Android

• Press the phone icon.
• Select more (on the right handside)
• Select more settings/supplementary services.
• Press Call forwarding.
• Select the required divert type (Voice/Video)
• Press Disable

 

Huawei IOS

• Press the phone Icon.
• Select settings.
• Select Call forwarding.
• Press Always forward.
• Select Disable

 

IOS

• Select settings and then scroll down to tap phone
• Tap on Call forwarding
• Press turn off