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| Phone | ZTE Z221 | Nokia 6255i / 6256i | Samsung Galaxy S10e | Ericsson T66 | Motorola Sidekick Slide |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? |
5.8" diag. 19 : 9 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2280 pixels (~435 ppi) AMOLED |
? |
320 x 240 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 900 mAh | 1,070 mAh | 3,100 mAh | ? | ? |
| Processor | ? | ? | 2.8 GHz Qualcomm Snapdragon 855 | ? | 225 MHz TI OMAP 850 |
| RAM | ? | ? | 6 GB * | ? | ? |
| Storage | 142 MB | ? raw hardware | 128 GB * | ? raw hardware | ? raw hardware |
| Main Camera | Yes | Yes | 12 megapixel | - | 1 megapixel |
| Wide Camera | - | - | 16 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | 4K UHD | - | - |
| Front Camera | - | - | 10 megapixel | - | - |
| Weight |
3.24 oz (92g) |
4.23 oz (120g) |
5.29 oz (150g) |
2.08 oz (59g) |
5.3 oz (150g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm) |
5.6" x 2.75" x 0.31" (142 x 70 x 7.9 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 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 |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | LTE (Cat 20) | - | EDGE |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | Yes | Yes | n/a | - | - |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | - | Yes |
| Hearing Aid Compatible | Yes | Yes | Yes | - | - |
| Multiple Languages | Yes | Yes | n/a | Yes | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | - |
| Alerts | |||||
| Extra Display | Yes | Yes | - | - | - |
| Ringer Profiles | Yes | Yes | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | - | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| MirrorLink | - | - | Yes | - | - |
| NFC | - | - | Yes | - | - |
| USB | Yes | Yes |
Yes USB Type C |
- | Yes |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | - | Yes | n/a | - | Yes |
| Ringer ID | - | Yes | n/a | - | Yes |
| Voice Dialing | - | Yes | n/a | - | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | Yes | n/a | - | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | - | - |
| Dual-SIM | - | - | Yes * | - | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | Yes | n/a | - | Yes |
| EMS / Picture Messaging | - | Yes * | n/a | Yes | - |
| Instant Messaging | Yes | - | n/a | - | Yes |
| MMS | Yes | Yes | n/a | - | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | - |
| Music | |||||
| FM Radio | - | Yes | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | Yes * | n/a | - | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | - |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | - | Yes | n/a | Yes | Yes |
| Voice Memo | Yes | Yes | n/a | - | - |
| Software | |||||
| BREW | - | Yes * | n/a | - | - |
| Games | Yes | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | Yes * | n/a | - | Yes |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | - | Yes |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| * Some versions only | |||||
| ZTE Z221 | Nokia 6255i / 6256i | Samsung Galaxy S10e | Ericsson T66 | Motorola Sidekick Slide | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | Nokia 6255i / 6256i | Samsung Galaxy S10e | Ericsson T66 | Motorola Sidekick Slide |
