What if I don’t have WiFi

Device or computer?

IOS

See if anything here helps. 

Connect to Wi-Fi on your iPhone, iPad, or iPod touch

Troubleshooting Wi-Fi issues in IOS.    

OS

What does Wireless Diagnostics show?

Wireless Diagnostics

Wi-FI connection drops

Wi-Fi Problems in OS X Yosemite

Wi-Fi Problems in OS X Yosemite (3)

WiFi Potential Temporary fix - Yosemite 

Also try turning off Bluetooth.

If your Wi-Fi source is capable of generating a 5 GHz Wi-Fi network, try that to help avoid conflicts with Bluetooth.

Troubleshooting Wi-Fi issues in OS X

Wireless Connection Problems - Fix

Wireless Connection Problems - Fix (2)

  Wireless Connection Problems - Fix (3)

 Wireless Connection Problems - Fix (4)

I have the same problem. I live 10 miles from town, rural, and my phone is my wifi. How do I back up iCloud without being connected to a different wifi since I use my iPhone as a hotspot on other devices?

iamaParamedicnurse2158 wrote:

What if I don’t have WiFi?

Then find a wifi and connect to it.