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| Phone | ZTE Flash | LG Stylo 4 | Nokia E90 | Samsung Galaxy S21 | Samsung SCH-A645 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
6.2" diag. 18 : 9 |
? |
6.2" diag. 20 : 9 |
? |
| Display Resolution & Type |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD) |
800 x 352 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
128 x 160 pixels LCD (STN) |
| Display Refresh | 60 Hz | 60 Hz | ? | 120 Hz | ? |
| Battery | 1,780 mAh | 3,300 mAh | 1,500 mAh | 4,000 mAh | 1,000 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | 1.8 GHz Qualcomm Snapdragon 450 | 332 MHz ARM 11 | 2.8 GHz Qualcomm Snapdragon 888 | ? |
| RAM | 1 GB | 2 GB * | ? | 8 GB | ? |
| Storage | 8 GB | 32 GB * | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 12 megapixel | 13 megapixel | 3 megapixel | 12 megapixel | - |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 64 megapixel | - |
| Video Capture | 1080p HD | 1080p HD | VGA (640 x 480) | 8K | - |
| Front Camera | 1 megapixel | 5 megapixel | - | 10 megapixel | - |
| Weight |
5.2 oz (147g) |
6.07 oz (172g) |
7.41 oz (210g) |
6.03 oz (171g) |
3.2 oz (91g) |
| Dimensions |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm) |
5.2" x 2.24" x 0.79" (132 x 57 x 20.1 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | Android | Android | S60 (Symbian) | Android | (proprietary) |
| Network Bands |
4G LTE: 25 CDMA: 800, 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1 GSM: 850, 900, 1800, 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 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | LTE (Cat 3) | LTE (Cat 6) | HSDPA 3.6 | NR (5G) | 1xRTT |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | n/a | n/a | n/a | n/a | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | n/a | - |
| Hearing Aid Compatible | Yes | Yes | - | Yes | Yes |
| Multiple Languages | n/a | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | Yes |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Infrared (IR) | - | - | Yes | - | - |
| Mobile Hotspot | n/a | n/a | n/a | n/a | - |
| NFC | Yes | Yes * | - | Yes | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Mini-USB |
Yes USB Type C |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | n/a | - |
| Voice Dialing | n/a | n/a | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | n/a | - |
| WAP / Web Browser | n/a | n/a | n/a | n/a | Yes * |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - | - |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | Yes | Yes | - | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | n/a | n/a | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | n/a | - |
| Text Messaging Templates | n/a | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | - | - |
| Music Player | n/a | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| TV Output | - | - | - | Yes | - |
| Video Calling | n/a | n/a | n/a | n/a | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | n/a | n/a | n/a | Yes * |
| Games | n/a | n/a | n/a | n/a | Yes * |
| Java (J2ME) | n/a | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | Yes | Yes | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | n/a | Yes |
| Push-To-Talk | - | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Flash | LG Stylo 4 | Nokia E90 | Samsung Galaxy S21 | Samsung SCH-A645 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Flash | LG Stylo 4 | Nokia E90 | Samsung Galaxy S21 | Samsung SCH-A645 |
