This article explains how to stop syncing iPhone contacts with iCloud account. This means that using the iPhone you will only be able to view the contacts that are stored locally on the device.
Steps
Step 1. Launch the iPhone Settings app
It is characterized by a gray gear icon placed on the Home of the device.
In some cases you will find it inside the "Utility" folder displayed on the device Home
Step 2. Scroll down the menu that appeared to be able to select the iCloud item
It is listed in the fourth option section of the "Settings" menu.
Step 3. Sign in with your iCloud account (if needed)
- Enter your Apple ID password;
- Press the Login button.
Step 4. Scroll down the menu that appeared and deactivate the slider next to Contacts
At this point, the iPhone Contacts app will no longer sync with iCloud data. Any iCloud contacts that are not already on the iPhone will be automatically removed from the device.