Will it work in your country?
Sonim's page lists 14 LTE FDD and 3 LTE TDD bands for the XP3plus, with no band 8 or 800 MHz band 20 that EU networks use outside cities; the XP3plus 5G lists bands 8, 20 and 28 and 5G n78.
Try the push-to-talk apps on the XP3plus
These services list the XP3plus as supported. Pick one and try what it can do.
Tap the talk button on the screen for the next call, hold it to talk; the tabs switch the app's screens.
About TASSTA →Website ↗How big is it?
The XP3plus next to other radios, to scale. Pick up to three to compare.
Full specifications
Values come from the sources listed at the end of the page. Where they disagree, both values are shown.
| LTE FDD bands | B1 B2 B3 B4 B5 B7 B12 B13 B14 B25 B26 B30 B66 B71 |
|---|---|
| LTE TDD bands | B39 B40 B41 (B41 with high-power user equipment) |
| 3G and 2G | UMTS B1 B2 B4 B5; GSM 850 / 900 / 1800 / 1900 MHz |
| 5G | No; see the XP3plus 5G version below |
| Voice | VoLTE and real-time text (RTT) |
| Operating system | Sonim's own system based on AOSP Android 11 |
|---|---|
| Model code | XP3900 |
| Chipset | Qualcomm SM6115, four cores at 2.0 GHz |
| Memory | 2 GB RAM and 16 GB storage, 10 GB of it free for the user; microSD up to 256 GB |
| Preloaded software | Sonim SCOUT and a Push-to-Talk app whose availability depends on the service provider |
| PTT platforms named | TASSTA lists the XP3 Plus (XP3900) on Android 11; AT&T lists it for Enhanced Push-to-Talk and FirstNet Rapid Response |
| Inner screen | 2.8-inch TFT, 240 × 320, no touch |
|---|---|
| Outer screen | 1.3-inch IPS, 240 × 240 |
| Battery | 2,300 mAh, removable |
| Battery life (published figure) | Up to 15 hours of talk time and 440 hours on standby |
| Water and dust rating | IP68; submersion to 6.5 ft (2 m) for 30 minutes |
|---|---|
| Military test standard | MIL-STD-810H |
| Hazardous locations | Class I Div 2 Groups A, B, C, D; Class II Div 2 Groups F, G; Class III Div 2 |
| Drop | 1.5 ft (0.46 m) onto concrete, as published |
| Operating temperature | −20 to +55 °C |
| Weight | 220 g |
| Size | 116 × 60 × 28 mm (height × width × depth, closed) |
| Speaker and microphones | Front-facing speaker, 100 dB+; two microphones with noise cancellation; hearing aid rating M4/T4 |
| Keys | PTT key, volume keys, emergency key, two outer keys (one customizable, one for calls and the call log), three adaptive soft keys and a keypad inside |
|---|---|
| Audio connector | Sonim SecureAudio 3.5 mm connector |
| USB | USB-C |
| Charging pins | Yes, on the back |
| Wi-Fi | Wi-Fi 5 (802.11 a/b/g/n/ac), 2.4 and 5 GHz; hotspot for up to 8 devices |
|---|---|
| Bluetooth | Bluetooth 5.0 LE |
| Satellite positioning | GPS, A-GPS, GLONASS, Galileo |
| FM radio | Yes, with a wired headset as the antenna |
| Camera | 8 MP with flash on select models; a version without a camera exists for sites that ban cameras |
|---|---|
| Warranty | Three years, covering accidental damage; FirstCare support for FirstNet customers |
| Sold by | Sonim links to Verizon in the US and Bell and Telus in Canada; distributors sell unlocked versions for the US, Canada and Australia, New Zealand and Asia |
| System and chipset | Sonim's own system based on AOSP Android 14; Qualcomm SM4450 |
|---|---|
| 5G bands | n2 n5 n7 n14 n25 n28 n38 n41 n48 n66 n71 n78 |
| LTE bands | 1 2 3 4 5 7 8 12 13 14 20 25 26 28 38 41 42 43 48 66 71 |
| Screens | Inner 2.95-inch TFT, 480 × 854; outer 1.77-inch TFT, 160 × 128 |
| Battery | 3,000 mAh, removable, 10 W fast charging; up to 30 hours of talk time over 5G voice and 270 hours on standby |
| Memory | 4 GB RAM and 32 GB storage; microSD up to 512 GB |
| SIM | Nano-SIM and eSIM, dual SIM dual standby |
| Size and weight | 123 × 60 × 29 mm, 245 g |
| Model code | X320 |
| Sold by | Sonim links to AT&T, T-Mobile and Verizon in the US and Bell and Telus in Canada, with and without a camera |
Questions
What is the difference between the Sonim XP3plus and XP3plus 5G?
The XP3plus 5G adds 5G, LTE bands 8, 20 and 28, a 3,000 mAh battery instead of 2,300 mAh, 4 GB of RAM, larger inner and outer screens and an eSIM. It is 7 mm taller and 25 g heavier.
Does the Sonim XP3plus have push to talk?
Yes. It has a PTT key and an emergency key on the outside, both programmable, and ships with a Push-to-Talk app whose availability depends on the provider. TASSTA and AT&T Enhanced Push-to-Talk list it.
Does the Sonim XP3plus have a camera?
Select models have an 8 MP camera with flash. Sonim also sells a version without a camera for sites that do not allow cameras, and the XP3plus 5G comes both ways too.
Does the Sonim XP3plus 5G support eSIM?
Yes. Sonim lists a nano-SIM and an eSIM with dual SIM dual standby for the XP3plus 5G.
Does the Sonim XP3plus 5G work on T-Mobile?
Sonim links to T-Mobile, AT&T and Verizon for the XP3plus 5G. For the older XP3plus it links to Verizon, and the unlocked North American version is authorized for AT&T and Cricket.
Where is the Sonim XP3plus manual?
Sonim publishes XP3plus user guides on the product page for AT&T, North America, the rest of the world, Bell, Telus, T-Mobile and Verizon, and separate guides for the XP3plus 5G.
