Backup of an Android mobile device pauses once the device is locked.
Wi-Fi is turned off when in sleep mode.
Enable Wi-Fi usage while in sleep mode. You can find the setting in one of these ways:
The setting may vary depending on the manufacturer and Android version.
- Navigate to Settings -> Wireless & networks -> Wi-Fi settings -> Advanced -> Wi-Fi sleep policy.
- Set the setting to Never.
- Navigate to Settings -> Wi-Fi -> Menu -> Advanced.
- Set Keep Wi-Fi on during sleep to Always.