If you agree to receive the results of your eligibility for "Delta Force" experience and other official event notifications via SMS and phone calls, please fill in and bind your correct mobile phone number. We will properly handle your personal information and protect your information security according to the law. You can unbind your mobile phone number at the unbinding entrance on the event page. Due to system delays, your mobile number will no longer receive related notifications after two working days from the unbinding operation. If you fill in and successfully bind your mobile number, it will be considered as agreeing to authorize us to collect and use your mobile number within the scope of the aforementioned purposes.