If you already have CM11 ROM installed, all you need to do is flash HighOnAndroid.com OnePlusOne Conversion Kit with CWM or TWRP recovery!
Note: If you don’t have CM11 ROM but another AOSP ROM like ParanoidAndroid, Gummy, etc…etc…, get the “No Lockscreen” version. This will have everything except the Lockscreen which may not work unless you have CM11 ROM. If you get errors with AudioFX app, install the “No AudioFX version” or “No Lockscreen AudioFX version”.
Step 1. You will obviously need to root your Android smartphone, please see our How to Root Android page to find links to rooting instructions on various phones.
Step 2. Once rooted, you will need CWM Recovery 22.214.171.124 or HIGHER. You can install the latest version of CWM Recovery by using ROM Manager.
If you don’t have CWM Recovery installed, click on “Recovery Setup”.
Then press on “ClockworkMod Recovery”.
Then choose your Android smartphone model to install the CWM Recovery.
Step 3. You will need to download the CM11 ROM, I recommend the snapshots, you can find them here on our CM11 page.
Next, you also need to download Android 4.4.4 Gapps, you can find that also on our Android 4.4.4 Gapps page.
If you have an older device, use “micro” version and if you have one of the newer devices (less than 2 years old), then use the “stock” version.
Lastly but not least, don’t forget to download the HighOnAndroid.com OnePlusOne Conversion Kit!
Step 4. Use ROM Manager app to reboot into Recovery.
Step 5. Now, make sure you make a backup ROM before installing any new custom ROMs.
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