TUTORIAL: How to Install 5.1.1 CM12.1 Nightly Lollipop on Asus Transformer Pad TF300T
We have put together a detailed step-by-step instructions guide on how to install 5.1.1 CM12.1 Nightly Lollipop custom firmware on Asus Transformer Pad TF300T. If you are used to installing custom ROMs on your Transformer Pad TF300T, then this should not be any different for you.
As we mentioned earlier, you need to have a custom recovery installed on your phone. Please do that first and then get back to this tutorial. And before you proceed below, make sure you read the tutorial once before actually performing it on your Android device.
- This tutorial is only for installing 5.1.1 CM12.1 Nightly ROM on Asus Transformer Pad TF300T. Please do not try on any other Transformer Pad TF300T variants.
- Your phone should have a custom recovery installed and should be rooted (optional) from before.
- This tutorial will wipe out all your data. Make sure you backup all your data in your phone before proceeding.
- Perform a Dalvik Cache wipe before proceeding from the Recovery Mode.
- Good luck!
Complete Step-By-Step Instructions:
Step 2 – Connect and mount your Transformer Pad TF300T USB memory to your computer using the USB cable.
Step 3 – Now copy/paste the downloaded 5.1.1 ROM zip and Google Apps zip files to your phone memory / SD card. Make sure the file is in the phone memory / SD card root (not in any folder).
Step 4 – Then turn OFF your phone and disconnect from the USB cable.
Step 5 – Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Up + Power buttons together. Alternatively, read this: How to Enter Recovery Mode on Any Android Phone.
NOTE: Screenshots of the ClockworkMod Recovery may change as new versions are released.
Step 6 – Once you are in ClockworkMod Recovery, select perform a full data wipe by selecting “wipe data/factory reset” as shown below. Use the Power button to select everything while in the Recovery Mode.
Step 7 – Then, perform a cache wipe by selecting “wipe cache partition” as you can see in the image below.
Step 8 – Now this is optional, but it is recommended to perform a wipe of your dalvik cache as well. You will not get into boot loops or any other errors. From CWM recovery, go to ‘advanced’ and then select “wipe dalvik cache”.
Step 9 – Then go back to the main recovery screen and select “install zip from SD card”.
Step 10 – Now select “choose zip from sdcard”. Using your volume keys, navigate to the 5.1.1 ROM zip file that you copied to your SD card and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.
Google Apps: Repeat the above step for the Google Apps zip file as well and install it on your phone.
Step 11 – After the installation completes, go to “+++++Go Back+++++” and reboot the phone by selecting “reboot system now” from the recovery menu as show below.
Your Transformer Pad TF300T will boot now and it might take about 5 minutes to boot on your first time. So, please wait.
That’s it! Your Asus Transformer Pad TF300T should now have 5.1.1 CM12.1 Nightly Lollipop custom ROM installed on your phone! Go to Settings > About phone to verify.
If you run into any problems, feel free to drop us a comment below and we will reply you back ASAP with the fix or the solution to your problem.