Samsung Galaxy Tab 7.7 Plus (DoCoMo) SC-01E Firmware Overview
What is the latest SC-01E firmware?
SC01EOMAMF2, released June 17, 2013 with Android 4.0. The archive holds 2 official builds across 1 region (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy Tab 7.7 Plus (DoCoMo) still getting updates?
Most likely not: there has been no new firmware since June 2013, so Android 4.0 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
All SC-01E firmware builds
How to Flash SC-01E Firmware
Put the Samsung Galaxy Tab 7.7 Plus (DoCoMo) into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.