OC and voltage tweaks. Taken from downthemachines source here:
https://github.com/downthemachine/N861_ZTE_kernel

Max frequency 1.8GHz (stock 1GHz). Something - that I can't figure out yet - is preventing the Max frequency from being changed "live"/while booted in a ROM. Right now I'm just building a 1.4GHz and 1.8Ghz version of the Kernel until I/somebody can figure out why can't change Max Frequency live.
Voltage tweaked for a litter better battery and max upped for higher frequencies.