TR211/ TR315 (N) / TR335 (N) series Firmware and release note (Please unzip the file after downloaded)
TR211/ TR315 (N) / TR335 (N) series Firmware v0.0.0000.37 and release note
TR315 (N) / TR335 (N) Quick Guide
TR211/ TR315 (N) / TR335 (N) series User Manual
TR211/ TR315 (N) / TR335 (N) series User Manual (English version)
TR211/ TR315 (N) / TR335 (N) series User Manual (Korean version)