How to query the device code on the traffic card

The device code of the traffic card can be queried in the following ways:

1. Dial *#06# on your mobile phone to check. Each SIM card has a unique serial number, called an IMEI code. Users can dial *#06# directly on their mobile phone to query the IMEI code of the currently used SIM card. This code is the traffic card device code. .

2. Query in the phone's "Settings-About Phone-Status Information-IMEI Information". Users can search for the status information in their mobile phone settings options, and then query the SIM card serial number, that is, the traffic card device code, in the IMEI information in the status information.

3. Inquire through China Unicom’s official website. Users can enter "China Unicom official website" in the browser, log in to their account, find the "My Device" option on the personal center page, click this option to enter the device management page, and find the information they need to query the device on the device management page. , including device name, device type, etc., click query to get the device encoding information. In addition, China Unicom’s official website also provides a mobile phone query APP to facilitate users to query device codes anytime and anywhere.

4. Query via mobile app. Users can download and install the China Unicom mobile application "Wojia", open the application, select the "My" option to enter the account page, log in to their China Unicom account, enter the "Traffic Card" option, find the information about the device they need to query, and click The device code can be queried.

5. Inquiry via SMS. Users can open the mobile phone SMS application, create a new text message, paste the following content into the text message content: ID, and then send the pasted complete content to 10001. Wait a moment to receive a text message reply coded by the China Unicom traffic card device.

6. Inquire by calling customer service. Users can directly call China Unicom customer service hotline 10010, find the option "Query traffic card device code" in the voice prompts, and follow the prompts to query device code information.

The above are several ways to query the device code of the traffic card. Users can choose the appropriate method to query according to their own situation and preferences.