![Lumia 640 4G LTE Smartphone, 6764A with 8GB Memory Cell GoPhone - Black - Compatible with Microsoft Nokia 8.1 Phones -Carrier Locked to AT&T Wireless Lumia 640 4G LTE Smartphone, 6764A with 8GB Memory Cell GoPhone - Black - Compatible with Microsoft Nokia 8.1 Phones -Carrier Locked to AT&T Wireless](https://m.media-amazon.com/images/I/81LFGVLQVVL._AC_UF894,1000_QL80_.jpg)
Lumia 640 4G LTE Smartphone, 6764A with 8GB Memory Cell GoPhone - Black - Compatible with Microsoft Nokia 8.1 Phones -Carrier Locked to AT&T Wireless
![Official Windows 10 Mobile eligible devices list has batches of devices receiving the update - Nokiapoweruser Official Windows 10 Mobile eligible devices list has batches of devices receiving the update - Nokiapoweruser](https://i0.wp.com/www.nokiapoweruser.com/wp-content/uploads/2015/11/Hands-on-Build-10586.11.jpg?resize=771%2C717)
Official Windows 10 Mobile eligible devices list has batches of devices receiving the update - Nokiapoweruser
![Lumia 640 4G LTE Smartphone, 6764A with 8GB Memory Cell GoPhone - Black - Compatible with Microsoft Nokia 8.1 Phones -Carrier Locked to AT&T Wireless Lumia 640 4G LTE Smartphone, 6764A with 8GB Memory Cell GoPhone - Black - Compatible with Microsoft Nokia 8.1 Phones -Carrier Locked to AT&T Wireless](https://m.media-amazon.com/images/I/61DxZWLcJDL._AC_UF894,1000_QL80_.jpg)
Lumia 640 4G LTE Smartphone, 6764A with 8GB Memory Cell GoPhone - Black - Compatible with Microsoft Nokia 8.1 Phones -Carrier Locked to AT&T Wireless
![Cricket Wireless Microsoft Lumia 640 4G LTE with 8GB Memory Prepaid Cell Phone Cyan DMCN5002 - Best Buy Cricket Wireless Microsoft Lumia 640 4G LTE with 8GB Memory Prepaid Cell Phone Cyan DMCN5002 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/5341/5341200_sd.jpg)