For testing business chat, i need login business chat sanbox, but always faild and give me message like below:
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Device is not supported
Business Chat requires the following OS version:
iOS - 11.3 and higher
macOS - 10.13.4 and higher
watchOS - 4.3 and higher
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but mine testing env highest version is:
iOS - 11.2.6
macOS - 10.13.3
please help.
BTW:
iCloud, iMessage, Business Chat Sandbox use one account like apple required.