If Facebook is so slow on your IPhone, then don’t worry, generally the problems occur because of the addition of some features or Facebook increases your iPhone memory space, that is why Facebook doesn't work on your iPhone. However, here we are sharing some easy steps that you can take to get rid of this issue.
1. Check your Internet connection. ‘
2. Clear all Cache and Data
3. Again start the Facebook Application.
4. Clear Facebook Storage Space
5. Disable all Browser Extensions.
After following all these steps, you can easily access your Facebook on your iPhone without any hassle.
Also Read - https://onlinegeeks-net.blogspot.com/2021/02/what-is-wrong-with-facebook-not-loading.html