Nokia announced both the Lumia 720 and the Lumia 520 at the recent MWC in Barcelona, Spain. Both devices are now available for pre-order via Unlocked-Mobiles in the UK.

The Lumia 720 comes in three different colors, black, red and yellow. The device should be available come April 1 for £294.98. Purchase the Lumia 720 here.

Next up, the Lumia 520 comes SIM-free in all colors, black, white, red, magenta and yellow. Expect the handset to be available on April 1 for £159.98. You can pre-order the Lumia 520 right here.

Both devices are the latest effort from Nokia to expand its Lumia line to different markets and price points. The Lumia 720 brings to the table high-end Windows Phone 8 smartphone features at mid-range price point, while the Lumia 520 is the most affordable Windows Phone 7 device yet.

Lumia 720 specs:

• Main camera sensor: 6.7 megapixels
• Display size: 4.3 inches
• Processor name: Snapdragon^TM S4
• Maximum 3G talk time: 13.4h
• Maximum 3G standby time: 520h
• Music playback time: 79h
• USB: USB 2.0
• Bluetooth: Bluetooth 3.0
• Bluetooth profiles: Object Push profile (OPP) 1.1, Hands-free profile (HFP) 1.5, Phone Book Access Profile (PBAP) 1.0, Advanced Audio Distribution Profile (A2DP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.4
• Wi-Fi: WLAN IEEE 802.11 b/g/n
• Wi-Fi security modes: WPA2 (AES/TKIP), WPA, WPA-Personal, WEP, PEAP-MSCHAPv2, EAP-SIM, EAP-AKA
• NFC: NFC sharing, NFC pairing, NFC tagging

Lumia 520 Specs:

• Main camera sensor: 5 megapixels
• Display size: 4 inches
• Processor name: Snapdragon^TM S4
• Maximum 3G talk time: 9.6h
• Maximum 3G standby time: 360h
• Music playback time: 61h
• USB: USB 2.0
• Bluetooth: Bluetooth 3.0
• Bluetooth profiles: Object Push profile (OPP) 1.1, Hands-free profile (HFP) 1.5, Phone Book Access Profile (PBAP) 1.0, Advanced Audio Distribution Profile (A2DP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.4
• Wi-Fi: WLAN IEEE 802.11 b/g/n
• Wi-Fi security modes: WPA2 (AES/TKIP), WPA, WPA-Personal, WEP, PEAP-MSCHAPv2, EAP-SIM, EAP-AKA
• NFC: No NFC