Default [Q] Regarding EFS

Does flashing back a full Official firmware solve EFS corruption?
Currently Using.....
Phone: Samsung Galaxy Note 3 LTE [Not Rooted]
Rom: Stock Rom 4.4 Kitkat
Kernel: Stock Kernel


Past Devices: Samsung Galaxy S4 LTE, HTC Sensation, Nokia 5800 XM, Nokia N81,Sony Ericsson W910

Tablet: Google Nexus 10 [Rooted]
Rom: Stock Rom
Kernel: Stock Kernel