While Microsoft did not give a reason for its rather abrupt halt to the pre-orders, a source for The Verge said that Nokia is soon to announce a launch date and price for the Lumia 900. This release of information from Nokia could be the reason behind Microsoft's 180 degree change.
Did we hear you ask us for the specs? We are happy to oblige! The Nokia Lumia 900 will be equipped with a 4.3 inch WVGA AMOLED screen with a ixel density of 217ppi. A single-core 1.4GHz Qualcomm Snapdragon APQ8055 is under the hood with 512MB of RAM alongside. 16GB of native storage comes out of the box. The rear-facing 8MP camera captures video at 720p (30fps) while there is a 1.3MP front-facing camera for those who like to take self-portraits.
Denied by Nokia, earlier reports had a model called the Nokia Lumia 910 coming to T-Mobile after AT&T's rumored 45 day exclusivity period with the Lumia 900 ends. The Nokia Lumia 910 allegedly had the same specs as the Lumia 900 except for a 12MP camera.
source: TheVerge via WPCentral