As many as five new variants of the new Lumia device with 4-inch size and RM-1069 product code have been revealed from FCC data. RM-1068, RM-1070, RM-1071, RM-1032, RM-1034 are the five variants that can be seen in above screenshots taken from FCC certifications of the device. As you can see RM-1068 and RM-1032 are Dual-Sim variants, while other three are Single-sim variants.
The FCC report also reveals size specs of the devices and it seems to have 118.1 x 64.7 mm size, which compares to Lumia 530 size specs of 119.7 x 62.3 mm.
The FCC certification also reveals it to be a non-LTE device with HSUPA capability. More details given below.
Battery BV-5J / Charger AC-18E / Headset WH-108.
USA Bands: GSM/GPRS/EGPRS850, WCDMA850, GSM/GPRS/EGPRS1900 and WCDMA1900 bands
Outside of USA, the transmitter of the device is capable of operating also inGSM/GPRS/EGPRS900, GSM/GPRS/EGPRS1800, HSUPA/WCDMA900 and HSUPA/WCDMA2100 bands which are not part of this filing. This device has also HSUPA capabilities in all WCDMA bands listed above. HSUPA target powers are always lower than or equal to the corresponding WCDMA target power listed above, details of the HSUPA MPR scheme, power targets and power results can be found in Appendix D.
With its RM-1069 variant already passing certification in Indonesia, the 4-inch Lumia device which may have hardware touch-buttons and come with a 800 x 480 resolution display, looks destined for a sooner release.