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| Phone | ZTE Prelude / Avail 2 | Samsung SGH-D520 | Sharp Sidekick LX 2009 | LG K30 2018 (CDMA) | ZTE Flash |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
3.2" diag. 16 : 9 |
5.3" diag. 16 : 9 |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,500 mAh | 800 mAh | 1,250 mAh | 3,000 mAh | 1,780 mAh |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | ? | ? | 1.5 GHz MediaTek MT6750T | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 |
| RAM | 512 MB | ? | ? | 2 GB | 1 GB |
| Storage | 4 GB | ? raw hardware | ? raw hardware | 32 GB | 8 GB |
| Main Camera | 2 megapixel | 1 megapixel | 3 megapixel | 13 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | CIF (352 x 288) | QVGA (320 x 240) | 1080p HD | 1080p HD |
| Front Camera | - | - | - | 5 megapixel | 1 megapixel |
| Weight |
4.4 oz (125g) |
3.32 oz (94g) |
5.78 oz (164g) |
5.93 oz (168g) |
5.2 oz (147g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
3.98" x 1.81" x 0.63" (101 x 46 x 16 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
5.85" x 2.95" x 0.33" (149 x 75 x 8.4 mm) |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
| Form Factor | Slab | Slide | Swivel | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
| Data Technology | HSPA 7.2 | GPRS | HSPA 7.2 | LTE (Cat 4) | LTE (Cat 3) |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | n/a | - | Yes | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | Yes | n/a | n/a |
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | n/a | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | n/a | - | - | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB | Yes | - | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | Yes | n/a | n/a |
| Voice Dialing | n/a | - | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | 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 |
| External Antenna Jack | n/a | Yes | - | n/a | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | - | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | Yes | - | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | Yes | Yes | n/a | n/a |
| Instant Messaging | n/a | - | Yes | n/a | n/a |
| MMS | n/a | Yes | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | Yes |
| Music Player | n/a | - | Yes | n/a | n/a |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | n/a |
| Calculator | n/a | Yes | - | n/a | n/a |
| Calendar | n/a | Yes | Yes | n/a | n/a |
| To-Do List | n/a | Yes | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | - | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Prelude / Avail 2 | Samsung SGH-D520 | Sharp Sidekick LX 2009 | LG K30 2018 (CDMA) | ZTE Flash | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | Samsung SGH-D520 | Sharp Sidekick LX 2009 | LG K30 2018 (CDMA) | ZTE Flash |
