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| Phone | ZTE Z221 | ZTE Blade 10 / Blade 10 Prime | Samsung SCH-R500 Hue | Pantech Laser | LG K4 / Optimus Zone 3 / Rebel | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 2" diag. 4 : 3 | 6.3" diag. 19 : 9 | 2.1" diag. 4 : 3 | 3.1" diag. 5 : 3 | 4.5" diag. 16 : 9 | 
| Display Resolution & Type | 240 x 320 pixels (~200 ppi) LCD (TFT/TFD) | 1080 x 2280 pixels (~400 ppi) LCD (TFT/TFD) | 176 x 220 pixels (~133 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~301 ppi) AMOLED | 480 x 854 pixels (~218 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | 60 Hz | ? | ? | 60 Hz | 
| Battery | 900 mAh | 3,100 mAh | 800 mAh | 1,000 mAh | 1,940 mAh | 
| Processor | ? | 2 GHz MediaTek Helio P60 (MT6771) | ? | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 
| RAM | ? | 3 GB | ? | ? | 1.5 GB | 
| Storage | 142 MB | 64 GB | ? raw hardware | ? raw hardware | 16 GB * | 
| Main Camera | Yes | 16 megapixel | 1 megapixel | 3 megapixel | 5 megapixel | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | QCIF (176 x 144) | 1080p HD | ? | VGA (640 x 480) | 720p HD | 
| Front Camera | - | 16 megapixel | - | - | 2 megapixel | 
| Weight | 3.24 oz (92g) | 5.5 oz (156g) | 3.22 oz (91g) | 4.05 oz (115g) | 3.99 oz (113g) | 
| Dimensions | 3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) | 6.22" x 2.96" x 0.31" (158 x 75 x 7.9 mm) | 3.72" x 1.95" x 0.65" (94 x 50 x 16.5 mm) | 4.44" x 2.27" x 0.39" (113 x 58 x 9.9 mm) | 5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) | 
| Form Factor | Clamshell | Slab | Clamshell | Slide | Slab | 
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | Android | 
| Network Bands | WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1900 | WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 | ||
| Data Technology | HSDPA 3.6 | LTE (Cat 6) | EVDO r0 | HSPA 7.2 | LTE (Cat 3) | 
| Features | |||||
| Fingerprint Reader | - | Yes stand-alone | - | - | - | 
| Flashlight | - | Yes | - | - | Yes | 
| GPS / Location | Yes | n/a | Yes | Yes | n/a | 
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | - | n/a | 
| Hearing Aid Compatible | Yes | Yes | Yes | - | Yes | 
| Multiple Languages | Yes | n/a | Yes | Yes | n/a | 
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes | 
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - | 
| Ringer Profiles | Yes | - | - | Yes | - | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Mobile Hotspot | - | n/a | - | - | n/a | 
| NFC | - | Yes | - | - | - | 
| USB | Yes | Yes USB Type C | Yes | Yes Micro-USB | Yes Micro-USB | 
| Wi-Fi | - | Yes 5 (802.11 ac,b,g,n) | - | - | Yes 4 (802.11 b,g,n) | 
| Contacts | |||||
| Picture ID | - | n/a | Yes | Yes | n/a | 
| Ringer ID | - | n/a | Yes | Yes | n/a | 
| Voice Dialing | - | n/a | Yes | - | n/a | 
| Customization | |||||
| Changeable Body Plates | - | - | Yes | - | - | 
| Custom Graphics | Yes | n/a | Yes | Yes | n/a | 
| Custom Ringtones | Yes | n/a | Yes | Yes | n/a | 
| Real-Music Ringers | Yes | n/a | - | Yes | n/a | 
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | Yes | n/a | 
| WAP / Web Browser | Yes | n/a | Yes | Yes | n/a | 
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | 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 | Yes | n/a | - | Yes | n/a | 
| Instant Messaging | Yes | n/a | - | Yes | n/a | 
| MMS | Yes | n/a | Yes | Yes | n/a | 
| Text Messaging Templates | Yes | n/a | Yes | Yes | n/a | 
| Music | |||||
| FM Radio | - | Yes | - | - | - | 
| Headphone Jack (3.5mm) | - | Yes | - | - | Yes | 
| Music Player | - | n/a | Yes | Yes | n/a | 
| Stereo Speakers | - | - | Yes | - | - | 
| Photo & Video | |||||
| Miracast | - | - | - | - | Yes | 
| Power | |||||
| Fast Charging | - | Yes | - | - | - | 
| Productivity | |||||
| Alarm | Yes | n/a | Yes | Yes | n/a | 
| Calculator | Yes | n/a | Yes | Yes | n/a | 
| Calendar | Yes | n/a | Yes | Yes | n/a | 
| Voice Memo | Yes | n/a | - | Yes | n/a | 
| Software | |||||
| BREW | - | n/a | Yes | - | n/a | 
| Games | Yes | n/a | Yes | Yes | n/a | 
| Java (J2ME) | Yes | n/a | - | Yes | n/a | 
| Voice | |||||
| HD Voice | - | Yes | - | - | Yes * | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| * Some versions only | |||||
| ZTE Z221 | ZTE Blade 10 / Blade 10 Prime | Samsung SCH-R500 Hue | Pantech Laser | LG K4 / Optimus Zone 3 / Rebel | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | ZTE Z221 | ZTE Blade 10 / Blade 10 Prime | Samsung SCH-R500 Hue | Pantech Laser | LG K4 / Optimus Zone 3 / Rebel | 
 



