How to download app from Test flight or update?

1. Start IPad.
2. Hit app test flight from dashboard.

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3. If there is already test flight build available then display open option in test flight.
4. If test flight build version is not available in ipad then it should display install.
5. Hit install button.

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6. Pop up for conformation would display. Click on install.

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7. Installation process will start, Which is display on dash board?

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8. If there is previous build version available of test flight then it should display with update option.
9. Hit update button.

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10. Test flight latest version build start downloading.