If you can't receive calls on your HUAWEI or ZenFone device, please try the settings below.

Note: The operations might be different depending on type of device and OS version.

HUAWEI devices

Check the following power saving settings.

• Android version 4.x and 5.x

Go to "Settings" on the device and select the "ALL" tab.
Go to "Power saving" > "Protected apps" and put a checkmark for SkyPhone if it is not checked.

• Android version 6.x and 7.x

Go to "Settings" on the device > "Advanced settings" > "Battery manager" > "Protected apps" and put a checkmark for SkyPhone.

• Android version 8.x or later

Go to "Settings" on the device > "Battery" > "Launch" > "SkyPhone" > "Manage manually" and enable all of the options.

Note: If you haven't checked or enabled the setting above, you may not receive incoming call notifications. Your caller will hear a ringback tone for a while and then see the "No Response" message.

Check the network settings.

• Go to "Settings" on the device > "Apps and notifications" > "Apps" > "SkyPhone" > "Data usage" and allow background data usage.

Note: If you don't allow it, you may not receive incoming call notifications.

[ HUAWEI/Examples of affected models ]

• P8 lite
• GR5
• P9 lite
• Ascend D2 (HW-03E)
• Ascend (HW-01E)
• Ascend Mate7
• Ascend G620S
• honor6 plus
• honor8
• P10 lite
• P20 lite

ZenFone devices

Check the Auto-start Manager setting.

• Go to "Settings" on the device > "Power management" > Allow SkyPhone in "Auto-start Manager."

Note: If SkyPhone is not allowed, you can't receive incoming call notifications.
Your caller will hear a ringback tone for a while and then see the "No Response" message.

[ ZenFone/Examples of affected models ]

• ZenFone2 (ZE551ML)
• ZenFone2 Laser(ZE601KL, ZE500KL)
• ZenFone Selfie (ZD551KL)
• ZenFone Zoom (ZX551ML)
• ZenFone Max (ZC550KL)
• ZenFone Go (ZB551)