Nokia C7–00 User Guide. Issue 3.1. Page 2. Contents. Safety. 5. Get started. 7. Keys and parts. 7. Insert the SIM card and battery. 9. Insert a memory card. Aug 26, 2010 The C7-00 is being described as the “Nokia N8 in a different body with a lower price” by the reviewer. The device has 8 GB of internal memory. The Nokia C7-00 is a Nokia Belle smartphone from the Nokia Cseries. The C7-00 features a Operating system · Symbian^3, Nokia Belle Refresh (v.111.040. 1511) Updated on 29 Aug'12. CPU · ARM11 680MHz processor. Storage. up to 350.