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| Phone | Siemens CT66 / C66 / C65 / C71 / C70 | HTC Desire 520 | Samsung SCH-A990 | T-Mobile REVVL 7 5G |
| Current U.S. Carriers | (none) | (none) | (none) |
Metro T-Mobile |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.5" diag. 16 : 9 |
? |
6.6" diag. 20 : 9 |
| Display Resolution & Type |
130 x 130 pixels LCD (Color) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 2408 pixels (~401 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 120 Hz |
| Battery | 600 mAh | 2,000 mAh | 1,000 mAh | 5,000 mAh |
| Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | 2.2 GHz Snapdragon 6 Gen 1 |
| RAM | ? | 1 GB | ? | 6 GB |
| Storage | ? raw hardware | 8 GB | ? raw hardware | 128 GB |
| Main Camera | Yes | 8 megapixel | 3 megapixel | 50 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | ? | 2K / Quad HD |
| Front Camera | - | 2 megapixel | - | 8 megapixel |
| Weight |
3 oz (85g) |
4.9 oz (139g) |
4.4 oz (125g) |
7.27 oz (206g) |
| Dimensions |
4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm) |
5.5" x 2.71" x 0.36" (140 x 69 x 9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.59" x 3.05" x 0.36" (167 x 77 x 9.1 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 850, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
5G: 25, 41, 66, 71, 77-A, 77-C 4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | EVDO r0 | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | - | n/a | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes Hearing Aid Compatible (HAC-2019 / M3, T3) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| Mobile Hotspot | - | n/a | - | n/a |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | Yes | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | Yes | n/a |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | - | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| BREW | - | n/a | Yes | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | - | n/a |
| Voice | ||||
| Call Screening | Yes | - | - | - |
| HD Voice | - | - | - | Yes |
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens CT66 / C66 / C65 / C71 / C70 | HTC Desire 520 | Samsung SCH-A990 | T-Mobile REVVL 7 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens CT66 / C66 / C65 / C71 / C70 | HTC Desire 520 | Samsung SCH-A990 | T-Mobile REVVL 7 5G |
