[citation needed] On 2 March 2015, Microsoft presented its successor, the Microsoft Lumia 640, with improved 1280x720 HD display, 1 GB of RAM, 8 MP camera with 1080p video recording and LED flash, front-facing camera for selfies and video conference, large 2500 mAh battery, Office 365, Microsoft Outlook and Windows 10 Mobile upgrade ability.

It was announced in an event was held at the Bonifacio Global City, Taguig on 13 May 2014, and offered at an affordable price of ₱7,990.

[15] The Lumia 630 launched in November 2014 for the USA market exclusively for Cricket Wireless.

[citation needed] The dual-SIM variant of the device has phone call audio loss issues.

The international version of Lumia 638 was released but only sold in India exclusively through the Microsoft Brand Store at Amazon.in since December 2014 and is at present the cheapest 4G smartphone in the country.