NokiaPowerUser managed to dig up some more FCC dirt on the upcoming Nokia flagships, and not only discovered the exact size of the handset, but also that one version will have Qi built-in, while another will not.
From the above diagram the handset is 81 x 152 mm, which is about the same as we estimated earlier. More interesting however is the news about the Qi charger.
In the FCC report the tester writes:
Difference between RM-938 and RM-940 is that DTM feature and WCDM1700/2100 (Band 4) will be disabled from RM-940, and RM-940 will GPRS support multi-slot class 10. In the testing reported here multi-slot class 12 has been available as worst case in all the samples. Additionally, difference between RM-940 and RM-938 is that RM-940 has only Wireless Charging interface pins in the backcover, while RM-938 has built-in Wireless Charging (WPC/Qi) loop. This HW difference was tested according to FCC KDB 648474 D03 Wireless Chargers Battery Cover V01R02
The version with the built-in Qi charging loop is expected to be the Global version, which is good news for those tired of the very finicky wireless charging case.
See the FCC documentation here.