> It’s impossible for a 3rd party smartwatch to send text messages From Apple's docs: https://support.apple.com/en-us/102842 "Message Access Profile (MAP 1.4) This profile is compatible with iPhone 5s and later. Message Access Profile allows devices to exchange messages. It's used to receive incoming message notifications on connected vehicles. iOS and iPadOS support these MAP functions on connected vehicles: - Recei…
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>•Not provide a user interface for sending messages. Devices do not support sending messages using MAP.
From: “Accessory Design Guidelines for Apple Devices” [0]
[0] https://www.bluetooth.com/wp-content/uploads/attachments/Blu...