How to Backup an iPhone 5: The Easy Way

Back up iPhone Go to Settings >, [your name] >, iCloud >, iCloud Backup. Turn on iCloud Backup. iCloud automatically backs up your iPhone daily when iPhone is connected to power, locked, and connected to Wi-Fi. ... To perform a manual backup, tap Back Up Now.
Read more at support.apple.com

Backing up your iPhone is one of the best things you can do to protect your data. If you ever lost or damaged your phone, you would lose all your contacts, photos, and other important information. Apple makes it easy for you to back up your iPhone using iCloud, and in this post, we’ll show you how to do it.

First, open your Settings app on your iPhone. Make sure you’re connected to a Wi-Fi network because you can’t back up your phone through your cell phone provider’s internet service. If you’re not connected, tap on Wi-Fi and choose a network to connect to.

Once you’re connected, scroll down and tap on iCloud. If you already have an Apple ID on your phone, it will be at the top of the screen under the iCloud heading. Scroll down until you see “Backup” and make sure it’s turned on. Everything that’s turned on or green will be backed up.

Next, tap on “Backup Now” to start the process. This may take a few minutes or up to 30 minutes depending on how much content you have on your phone. Don’t leave the Wi-Fi range or turn off Wi-Fi during this process.

Once the backup is complete, you’ll see the date and time of the last backup under “Back Up Now.” You can manually backup your phone anytime by tapping on “Backup Now” again.

Apple will also occasionally send you prompts to remind you to backup your phone. If it’s been a while since your last backup, you’ll get a pop-up message on your screen.

Backing up your phone is that simple and it’s essential if you want to protect your data. If you ever have to reset your phone or get locked out, you’ll be able to restore your information from your iCloud backup.

FAQ

Does iPhone 5 have iCloud backup?
Your iPhone 5 must be connected to a Wi-Fi network. Under Settings >, [your name] >, choose iCloud. Choose iCloud Backup. Then press Back Up.
How do I backup my iPhone 5 to my computer using iTunes?
Connect your device to the computer you normally sync with. You can connect your device using a USB or USB-C cable or a Wi-Fi connection. ... In the iTunes app on your PC, click the Device button near the top left of the iTunes window.Click Summary.Click Back Up Now (below Backups).
Read more on support.apple.com