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| Phone | Palm Treo Pro (GSM) | BlackBerry Tour 9630 | Apple iPhone X | Apple iPhone 4 (GSM) | ZTE Engage LT / Engage MT | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | 2.4" diag. 4 : 3 | 5.8" diag. 19.5 : 9 | 3.5" diag. 5 : 3 | 4" diag. 5 : 3 | 
| Display Resolution & Type | 320 x 320 pixels LCD (TFT/TFD) | 480 x 360 pixels (~250 ppi) LCD (TFT/TFD) | 1125 x 2436 pixels (~463 ppi) AMOLED | 640 x 960 pixels (~330 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 60 Hz | 
| Battery | 1,500 mAh | 1,400 mAh | 2,716 mAh | ? | 1,900 mAh | 
| Processor | 400 MHz MSM7201 | ? | Apple A11 | Apple A4 | ? | 
| RAM | ? | ? | 3 GB | ? | 1 GB | 
| Storage | ? raw hardware | ? raw hardware | 64 GB * | 32 GB * | 4 GB | 
| Main Camera | 2 megapixel | 3 megapixel | 12 megapixel | 5 megapixel | 3 megapixel | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | Yes | - | - | 
| Video Capture | ? | ? | 4K UHD | 720p HD | WVGA / 480p | 
| Front Camera | - | - | 7 megapixel | Yes | Yes | 
| Weight | 4.69 oz (133g) | 4.59 oz (130g) | 6.14 oz (174g) | 4.8 oz (136g) | 5.09 oz (144g) | 
| Dimensions | 4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) | 4.41" x 2.44" x 0.56" (112 x 62 x 14.2 mm) | 5.65" x 2.79" x 0.3" (144 x 71 x 7.6 mm) | 4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) | 4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) | 
| Platform / OS | Windows Mobile Professional | BlackBerry OS | iOS | iOS | Android | 
| Network Bands | WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 | WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 | 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 | WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1700, 1900 | 
| Data Technology | HSDPA 3.6 | EVDO rA | LTE (Cat 9) | HSPA 7.2 | EVDO rA | 
| Features | |||||
| Barometer | - | - | Yes | - | - | 
| Flashlight | - | - | Yes | - | - | 
| Water-Resistant | - | - | Yes IPX7 (snorkeling) | - | - | 
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | Yes | Yes | - | 
| TTY/TDD (Digital) | - | Yes * | Yes | Yes | Yes | 
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | - | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| NFC | - | - | Yes | - | - | 
| USB | Yes Micro-USB | Yes Micro-USB | Yes | Yes | Yes Micro-USB | 
| Wi-Fi | Yes 802.11 b,g | - | Yes 5 (802.11 a,ac,b,g,n) | Yes 4 (802.11 b,g,n) | Yes | 
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Stylus | Yes | - | - | - | - | 
| Text Keyboard, Hardware | Yes | Yes | - | - | - | 
| Touch Screen | Yes | - | Yes | Yes | Yes | 
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | - | Yes | 
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | Yes | 
| Stereo Speakers | - | - | Yes | - | - | 
| Photo & Video | |||||
| TV Output | - | - | Yes | Yes | - | 
| Power | |||||
| Fast Charging | - | - | Yes | - | - | 
| Wireless Charging | - | - | Yes | - | - | 
| Voice | |||||
| HD Voice | - | - | Yes | - | - | 
| Push-To-Talk | - | Yes * | - | - | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| * Some versions only | |||||
| Palm Treo Pro (GSM) | BlackBerry Tour 9630 | Apple iPhone X | Apple iPhone 4 (GSM) | ZTE Engage LT / Engage MT | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Palm Treo Pro (GSM) | BlackBerry Tour 9630 | Apple iPhone X | Apple iPhone 4 (GSM) | ZTE Engage LT / Engage MT | 
 







