To fix Gmail not receiving emails on iPhone, you have to follow some steps such as:
1. Before proceeding to any step, firstly check the Internet connection.
2. In the next step, you must ensure that Gmail record settings should be correct.
3. Then click on the Settings option, and select the Accounts and Passwords option.
4. Next, click on your email account and check the default settings.
By following the above-listed ways you can fix Gmail not receiving emails
. Although if the problem still persists then feel free to contact our technical support team.