Unvaccinated tourists can register on Alhosn before arrival to the UAE by following these steps. 

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  Download the Alhosn App
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  Click on the visitor icon
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  Select the Pre-register option
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  Fill in your details (ensure that the mobile number you provide is the same number you will submit to ICA when you arrive in the UAE)
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  Review the provided information and continue
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  Enter the 6 - digit OTP sent to the registered phone number
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  Verify your profile after arrival in the UAE
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  To verify your profile, do a PCR test within 5 days of your arrival and provide a valid phone number.
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  After receiving the PCR result SMS, log into Alhosn using your registered phone number or the phone number you provided at PCR test center.