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| Phone | ZTE Flash | Sony Ericsson K850 | LG Spectrum | TCL 20 Pro 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
2.2" diag. 4 : 3 |
4.5" diag. 16 : 9 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~395 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,780 mAh | ? | 1,830 mAh | 4,500 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | 1.5 GHz Qualcomm Snapdragon S3 | 2 GHz Qualcomm Snapdragon 750G |
| RAM | 1 GB | ? | 1 GB | 6 GB |
| Storage | 8 GB | ? raw hardware | 4 GB | 256 GB |
| Main Camera | 12 megapixel | 5 megapixel | 8 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | ? | 1080p HD | 4K UHD |
| Front Camera | 1 megapixel | - | 1 megapixel | 32 megapixel |
| Weight |
5.2 oz (147g) |
4.2 oz (119g) |
4.99 oz (141g) |
6.82 oz (193g) |
| Dimensions |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.33" x 2.71" x 0.42" (135 x 69 x 10.7 mm) |
6.46" x 2.87" x 0.36" (164 x 73 x 9.1 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android |
| Network Bands |
4G LTE: 25 CDMA: 800, 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 7, 41, 66, 71, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | HSDPA 3.6 | LTE (Cat 3) | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | - | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX2 (drip) |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a |
| NFC | Yes | - | - | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
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 | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Music Player | n/a | Yes | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Video Calling | n/a | Yes * | n/a | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Flash | Sony Ericsson K850 | LG Spectrum | TCL 20 Pro 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Flash | Sony Ericsson K850 | LG Spectrum | TCL 20 Pro 5G |
