要更改支付寶綁定的手機號碼，首先確保能接收當前號碼的驗證碼，若無法接收則需完成身份驗證；其次打開支付寶進入賬戶設置；然后根據提示輸入新號碼并驗證；最后更新其他關聯(lián)服務的信息。具體步驟為：1.確認可接收當前號碼的驗證碼，若無法接收需提供身份證信息、回答安全問題或上傳身份證照片驗證身份；2.打開支付寶App，點擊個人資料圖標，進入“設置”或“賬戶與安全”，選擇“電話號碼”后點擊“更改電話號碼”；3.輸入當前號碼并獲取驗證碼，驗證后輸入新號碼并再次驗證；4.檢查淘寶、銀行賬戶等關聯(lián)服務是否需要同步更新信息。整個過程約十分鐘即可完成。

Changing the phone number linked to your Alipay account is a straightforward process, but it’s important to do it correctly to keep your account secure and ensure you continue receiving important notifications.

1. Make Sure You Have Access to the Current Phone Number

Before you start the process, confirm that you still have access to the phone number currently linked to your Alipay account. This is necessary because you’ll need to receive verification codes during the change process.

If you no longer have access to the old number, you’ll need to go through an additional identity verification step, which may include:

• Providing your ID information
• Answering security questions
• Uploading a photo of your ID card

Alipay does this to protect your account from unauthorized access.

2. Open Alipay and Go to Account Settings

To begin changing your phone number:

• Open the Alipay app on your phone
• Tap your profile icon in the bottom-right corner
• Select “Settings” (or “Account & Security” depending on your version)
• Look for the “Phone Number” option under your account details

Once there, tap on “Change Phone Number” or a similar prompt.

3. Follow the On-Screen Instructions

You’ll be guided through the steps to update your number:

• Enter your current phone number and receive a verification code via SMS
• Input the code to verify your identity
• Then enter your new phone number
• Confirm by entering another verification code sent to the new number

Double-check everything before confirming — once the change is made, your old number will no longer receive Alipay-related messages or codes.

4. Update Linked Accounts and Services

After successfully updating your phone number in Alipay, take a few extra minutes to check if other services are affected. For example:

• If you use your Alipay-linked phone number for Taobao or other Alibaba services, update those too
• Check any bank accounts or payment methods tied to Alipay to make sure they’re still properly connected

Sometimes, changing your phone number can affect login options or two-factor authentication settings elsewhere.

基本上就這些。只要準備好驗證信息，整個流程不會超過十分鐘，但能有效保障賬戶安全和正常使用。

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