> For the complete documentation index, see [llms.txt](https://halo-dot-developer-docs.gitbook.io/halo-dot/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://halo-dot-developer-docs.gitbook.io/halo-dot/sdk/halo-system-baseline.md). # Halo System Baseline Introduction The Halo Dot Solution is an Android Application that enables the process tap on phone with capable Android Devices. This page describes the minimum requirements for the installation and execution of the Halo Dot solution. The Halo Dot Solution maintains a system baseline based on: * Operating systems * Devices supported * SCRP devices supported ### Operating Systems **Operating System Baseline** Android version 10 | **OS** | **Version** | **Status** | **Reason for deprecation** | | :-----------------------------: | --------------------- | ------------------- | ----------------------------------------- | |

Android

| version 6 Marshmallow | DEPRECATED | Version does not receive security patches | | | version 7 Nougat | DEPRECATED | Version does not receive security patches | | | version 8 Oreo | DEPRECATED | Version does not receive security patches | | | version 9 Pie | DEPRECATED | Version does not receive security patches | | | Version 10 | ACTIVE **BASELINE** | | | | Version 11 | ACTIVE | | | | Version 12 | ACTIVE | | | | Version 13 | ACTIVE | | | | Version 14 | ACTIVE | | | iOS | Not applicable | NOT SUPPORTED | | | Harmony OS | Not supported | In development | | ### Devices Supported Google-certified device All devices that are currently compatible for the Halo Dot Solution are defined and managed in the [Google Play Console Device Catalogue](https://play.google.com/console/u/0/developers/7094180247634818303/app/4974352686746815262/devices). ### SCRP Devices Supported | | **Manufacturer** | **Model** | **Supported EMVco Kernels** | **PCI Listed** | | - | ---------------- | --------- | -------------------------------------------- | -------------- | | 1 | Wiseasy | R1 | Mastercard, Visa, American Express, Discover | | The [Acceptance Process to Update COTS platform to Baseline](https://synthesis-software.atlassian.net/wiki/x/J4A0_/) page identifies and process for making updates to the COTS. This also describes the frequency of Changes to the system baseline and how they are implemented on an ad hoc basis. The depreciation of operating systems and devices are communicated according to the [non-functional](https://synthesis-software.atlassian.net/wiki/spaces/H/pages/2411921411/Communication+Schedule#Manual-Communication-Channels) communication in the Halo communication schedule. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://halo-dot-developer-docs.gitbook.io/halo-dot/sdk/halo-system-baseline.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.