iphone SE第一代無法登入私人Teams

Question

iphone SE第一代無法登入私人Teams

Ko Ko 20

使用iphone SE第一代，已更新至iOS 15.8.6，在更新Teams版本之後無法登入私人Teams帳號，多次卸載Teams重新安裝重新開機，仍然顯示 "登入錯誤，請再試一次。"另外一支iphone 17可以正常登入私人Teams帳號。

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Answer 1

Chloe-L 13,690 Microsoft 外部員工仲裁者

此回覆已自動翻譯。因此，可能會出現語法錯誤或不常見的措辭。

您好 Ko Ko，感謝您在 Microsoft Q&A 論壇發文。

發生這個「登入錯誤」的原因是 Microsoft Teams 目前官方僅支援最新的兩個 iOS 版本。由於第一代 iPhone SE 最高只能更新到 iOS 15.8.6，很遺憾地，它已經落在了支援範圍之外。這也解釋了為什麼您的 iPhone 17 使用起來完全沒有問題。

當您重新安裝 App 時，它清除了原先讓您保持登入狀態的舊「登入記憶」（權杖/Tokens）。由於系統目前已不再支援該裝置，因此它不會允許重新進行全新的登入。

為了讓您能繼續處理聊天與會議，以下是維持使用 Teams 的最佳方式：

使用較新的裝置： 繼續在運行支援 iOS 版本的較新裝置上使用 Teams，就像您的 iPhone 17 一樣。
使用電腦： 您可以透過電腦輕鬆存取您的私人 Teams 帳戶。您可以下載桌面版應用程式，或是直接透過瀏覽器造訪 teams.microsoft.com 登入網頁版。

希望這能幫您釐清為什麼您的 iPhone SE 暫時要從 Teams 任務中「小休片刻」！如果您需要進一步協助，歡迎隨時回覆。

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Ko Ko 20 信譽點數

2026-03-10T23:31:56.5133333+00:00

Thanks, Chloe. What if I re-installed an old version of Teams? BTW, I can log in my company Teams account with this 1st generation iphone SE without any problem.
Chloe-L 13,690 信譽點數 Microsoft 外部員工仲裁者

2026-03-10T23:54:27.77+00:00

Hello Ko Ko,

Thank you for the update! It is interesting to see that your 1st generation iPhone SE is still handling your company account without any trouble.

When an operating system and app version fall out of official support, Microsoft no longer guarantees functionality, and unpredictable behaviors can occur. This access is likely just an artifact of how that specific old version routes work tokens versus personal tokens. It is not an officially supported feature, and it is highly likely that the work account will also lose access eventually as server-side protocols continue to update.

Regarding your question about reinstalling an older version of Teams, you likely already did this without realizing it. When you download an app on an older iPhone, the App Store typically displays a message saying: "The latest version requires iOS 17, but you can download the last compatible version."

The result remains the same even with that version installed: when you try to log in with a personal account, the modern Microsoft security servers can still reject the connection. This is because the older app lacks the required security certificates and protocols necessary for personal account authentication.

If you must use that iPhone SE for Teams, the only remaining option would be to try using Teams for the web through your mobile browser.

Best regards,
Ko Ko 20 信譽點數

2026-03-11T00:22:32.6566667+00:00

Dear Chloe,

Great. This solved all my puzzles.
Chloe-L 13,690 信譽點數 Microsoft 外部員工仲裁者

2026-03-11T00:28:01.4166667+00:00

Dear Ko Ko,

I am so happy to hear those puzzles are finally solved and that the explanation made sense for you.

Thank you for being so kind throughout our conversation. If you have any other questions or encounter any further issues in the future, please feel free to reach back out.

Best regards,