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| Phone | Samsung SCH-A990 | AT&T Calypso | Boost Celero5G (2024) | LG Optimus S / Optimus U / Optimus V |
| Current U.S. Carriers | (none) | (none) | Boost | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 18 : 9 |
6.5" diag. 20 : 9 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 90 Hz | 60 Hz |
| Battery | 1,000 mAh | 2,500 mAh | 5,000 mAh | 1,500 mAh |
| Processor | ? | 1.5 GHz MediaTek MT6739 | 2.5 GHz MediaTek Dimensity 1050 (MT6879) | 600 MHz Qualcomm S1 MSM7627 |
| RAM | ? | 1 GB | 6 GB | ? |
| Storage | ? raw hardware | 16 GB | 128 GB | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | 50 megapixel | 3 megapixel |
| Wide Camera | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 1080p HD | 1080p HD | VGA (640 x 480) |
| Front Camera | - | 5 megapixel | 8 megapixel | - |
| Weight |
4.4 oz (125g) |
6 oz (170g) |
7.23 oz (205g) |
4.6 oz (130g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
6.55" x 2.96" x 0.35" (166 x 75 x 8.9 mm) |
4.47" x 2.32" x 0.52" (114 x 59 x 13.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 26, 29, 30, 41, 48, 66, 70, 71, 77-C 4G LTE: 2, 4, 5, 12, 14, 26, 29, 30, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 4) | NR (5G) | EVDO rA |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX2 (drip) |
- |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a |
| NFC | - | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | Yes | n/a | n/a | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a |
| Software | ||||
| BREW | Yes | n/a | n/a | n/a |
| Games | Yes | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SCH-A990 | AT&T Calypso | Boost Celero5G (2024) | LG Optimus S / Optimus U / Optimus V | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | AT&T Calypso | Boost Celero5G (2024) | LG Optimus S / Optimus U / Optimus V |
