Mine is n910h with sixperience rom. Had 92000 score antutu and my battery is better than ever. Its like i have the perfect combination. Man try to update your bootloader to the latest one for your phone i think it will work then.
Any xposed mods ? And can you check your buildprop just in case for ro.securestorage.support=falsestock kernel dn5 with supersu 2.68 beta.
when i flash peasus 2.1 :
if flash supersu 2.68 hang on logo repeat.
else flash supersu 2.46 ,got root but cant connect wifi.
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