How to Install Android 5.1.1 Lollipop via SlimSaber LP ROM on OnePlus One

SlimSaber or SlimLP is one of the best android custom roms like the Cyanogen, AICP and other custom roms among the Android community.

The SlimSaber Lollipop (LP) also enhances great features, stability and customization of the Android Lollipop operating system, and the material design of this ROM is quite outstanding, compared to other custom roms. The source code of the custom rom is also optimized completely and gives the best performance of battery life

Some New Features Added to SlimSaber (Lollipop Version)
  • Compiled with a custom toolchain Sabermod for more performance and better battery life.
  • Compiled with the most GCC optimization level -O3.
  • Compiled with strict-aliasing compiler optimization.
  • Added patches to fix GCC strict-aliasing violation rules.
  • Added ARMv7 and Cortex-A9 optimized string handling routines for more smoothness and more memory optimization.
  • Added zzmoove governor to the SlimKernel.
  • Added some AOSP fixes and improvements.
  • Added some VanirAOSP fixes and improvements.
  • Disabled SQLite fsync to increase I/O performance.
Warning: Installation of Custom ROM on your android device voids its warranty, so following the instruction is at your own risk. The guide is strictly advised for pros or technically talented users to give a try.

>> OnePlus One USB Driver Needed, download to your PC

NB: Also try to back up your files before you proceed to the below guide to avoid loss of data.

Install Android 5.1.1 Lollipop via SlimSaber LP ROM on OnePlus One

Step 1: Enable USB debugging on OnePlus One To enable, Go to Settings » About Phone » Scroll down and tap build number several times until you will see a pop-up which states that, “You are now a developer”. Then go back to settings » developers option (which is above “About Phone”), and enable USB debugging, and connect your device to your computer.

Step 2: After that, download SlimLP zip file from here on your computer, and Google Apps from here and move the downloaded files to the internal storage of your OnePlus One.

Step 3: Now, switch off your device and boot to recovery mode (press and hold Volume Up + Home +Power button).

Step 4: Once you get to the recovery mode, simply perform a full system wipe (Wipe Data/Factory Reset, Wipe Cache Partition and then Wipe Dalvik Cache/ART cache from advanced section).

Step 5: After that, go to the recover main menu, then choose install ZIP from SD Card, then select the SlimLP Zip file and install immediately.

Step 6: Repeat the step 5 to also install the Google apps/

Step 7: Once the installation process is completed, simply go back main recovery menu and tap on Reboot system, and your device would be rebooted.

Once your OnePlus One is successfully rebooted, then you would notice the new experience of Android 5.1.1 Lollipop on your device with much amazing features. And just in case your device got stock in welcome screen during reboot, simply switch off and boot to recovery, then wipe cache partition and reboot.

Notice: Installation of Multiple ROMs on OnePlus One android device has become much easier with the use of MultiROM application, that is, you can flip between ROMs. Read my guide on how to install and use MultiROM on OnePlus One Android.

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How to Install Android 5.1.1 Lollipop via SlimSaber LP ROM on OnePlus One
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