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| Phone | Palm Treo Pro (GSM) | Samsung Galaxy Ring / Prevail 2 | HTC Droid Eris | Samsung Galaxy S10e | ZTE Z222 / Z223 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
3.2" diag. 5 : 3 |
5.8" diag. 19 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
1080 x 2280 pixels (~435 ppi) AMOLED |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 1,500 mAh | 1,750 mAh | 1,300 mAh | 3,100 mAh | 900 mAh |
| Processor | 400 MHz MSM7201 | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | 528 MHz MSM7600 | 2.8 GHz Qualcomm Snapdragon 855 | QSC6270 |
| RAM | ? | 1 GB | ? | 6 GB * | 64 MB |
| Storage | ? raw hardware | 4 GB | ? raw hardware | 128 GB * | 128 MB |
| Main Camera | 2 megapixel | 5 megapixel | 5 megapixel | 12 megapixel | Yes |
| Wide Camera | - | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 720p HD | CIF (352 x 288) | 4K UHD | ? |
| Front Camera | - | 1 megapixel | - | 10 megapixel | - |
| Weight |
4.69 oz (133g) |
3.4 oz (96g) |
4.43 oz (126g) |
5.29 oz (150g) |
3.24 oz (92g) |
| Dimensions |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
5.6" x 2.75" x 0.31" (142 x 70 x 7.9 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | Windows Mobile Professional | Android | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
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 |
WCDMA: 2, 5 GSM: 850, 1900 |
| Data Technology | HSDPA 3.6 | EVDO rA | EVDO rA | LTE (Cat 20) | HSDPA 3.6 |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | n/a | n/a | n/a | n/a | - |
| VR-ready | - | - | - | 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 |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| MirrorLink | - | - | - | Yes | - |
| NFC | - | - | - | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes Mini-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 a,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 | Yes |
| Voice Dialing | n/a | n/a | n/a | n/a | - |
| 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 | Yes |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | n/a | - |
| Dual-SIM | - | - | - | Yes * | - |
| 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 | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | 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 | Yes |
| Text Messaging Templates | n/a | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | Yes * |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | - | Yes | - |
| 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 | - |
| Voice Memo | n/a | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | n/a | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Palm Treo Pro (GSM) | Samsung Galaxy Ring / Prevail 2 | HTC Droid Eris | Samsung Galaxy S10e | ZTE Z222 / Z223 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo Pro (GSM) | Samsung Galaxy Ring / Prevail 2 | HTC Droid Eris | Samsung Galaxy S10e | ZTE Z222 / Z223 |
