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| Phone | HTC MDA Compact / xda II mini / JAM (Magician) | Sony Ericsson K850 | Samsung Galaxy S21 | Motorola Moto Z2 Play | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
6.2" diag. 20 : 9 |
5.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
1080 x 1920 pixels (~401 ppi) AMOLED |
101 x 40 pixels |
| Display Refresh | ? | ? | 120 Hz | 60 Hz | ? |
| Battery | 1,200 mAh | ? | 4,000 mAh | 3,000 mAh | ? |
| Processor | 416 MHz Intel xScale | ? | 2.8 GHz Qualcomm Snapdragon 888 | 2.2 GHz Qualcomm Snapdragon 626 (MSM8953Pro) | ? |
| RAM | ? | ? | 8 GB | 3 GB * | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | 32 GB * | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | 12 megapixel | 12 megapixel | - |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | 64 megapixel | - | - |
| Video Capture | ? | ? | 8K | 4K UHD | - |
| Front Camera | - | - | 10 megapixel | 5 megapixel | - |
| Weight |
5.29 oz (150g) |
4.2 oz (119g) |
6.03 oz (171g) |
5.11 oz (145g) |
9.28 oz (263g) |
| Dimensions |
4.25" x 2.28" x 0.72" (108 x 58 x 18.3 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
6.15" x 3" x 0.24" (156 x 76 x 6 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | Windows Mobile Professional | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
GSM: 850, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 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 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | GPRS | HSDPA 3.6 | NR (5G) | LTE (Cat 6) | - |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Infrared (IR) | Yes | - | - | - | - |
| NFC | - | - | Yes | Yes | - |
| USB |
Yes Mini-USB |
Yes |
Yes USB Type C |
Yes USB Type C |
- |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 a,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 | Yes |
| Real-Music Ringers | n/a | Yes | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | n/a | Yes | 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 | - |
| Music Player | n/a | Yes | n/a | n/a | - |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Video Calling | n/a | Yes * | n/a | n/a | - |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | Yes |
| 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 | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| HTC MDA Compact / xda II mini / JAM (Magician) | Sony Ericsson K850 | Samsung Galaxy S21 | Motorola Moto Z2 Play | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC MDA Compact / xda II mini / JAM (Magician) | Sony Ericsson K850 | Samsung Galaxy S21 | Motorola Moto Z2 Play | Ericsson R278d |
