Compare Phones
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| Phone | Samsung Jack i637 | Siemens CX75 | Samsung Galaxy A71 5G | LG Optimus L90 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
6.7" diag. 20 : 9 |
4.7" diag. 16 : 9 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
540 x 960 pixels (~234 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,480 mAh | 750 mAh | 4,500 mAh | 2,460 mAh |
| Processor | ? | ? | 2.4 GHz Qualcomm Snapdragon 765 | 1.2 GHz Qualcomm Snapdragon 400 MSM8226 |
| RAM | ? | ? | 6 GB | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 128 GB | 8 GB |
| Main Camera | 3 megapixel | 1 megapixel | 64 megapixel | 5 megapixel |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | 4K UHD | 1080p HD |
| Front Camera | - | - | 32 megapixel | Yes |
| Weight |
3.6 oz (102g) |
3.46 oz (98g) |
6.52 oz (185g) |
4.37 oz (124g) |
| Dimensions |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) |
6.39" x 2.97" x 0.31" (162 x 75 x 7.9 mm) |
5.18" x 2.6" x 0.38" (132 x 66 x 9.7 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Windows Mobile Standard | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
5G: 2, 5, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | GPRS | NR (5G) | HSPA+ 21 |
| Features | ||||
| Fingerprint Reader | - | - |
Yes in-display (optical) |
- |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | n/a | - | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a |
| NFC | - | - | Yes | - |
| USB | Yes | Yes |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 802.11 b,g |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 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 | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | - | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | n/a | Yes | n/a | n/a |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| 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 | - |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Jack i637 | Siemens CX75 | Samsung Galaxy A71 5G | LG Optimus L90 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Jack i637 | Siemens CX75 | Samsung Galaxy A71 5G | LG Optimus L90 |
