For Android version, If you encounter download or installation problem, please refer to: |
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While installing the Etutor.iClass app, if screen pop-up For your security, please tap Settings.
当安装 Etutor.iClass app 时,屏幕提示 For your security,点按 Settings 。
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Swich on Allow from this source.
打开 Allow from this source。
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Back to Install unknown apps.
返回app 安装界面
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4. |
Install App.
安装app
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