SlimKat is one of the few first custom firmwares that were available on Android 4.4 KitKat. Rich with features, SlimKat gives stock experience of KitKatwhile offering a stable and speedy performance. Here is how you can update Nexus 7 to Android 4.4.4based SlimKat custom ROM.

SlimKat Android 4.4.4 KitKat features:

All SlimKat FeaturesBuilt in Kangaroo KernelFull USB-DAC Support (Hot Plug, on Boot, Volume Control)Wake-Lock BlockerVolume and Media Keys available to put in the NavbarSupport for all file systems (ALL-F2FS, DATA-F2FS, ALL-EXT4)Easycap Support

Prerequisites before youupdate Nexus 7 to Android 4.4.4 SlimKat:

Downloadand install USB drivers for AsusNexus 7 on your computer.Enable USB debugging mode from developer menu.Your Nexus 7 should be unlocked and rooted.You should have a custom recovery tool like TWRP or CWM installed on your Nexus 7.Backup anyimportant databefore going forward for the tutorial.Ensure that your Nexus 7 carries more than 70% of charge.

How toupdate update Nexus 7 to Android 4.4.4 SlimKat ROM:

Required files: download the SlimKat Android 4.4.4custom ROM firmware file fromhere. Also download the Google Apps Package for ASUS Nexus 7.Save both the files on your computer and do not extract the contents.

Here are the steps toupdate Nexus 7 to Android 4.4.4 KitKat based SlimKat custom firmware.

Connect your new Nexus 7 with computer using a USB cable and copy the firmware and GApps files on your device' SD card.Disconnect your Nexus tablet from computer when the copy is done.Turn off the Nexus 7 completely and reboot it into recovery mode withVolume Up+Volume DownandPowerkeys.Perform Nandroid backup of your current OS:Backup and Restore>BackupNow perform data wiping tasks: selectwipe data / factory reset,wipe cache partition, and finallywipe dalvik cache.Return to the main recovery menu and selectInstall zip from sdcardfollowed bychoose zip from sdcard.Locatethe downloaded SlimKat Android 4.4.4 custom firmware file for Nexus 7 and confirm the installation.Once the custom ROM is successfully installed on Nexus, repeat the above step but select GApps file this time.When done, reboot your Nexus 7 to boot into the newly installed SlimKatcustom ROM.