This article explains how to restrict Salesforce access from specific browsers or device types, such as Android browsers. There are two main approaches:
Important prerequisite for the Login Flow approach: The setting "Enable Lightning runtime for flows" in Process Automation Settings must be disabled for the login flow to run correctly.
LoginFlow_UserAgent.Start Page.Browser_information.LoginFlow_UserAgent.{!LoginFlow_UserAgent}. Add a descriptive message of your choice.Decision page.LoginFlow_UserAgent.Block Page.Warning: Salesforce cannot be accessed from an Android browser due to your organization's security policy.000387318

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