Use the "Check Warranty" function on Apple's official website: Enter the serial number or IMEI number to check whether it is under warranty; 2. Check the Apple ID device list: Confirm whether the device has been bound to other accounts to avoid iCloud lock problems; 3. Go to the Apple Store or authorized service provider to check: Get the most accurate warranty and repair record information. The above method is applicable to iPhones with different purchasing channels, but the parallel cargo model may show abnormalities and needs to be judged based on the actual situation.

The warranty status of Apple phones is directly related to the subsequent maintenance costs, especially when there are problems with large items such as motherboards and batteries. If you buy the iPhone you have used, sold by a friend, or can’t remember the purchase time, you have to take the initiative to check the warranty status.

1. Use the "Check Warranty" function on Apple's official website

Apple provides a public tool called Check Coverage , which is the URL: http://ipnx.cn/link/b42a895fb052aa5ec44b75d31af69a2a . You only need to enter the device's serial number or IMEI number to see the current warranty status.

• Open Settings > General > About this unit, you can find the serial number and IMEI (if the cellular model is available).
• After entering the official website page, enter the serial number and complete the verification code verification to view it.
• The page will show if your device is still under warranty and if it is covered by AppleCare.

Note: This method can only check the devices sold through official channels. If it is an overseas version, it may show inactive status or cannot be queried. At this time, further confirmation of the source is required.

2. Look at the device list in Apple ID

After logging in to your Apple ID, enter the account page and you can see all the devices bound in the "Device" column. Although the warranty status will not be displayed directly here, it can be confirmed that the device has been paired with the Apple ID, which will help determine whether it is a machine used by the original owner.

• If you bought an iPhone in the second-hand market and the phone has not been erased and unbinded before, it means it may still be under someone else's iCloud lock. In this case, it will be difficult to enjoy the service even if it is found to have a warranty.
• Therefore, before purchasing a machine, it is best to let the seller erase the device in person and exit iCloud to ensure that you can use it normally.

3. Go to the Apple Store or authorized service provider to check on site

If you don't trust online results or want to know the device's condition in more detail, you can take your phone directly to the Apple Store or authorized service provider store. Staff can use the internal system to help you find out accurate warranty information, including whether it has been repaired or whether it has been replaced.

• It is recommended to book a Genius Bar in advance to save time in line.
• If the device has expired, you can also consult on the spot whether you can purchase AppleCare (some countries support extension of the purchase period).

This method is the most reliable, but also the most time-consuming, and is suitable for users who are preparing for repairs or intending to use it for a long time.

Basically these are the ways. The results found by iPhones purchased from different channels may be different, especially parallel cargo models such as the Hong Kong version and the US version. Sometimes they will display "Coverage Expired" or "No Information Found". This does not mean that there is a problem with the device, it is just not sold locally. Therefore, when checking, you should also make a judgment based on the actual situation.

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