Notes
Why do my notes disappear all the time and then I have to turn the phone off and to get my notes to load?
Question marked as
That looks like your Wi-Fi network is 'weak' (?), because you need a strong Wi-Fi network.
See the following Apple articles:
Connect to Wi-Fi on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT202639
If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
https://support.apple.com/en-us/HT204051
Recommended settings for Wi-Fi routers and access points