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| Phone | Samsung SCH-A990 | AT&T Vista | ZTE Flash | HTC Desire 626s (CDMA) | Google Pixel 3a XL |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 18 : 9 |
4.5" diag. 16 : 9 |
5" diag. 16 : 9 |
6" diag. 18 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 2,450 mAh | 1,780 mAh | 2,000 mAh | 3,700 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761V) | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 2 GHz Qualcomm Snapdragon 670 |
| RAM | ? | 3 GB | 1 GB | 1.5 GB | 4 GB |
| Storage | ? raw hardware | 32 GB | 8 GB | 8 GB | 64 GB |
| Main Camera | 3 megapixel | 8 megapixel | 12 megapixel | 8 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 1080p HD | 1080p HD | 720p HD | 4K UHD |
| Front Camera | - | 5 megapixel | 1 megapixel | 2 megapixel | 8 megapixel |
| Weight |
4.4 oz (125g) |
5.51 oz (156g) |
5.2 oz (147g) |
4.94 oz (140g) |
5.89 oz (167g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
5.78" x 2.79" x 0.32" (147 x 71 x 8.2 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
4G LTE: 25 CDMA: 800, 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO r0 | LTE (Cat 4) | LTE (Cat 3) | LTE (Cat 4) | LTE (Cat 11) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | Yes | Yes | - | Yes | Yes |
| GPS / Location | Yes | n/a | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | Yes | - | Yes |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | Yes |
| Music Player | Yes | n/a | n/a | n/a | n/a |
| Stereo Speakers | Yes | - | - | - | Yes |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| TV Output | Yes | - | - | - | - |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a | n/a |
| Software | |||||
| BREW | Yes | n/a | n/a | n/a | n/a |
| Games | Yes | n/a | n/a | n/a | n/a |
| Voice | |||||
| Call Screening | - | - | - | - | Yes |
| HD Voice | - | Yes | Yes | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SCH-A990 | AT&T Vista | ZTE Flash | HTC Desire 626s (CDMA) | Google Pixel 3a XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | AT&T Vista | ZTE Flash | HTC Desire 626s (CDMA) | Google Pixel 3a XL |
