very less dev support @@

try check here:

http://forum.xda-developers.com/galaxy-s3/development-i9305

my friend pakai aosp no issue so far,

i9305+Zerolemon battery+aosp rom> S4 or even s5

but got knox, is annoying

ya but got LTE and 2gb ram is attracting @@

time to use titanium backup to freeze

yup require root

got knox then is different step already
go look for it

mind to tell how u root? i root my gf note 3 also with knox bo issue mate..

no offence mind to download the root checker to check if its rooted>?
if yes-->go to supersu and check those list of granted root apps , if u are rooted and miss the request to grant permission u should see some circle symbol (deny symbol) click it and put grant u should be able to use tibu

else reinstall and see whether it request for permission---> to make life easier best go to the supersu app setting and set all prompt request to grant permission so u wont miss the request anymore

mind to tell how u root? i root my gf note 3 also with knox bo issue mate..

no I don't recommend slim anymore  can check the thread random reboot, heat problem,  no theme support mentioned by reputable user such as scarface all this problem seems to be the stable version so unless u willing to try the weekly , if you plan to go for temasek I would say go for v62  63 if u lazy to flash  camera fix. if temasek only stick with bank gapps if not the temasek camera would be replaced.

Ooo temasek for i9300
didn't realise yours  are lte