•This CM12.1 Nightly 5.1.1 tutorial is only for HTC One XL. Please don’t try this on any other variants of the phone.
•Make sure you backup all your data in your phone before proceeding.
•This is not an official HTC software update. This is a custom third-party ROM.
•Bootloader should be unlocked.
•Make sure ClockworkMod Recovery is installed on your phone.
Androidromfix provide various Firmware Updates and Rooting process along with Custom ROM,Modes,file are all belong to their owners/developers. The autor of this site or the developers are not responsible, if you damage or brick your device.Do it on your own risk and follow the instruction properly.
÷ HOW TO: Install CM12.1 Nightly 5.1.1 Lollipop on HTC One XL
Step 1- Download CM12.1 Nightly 5.1.1 ROM for HTC One XL to your computer and extract boot.img from the zip file separately.
Download Gapps as well.
Step 2 - Connect and mount your HTC One XL USB (mass) memory on 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 SD card. Make sure the files are in the SD card root (not in any folder).
Step 4 - Copy/paste the boot.img file to android-sdk-windows\platform-tools directory.
Step 5 - Then turn OFF your phone.
Step 6 - Now to get in the Bootloader/Fastboot Mode. Turn ON the phone while pressing and holding the Volume Down + Power buttons.
Step 7 - Once in the Fastboot mode (on your phone), navigate to android-sdk-windows\platform-tools directory (on your computer) and open Command Prompt (Shift + Right-click > Open Command Prompt).
Step 8 - Type the following command and press Enter.
fastboot flash boot boot.img
Step 9 - Then, type the following command and press Enter.
Step 10 - Follow the navigation instructions on the screen. Select BOOTLOADER and then go to RECOVERY.
Step 11 - Once you are in ClockworkMod Recovery, select perform a full data wipe by selecting “wipe data/factory reset” . Use the Power button to select everything while in the Recovery Mode.
Step 12 - Then, perform a cache wipe by selecting “wipe cache partition” .
Step 13 - 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 14- Then go back to the main recovery screen and select “install zip from SD card”.
Step 15 - 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 Gapps zip file as well and install it on your phone.
Step 16 - After the installation completes, go to “+++++Go Back+++++” and reboot the phone by selecting “reboot system now” from the recovery menu.
Your One XL will boot now and it might take about 5 minutes to boot on your first time. So, please wait.
That’s it! Your One XL should now have CM12.1 Nightly 5.1.1 Lollipop custom ROM installed on your phone! Go to Settings > About phone to verify.