12 megapixel | - | 13 megapixel |
| Wide Camera | - | 12 megapixel | - | - |
| Tele Camera | - | 12 megapixel | - | - |
| Video Capture | - | 4K UHD | - | 1080p HD |
| Front Camera | - | 12 megapixel | - | 5 megapixel |
| Weight |
3.63 oz (103g) |
8.03 oz (228g) |
3.14 oz (89g) |
4.83 oz (137g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
6.33" x 3.07" x 0.29" (161 x 78 x 7.4 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
5.8" x 2.87" x 0.33" (147 x 73 x 8.4 mm) |
| Form Factor | Clamshell | Slab | Flip | Slab |
| Platform / OS | (proprietary) | iOS | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78, 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 |
GSM: 900, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 17, 25, 26, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | NR (5G) | - | LTE (Cat 6) |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | Yes | n/a | - | n/a |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | - | n/a |
| Hearing Aid Compatible | Yes | Yes | - | - |
| Multiple Languages | Yes | n/a | - | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
- |
Yes Classic Audio |
| NFC | - | Yes | - | - |
| USB | - | Yes | - |
Yes Micro-USB |
| UWB | - | Yes | - | - |
| Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Voice Dialing | Yes | n/a | Yes | n/a |
| Customization | ||||
| Custom Ringtones | - | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | n/a |
| Dual-SIM | - | Yes | - | - |
| Input | ||||
| Predictive Text Entry | Yes | n/a | - | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | 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 | - | n/a |
| Software | ||||
| Games | - | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | - | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung Knack U310 | Apple iPhone 12 Pro Max | Ericsson T28 World | BLU S1 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Apple iPhone 12 Pro Max | Ericsson T28 World | BLU S1 |
