Many neighboring countries can't receive verification codes.

1. First, confirm whether the mobile phone number is entered correctly. Carefully check whether the mobile phone number is entered incorrectly, including numbers and formats. The mobile phone number was entered incorrectly. You need to re-enter the mobile phone numbers of several neighboring countries and send the verification code again.

2. Secondly, check whether it exceeds the number of times to obtain the verification code. Many neighboring countries stipulate that only a certain number of verification codes can be obtained every day. If this limit is exceeded, no more verification codes can be obtained.

3. Finally, check whether the mobile phone security software has intercepted short messages from several neighboring countries. The mobile phone is equipped with security software, which will intercept the SMS verification codes of many neighboring countries. Temporarily turn off the interception function and get the verification code again.