Clearing the cache removes potentially corrupted files without deleting your personal chat history.
Go to your old device’s WeChat → Me → Settings → Account Security → Login Device Management → Look for the pending request. wechat login error 5 13
If you use "Login via Mobile Number" and have recently changed your SIM card or are roaming, the mismatch between the SIM’s home country and your current IP can cause a 5-13 error. wechat login error 5 13
Now that we've identified the possible causes, let's move on to the troubleshooting steps to resolve the WeChat login error 5 13: wechat login error 5 13