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Since a lot of you reported a higher battery drain in the new KitKat firmware (some have even noticed the same problem in the old Jelly Bean), you can now try out this custom kernel compiled by xda member TheBootloader for the Samsung Galaxy S4 mini LTE (GT-I9195) which may just solve some of your drain problems.


What this kernel aims is system stability, a boost in the speed, less battery drain and of course some additional features such as USB OTG support, BLN and others. Also this kernel does not come bloated with random governors and schedulers but only a few select ones by the developer that he finds the most useful.

This kernel is also offered in two variants - Jelly Bean and KitKat. So for those of you who still haven't upgraded to KitKat, you may also give this kernel a try. The features of the custom Jelly Bean kernel are pretty much the same as in the KitKat one.


Version 1 & 2 changelogs:

  • Added OTG support (Not working yet)
  • Removed TIMA Change to XZ compression
  • Added BLN support (Not working yet)
  • Added battery drain patches
  • Optimize kernel for speed, not size
  • Preparation for init.d support
  • Permissive SELinux

Future plans:

  • Add proper Prima WLAN driver - So we don't rely on the stock kernel-module (This restricts which kernel options I can change)
  • Add a few more optimizations
  • Busybox Version?
  • Add init.d
  • Pre-rooted version?

Downloads:

BrisK Kernel for Jelly Bean - Click here.
BrisK Kernel for KitKat - Click here.

Installation: 

  1. Before you attempt to flash the custom kernel, be sure that you are using a custom recovery such as CWM Recovery, TWRP or PhilZ and not the stock recovery.
  2. Download the kernel zip file according to your Android version in to your sd card.
  3. Boot into Recovery mode by holding Volume up + Home + Power buttons together.
  4. Choose install zip. 
  5. Choose choose from external sdcard (choose zip from /storage/sdcard1/ if you have a newer version of CWM Recovery).
  6. Select the kernel zip file and choose it Choose Yes to confirm when asked.
  7. After the installation is complete, go back and choose reboot system now.
If you are having problems with the custom kernel you can revert back to a stock one at any time by flashing one of the following: Jelly Bean stock and KitKat stock.

Source: xda

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