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Sonim XP5plus push-to-talk phone

A rugged keypad phone from Sonim with a 2.8-inch screen, a large PTT key, an emergency key and, on the knob version, volume and channel knobs on top like a two-way radio. TASSTA and AT&T Enhanced Push-to-Talk list it.

Will it work in your country?

Sonim's global data sheet lists 7 LTE FDD and 3 LTE TDD bands for the XP5plus, including the 800 MHz band 20 and 700 MHz band 28 that EU networks use outside cities. The band list on Sonim's web page is the North American one, without bands 20 and 28.

Sonim XP5plus

    Try the push-to-talk apps on the XP5plus

    These services list the XP5plus as supported. Pick one and try what it can do.

      The phone's PTT key works too: press it for the next call, hold it to talk.

      About TASSTA →

      How big is it?

      The XP5plus 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.

        Network
        LTE bands, global versionFDD B1 B3 B5 B7 B8 B20 B28; TDD B38 B39 B40
        LTE bands, Sonim's web pageFDD B1 B2 B3 B4 B5 B7 B8 B12 B13 B14 B25 B26 B29 B30 B66 B71; TDD B39 B40 B41
        3G and 2GUMTS B1, B2, B4, B5 (global version: B1, B5, B8); GSM 850 / 900 / 1800 / 1900 MHz
        SIMTwo nano-SIM (4FF) slots
        VoiceVoLTE and real-time text (RTT)
        System and apps
        Operating systemSonim's own system based on AOSP Android 11
        ChipsetQualcomm SM6115, eight cores: four at 2.0 GHz and four at 1.8 GHz
        Memory2 GB RAM and 16 GB storage, 10 GB of it free; microSD up to 512 GB
        Preloaded softwareSonim SCOUT and a Push-to-Talk app whose availability depends on the service provider; the global data sheet lists Sonim SCOUT only
        Programmable keysThe app the PTT key and the alarm key open, and the volume keys and both knobs on the knob version
        Model codeXP5900
        PTT platforms namedTASSTA lists the XP5plus on Android 11; AT&T lists it as a feature phone for Enhanced Push-to-Talk and FirstNet Rapid Response
        Screen and battery
        Screen2.8-inch TFT colour screen, 240 × 320, Gorilla Glass 3
        KeypadNumeric keypad, three dynamic keys under the screen and a navigation key with a centre select key
        Battery3,500 mAh Li-ion, removable
        Battery life (published figure)Up to 30 hours of talk time and 600 hours on standby
        Build
        Water and dust ratingIP68 and IPX9K; submersion to 6.5 ft (2 m) for 30 minutes
        Military test standardMIL-STD-810H
        Hazardous locationsClass I Div 2 Groups A, B, C, D; Class II Div 2 Groups F, G; Class III Div 2
        Drop6.5 ft (2 m) onto concrete
        Operating temperature−20 to +55 °C
        Weight284 g with knobs, 275 g without
        Size163.7 × 65.9 × 21 mm with knobs; 148.7 × 65.9 × 21 mm without (height × width × depth)
        Speakers and microphonesDual front-facing loudspeakers, 100 dB+; two microphones with Goodix noise and echo cancellation
        Hearing aid compatibilityM3/T4
        Keys and connectors
        KeysLarge PTT key, volume keys and emergency key; volume and channel knobs on top on the knob version
        Audio connectorSonim SecureAudio connector, which locks audio accessories and speaker microphones in place
        USBUSB-C
        Charging pinsYes
        Connectivity
        Wi-Fi802.11 a/b/g/n/ac, 2.4 and 5 GHz; hotspot for up to 10 devices; the global data sheet adds Wi-Fi calling
        BluetoothBluetooth 5.0 with BLE
        Satellite positioningGPS and A-GPS, GLONASS, Galileo, BeiDou
        NFCNo
        FM radioYes, with a wired headset as the antenna
        Camera and warranty
        Camera8 MP with flash; video up to 1080p
        WarrantyThree years
        Sold bySonim links to AT&T, US Cellular and Southern Linc in the US and to Bell and Telus in Canada; distributors sell unlocked versions for the US, Canada and Australia, New Zealand and Asia
        PredecessorSonim XP5s
        XP5plus 5G version
        System and chipsetSonim's own system based on AOSP Android 15; Qualcomm SM4450
        5G bandsn2 n5 n7 n14 n25 n28 n38 n41 n48 n66 n71 n77 n78
        LTE bands1 2 3 4 5 7 8 12 13 14 20 25 26 28 29 30 38 41 42 43 48 66 71
        Screen2.8-inch, 640 × 480, Gorilla Glass 3
        Battery3,500 mAh, removable, 15 W / 18 W fast charging; up to 25 hours of talk time over VoLTE and 390 hours on standby on 5G
        Memory4 GB RAM and 64 GB storage; microSD up to 512 GB
        SIMNano-SIM and eSIM
        Size and weightSame size as the XP5plus; 277 g with knobs, 265 g without
        Sold bySonim links to AT&T, FirstNet and Verizon, each with and without knobs, and to T-Mobile's T-Priority device list

        Where sources disagree

        • Camera positionWeb spec: 8 MP front camera with flash · Global data sheet and user guide: 8 MP rear camera
        • microSDFeature text: 256 GB microSD · Spec table: microSD up to 512 GB

        Questions

        Does the Sonim XP5plus have push to talk?

        Yes. It has a large PTT key on the left side and an emergency key on top, and ships with a Push-to-Talk app supplied by the service provider. TASSTA and AT&T Enhanced Push-to-Talk list it.

        What is the difference between the XP5plus with knobs and without knobs?

        The knob version has a volume knob and a channel selector knob on top, is 163.7 mm tall and weighs 284 g, and its volume keys become programmable. Without knobs it is 148.7 mm tall and weighs 275 g.

        What is the Sonim XP5plus 5G?

        A newer model in the same body: 5G, a system based on Android 15, 4 GB of RAM, 64 GB of storage, a 640 × 480 screen, an eSIM and fast charging. Sonim links to AT&T, FirstNet and Verizon for it, with and without knobs.

        Does the Sonim XP5plus work in Europe?

        Sonim's global data sheet lists LTE bands 1, 3, 5, 7, 8, 20 and 28 and TDD bands 38, 39 and 40, which cover the main European networks. The list on Sonim's web page is the North American one, without bands 20 and 28.

        Can I use a speaker microphone with the Sonim XP5plus?

        Yes. It has Sonim's SecureAudio connector, which locks audio accessories and speaker microphones in place, and Bluetooth 5.0.

        What is the Sonim XP5plus model number?

        AT&T's device portfolio lists it as model XP5900.

        Sources