How to transfer contacts from Sony Xperia to Microsoft Lumia 640
Transfer contacts from your Sony Xperia to the cloud server
PhoneCopy.com is a web service which is free for personal purposes (with few limitations). This tutorial will show you how to backup your device. The whole process can be completed in few minutes.
Download PhoneCopy for Android to your Android phone, which you can download free of charge. After downloading and installation, go through following steps.
Run the app and create new account. You can check which contact databases you want to backup and synchronize. You can do multiple choice.
After successful login, press "Advanced & Account". Select "One-way sync" and after choose "This device >> server".
Contacts from your Android phone will be copied to PhoneCopy.com server in few seconds.
And now it's time to transfer data to your Microsoft Lumia 640
Now you have all your contacts backed up on PhoneCopy and you can edit all your contacts in your online account. If you lose your phone or the stored data, or if you just run out of battery, you can see your contacts online.
Some additional tips:
Just as a reminder, the contacts are transferred via your mobile phone service provider, so you need to have data plan activated for the service to work. If you don't have a special data scheme, your carrier will charge you additional fees.