# jAccount service-Network & Information Center of SJTU

**Source**: https://en.net.sjtu.edu.cn/jAccount_service.htm
**Parent**: https://en.net.sjtu.edu.cn/

### jAccount service

[Home](https://en.net.sjtu.edu.cn/index.htm)
  >  
[jAccount service](https://en.net.sjtu.edu.cn/jAccount_service.htm)

- Mar
  **16**

  [### Can I apply for multiple co-branded cards?

  Each person may activate only one co-branded card. If you use the same jAccount to apply for cards on multiple mobile devices, only the last activated card will be valid for use on campus; the remaining cards will be converted to regular transportation cards.](https://en.net.sjtu.edu.cn/info/1003/1595.htm "Can I apply for multiple co-branded cards?")
- Aug
  **12**

  [### How to disable the Si Yuan Code payment function

  To disable the "Si Yuan Codepayment function, please follow the steps:"My SJTU"App -> Si Yuan Code -> "... in the upper right corner -> Shut off the payment function.After that, the Si Yuan Code page will display a prompt message: "Payment function has not been enabled yet. Please click to enable." At this point, Si Yuan Code cannot be used for payments. If you need to re-enable the payment function,...](https://en.net.sjtu.edu.cn/info/1003/1515.htm "How to disable the Si Yuan Code payment function")
- May
  **12**

  [### Can alumni use the SiYuan code payment function?

  Alumni SiYuan Code has enabled payment functionality.](https://mp.weixin.qq.com/s/wyo-_GXAPzSB3NKnzcKzGA "Can alumni use the SiYuan code payment function?")
- Apr
  **14**

  [### How to bind jAccount with WeChat

  When the jAccount is bound with WeChat, you can use the WeChat scan function to log in to the PC version (my.sjtu.edu.cn) without entering the jAccount's unsername and password.The specific binding steps are as follows:1. Open WeChat, add the WeChat service account of the Network Information Center (search: Shanghai Jiao Tong University Network Information Center or SJTUNIC) and follow it;2. Enter ...](https://en.net.sjtu.edu.cn/info/1003/1475.htm "How to bind jAccount with WeChat")
- Feb
  **26**

  [### How to obtain Shanghai Jiao Tong University NFC Campus Co-Branded Card

  1、Open My SJTU APP, follow the activation instructions on the Siyuan Code page, click "Go to Download and Activate".         2、Download App “上海交通卡”(Shanghai Public Transportation Card) and click on "我的" （Mine）- "校园联名卡” （University Co-Branded Card).Select "上海交通大学”（Shanghai Jiao Tong University）and follow the prompts to complete the card collection. The card will automatically ...](https://en.net.sjtu.edu.cn/info/1003/1455.htm "How to obtain Shanghai Jiao Tong University NFC Campus Co-Branded Card")
- Dec
  **13**

  [### The service I can enjoy,when I have got my jAccount

  If you have got your jAccount "myname":1) you will enjoy many service as Email、WIFI and so on.](https://en.net.sjtu.edu.cn/info/1003/1024.htm " The service I can enjoy,when I have got my jAccount")

|  |  |  |
| --- | --- | --- |
| |  |  | | --- | --- | | Total18   1/3 | FirstPrevious[Next](https://en.net.sjtu.edu.cn/jAccount_service/2.htm)[Last](https://en.net.sjtu.edu.cn/jAccount_service/1.htm) | |