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| Phone | ZTE Z431 / Altair | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC myTouch 4G Slide | Motorola Rambler | Motorola edge (2023) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | Boost |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
3.7" diag. 5 : 3 |
2.2" diag. 4 : 3 |
6.6" diag. 20 : 9 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~399 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | ? | 144 Hz |
| Battery | 1,000 mAh | 1,490 mAh | 1,520 mAh | 950 mAh | 4,400 mAh |
| Processor | ? | 400 MHz Intel XScale | 1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core) | ? | 2.5 GHz MediaTek Dimensity 7030 |
| RAM | ? | ? | ? | ? | 8 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 256 GB |
| Main Camera | 2 megapixel | Yes | 8 megapixel | 1 megapixel | 50 megapixel |
| Wide Camera | - | - | - | - | 13 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | QCIF (176 x 144) | 1080p HD | ? | 4K UHD |
| Front Camera | - | - | Yes | - | 32 megapixel |
| Weight |
3.52 oz (100g) |
7.41 oz (210g) |
6.5 oz (184g) |
3.81 oz (108g) |
5.93 oz (168g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
4.8" x 2.4" x 0.52" (122 x 61 x 13.2 mm) |
3.7" x 2.24" x 0.7" (94 x 57 x 17.8 mm) |
6.24" x 2.83" x 0.3" (159 x 72 x 7.6 mm) |
| Form Factor | Slab | Slide | Slide | Clamshell | Slab |
| Platform / OS | (proprietary) | Windows Mobile Professional | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 1900 |
5G: 1, 2, 3, 5, 7, 12, 14, 20, 25, 26, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | ? | GPRS | HSPA 14.4 | 1xRTT | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | Yes | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Mini-USB |
Yes USB Type C |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
- |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | n/a | Yes | n/a |
| Voice Dialing | - | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | - | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | Yes | Yes | - |
| Touch Screen | - | Yes |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | Yes | n/a |
| Instant Messaging | - | n/a | n/a | Yes | n/a |
| MMS | Yes | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | Yes | 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 | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | - | n/a | n/a | - | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| BREW | Yes | n/a | n/a | - | n/a |
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Z431 / Altair | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC myTouch 4G Slide | Motorola Rambler | Motorola edge (2023) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC myTouch 4G Slide | Motorola Rambler | Motorola edge (2023) |
