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| Phone | Siemens CX75 | BlackBerry Curve 9310 | Apple iPhone 13 Pro Max | Ericsson T28 World |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
6.7" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
132 x 176 pixels LCD (TFT/TFD) |
320 x 240 pixels (~164 ppi) LCD (TFT/TFD) |
1284 x 2778 pixels (~457 ppi) AMOLED |
? |
| Display Refresh | ? | ? | 120 Hz | ? |
| Battery | 750 mAh | 1,450 mAh | 4,352 mAh | 500 mAh |
| Processor | ? | 800 MHz Qualcomm Snapdragon S2 MSM8655-1 | Apple A15 Bionic | ? |
| RAM | ? | 512 MB | 6 GB | ? |
| Storage | ? raw hardware | 512 MB | 128 GB * | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | 12 megapixel | - |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | ? | VGA (640 x 480) | 4K UHD | - |
| Front Camera | - | - | 12 megapixel | - |
| Weight |
3.46 oz (98g) |
3.67 oz (104g) |
8.46 oz (240g) |
3.14 oz (89g) |
| Dimensions |
4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) |
4.29" x 2.36" x 0.5" (109 x 60 x 12.7 mm) |
6.33" x 3.07" x 0.3" (161 x 78 x 7.6 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
| Form Factor | Slab | Slab | Slab | Flip |
| Platform / OS | (proprietary) | BlackBerry OS | iOS | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77-C, 78, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 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, 1900 |
| Data Technology | GPRS | EVDO r0 | NR (5G) | - |
| Features | ||||
| Barometer | - | - | Yes | - |
| Flashlight | - | - | Yes | - |
| GPS / Location | - | n/a | n/a | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - |
| Hearing Aid Compatible | - | Yes | Yes | - |
| Multiple Languages | Yes | n/a | n/a | - |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Infrared (IR) | Yes | - | - | - |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
- | - |
| UWB | - | - | Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | - |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | Yes |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a | - |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | - |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | n/a | - |
| Stereo Speakers | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | - |
| To-Do List | Yes | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Siemens CX75 | BlackBerry Curve 9310 | Apple iPhone 13 Pro Max | Ericsson T28 World | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens CX75 | BlackBerry Curve 9310 | Apple iPhone 13 Pro Max | Ericsson T28 World |
