Restarting is a very effective way to fix issues by ending the ongoing processes that are interrupting the Gmail syncing process. Therefore, we recommend you restart your phone. Some issues occur due to problematic phone and syncing issues is one of them. Solutions to Gmail Not Syncing With iPhone Solution 1: Restart your device After finding the underlying cause, you are suggested to move to the next section that includes multiple solutions that can help you fix Gmail syncing problems if Gmail is not working on iPhone. These causes are quite helpful to figure out the solution that would work for you when your Gmail is not syncing on your iPhone.
The major cause that can induce sync issues is the glitch in data transfer taking place in the backend and affecting the smooth working of the iPhone mail app.
Reasons Why Gmail is Not Syncing with iPhone
Syncing errors of Gmail with iPhone, also affect the overall speed and performance of the Mail app and thus re-syncing becomes necessary in such cases. When Gmail is not syncing with your iPhone, all the basic functions such as sending and receiving emails, open and read messages, accessing calendars and contacts would stop working.