Update HTC One M7 To Android L Developer Preview

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This year, at Google’s I/O 2014 event, the upcoming major Android version was announced with innovative features and revamped UI interface.

Everyone is waiting to taste Android L on their devices, while the Google has only released the Android L Developer Preview build for it’s Nexus 5 and Nexus 7 (2013) devices. But thanks to the developers who has successfully managed to port Android L Developer Preview for other flagship devices from the available source code.

A few days back, a senior XDA member and a team of developers managed to update HTC One M7 To Android L Developer Preview.

It’s really amazing to have the latest build on our devices without the official release, but the port is still in alpha stage so it’s not recommended for a regular use as many of the things are not working.

Update HTC One M7 To Android L Developer Preview

Well, those users who really want to see how Android L will look like and what are the features to be expected can definitely update HTC One M7 To Android L Developer Preview.

For an ease, we are going to show you a detailed guide on “How to update  HTC One M7 To Android L Developer Preview“.


  • It’s recommended to charge your device battery up to 70%.
  • Ensure that you have enabled “USB Debugging” on your device.
  • Your device must be rooted and CWM/TWRP Recovery installed on it.
  • The device bootloader must be unlocked and S-Off also.

Steps To Update HTC One M7 To Android L Developer Preview

Step 1: Download “Android L Developer Preview” ROM on your PC.

Step 2: Now you have to copy the downloaded file on to your device.

Step 3: Turn your device off.

Step 4: Boot your device into “Recovery Mode” by pressing and holding “Volume Down + Power button” for a few seconds.

You will get a Hboot menu and then select “Recovery“.

Note: In the Recovery mode, use the Volume keys to move up/down and the Power key to select a highlighted item.

Step 5: Further you have to perform a full data wipe by selecting “wipe data/factory reset” and “wipe cache partition”.

Then go to “advanced options in CWM Recovery” from there select “wipe Dalvik Cache“. That’s it!

Step 6: Now, go to the main menu choose “install zip from SD card” > Select ROM (Which you have downloaded and placed in internal storage) > give “Yes” for confirmation.

The process will take 3-5 minutes to install the ROM so wait for the whole process to complete.

Step 7: Finally, go back to the main menu and select “reboot system” now.

Note: The phone will take 10-15 minutes to start and initialize all the services & apps because this is the first time you are starting a phone.

Voila! You have successfully updated your flagship HTC One to Android L Developer Preview. Check out each and every feature deeply to get an overview of upcoming major Android version. Well, I hope you will not face any problem, but still if you do then connect with us using the comments box below. Enjoy 😀

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