The main reason is that your internet connection may not be strong enough, or that you’re not connected to a Wi-Fi connection at all, which is preventing from the backup from being downloaded and restored.
There are generally a few reasons as to why your Android phone won’t restore a backup. Drag the files you want to transfer to your Android. Step Six: A file transfer window will appear.Step Five: Open USB For and select File Transfer.Step Four: Tap Charging this device via USB.Step Three: Plug your phone into your computer using the USB charging cord.
You can download this application from the website.
Step One: Download and install Android File Transfer onto your computer.
To restore a backup from your computer to your Android using a Mac computer (note: your computer must be running Mac OS X 10.7 and above to be able to perform these file transfers). How to restore Android backup from a Mac computer
How to restore Android backup from a Windows computer It is important to remember that restoring information does have limitations, with some older apps unable to be restored and requiring you to download them again, and that you can’t restore a backup from a new Android to a phone running an older Android system.