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Spok Mobile App Support Policies

This page details Spok's policies around supported versions of the Spok Mobile app and iOS and Android OS version compatibility.

Spok Mobile App Support Policies

The currently supported Spok Mobile app versions for iOS and Android are:

Spok Mobile for Android 4.6.1 Version 4.6.1 is the only release of Spok Mobile for Android which is currently supported. Version 4.6.1 includes support for Firebase Cloud Messaging, as well as improved attachment security. Because of these important features, Spok requires Android users to upgrade to version 4.6.1.
Spok Mobile for iOS versions 4.6.0 Version 4.6.0 of Spok Mobile for iOS includes improved attachment security. Attachments sent from a device which is running version 4.6.0 are not compatible with devices which are running older versions of Spok Mobile. To enjoy the benefits of improved attachment security, and to open attachments sent by users who are on the latest version of Spok Mobile, upgrade to version 4.6.0.

Spok Mobile app versions are backward compatible with supported Spok Mobile server versions. For Spok Mobile server lifecycle information, see Spok Software Lifecycle Dates.

Device Operating System Policies

It is important to keep mobile devices running up-to-date operating systems in order to stay current with the latest security enhancements. Spok reviews its OS support policies regularly to ensure the Spok Mobile solution continues to provide secure messaging for our customers. Spok reserves the right to drop support for an operating system at any time if major security issues are found.

iOS Support 

Spok will generally support the most current version of iOS and two versions back.

iOS Version OS Introduction Date End of Support Date for Spok Mobile (iOS app)
iOS 13 September 19, 2019 September 1, 2022
iOS 12 September 17, 2018 September 1, 2021
iOS 11 September 19, 2017 September 1, 2020

Android OS Support 

Support for Android 4 (KitKat) has been deprecated due to security vulnerabilities.

Android OS Version OS Introduction Date End of Support Date for Spok Mobile (Android app)
Android 8.0+ (Oreo) August 21, 2017 September 1, 2022
Android 7.0+ (Nougat) August 22, 2016 September 1, 2021
Android 6.0+ (Marshmallow) October 5, 2015 September 1, 2020
Android 5.0+ (Lollipop) November 12, 2014 September 1, 2019

Zebra MC40 OS Support 

Spok extends support of the Android OS for Zebra MC40 devices only.

Android OS Version OS Introduction Date End of Support Date for Spok Mobile (Zebra MC40)
Android 5.0+ (Lollipop) November 12, 2014 September 1, 2021
Android 4.4+ (KitKat) - FIPS Certified Zebra build only July, 2016 September 1, 2021