Today we have some good news for the OnePlus 3T users because the CyanogenMod team has just rolled out the unofficial build of CyanogenMod 14.1 ROM which is based on the latest Android 7.1.1 Nougat. So now One Plus 3T users can enjoy the latest Android OS experience on their devices. This latest custom ROM is currently under development stage that’s why you might face some minor or isolate problems such as bugs, force close errors, screen freeze or boot loops. But those users who have already installed this Android 7.1.1 Nougat OS say that everything is working without significant problems on the OnePlus 3T and also the custom firmware CM 14.1 Nougat is stable enough for daily use. This ROM is not an officially released by OnePlus or Google but just a custom ROM.
By following this step by step guide, you can update your One Plus 3T in Android 7.1 Nougat. Your device must be rooted, and the latest version of a custom recovery like TWRP or CWM should be already installed on it to flash this custom ROM. CM 14.1 custom firmware brings all the latest features of Nougat and much more. If you are interested in installing CM 14.1 Android 7.1 Nougat on your One Plus3T, then go ahead and follow the given steps.
This guide containing the CM 14.1 Android 7.1.1 Nougat Custom ROM is working with the OnePlus 3T devices. Do not try to install this ROM on any other device, as a result, your device might get bricked.
AndroidXDA.net will not be held responsible for any damage occurred to your OnePlus 3T during or after the installation of CM 14.1 ROM. Proceed at your risk.
Before Getting Started:
- Make sure that the battery level of your OnePlus 3T is at least about 80% before moving to the installation guide.
- Download and install proper USB Drivers for the OnePlus 3T on PC.
- It is highly recommended to take a proper backup of your important data and settings on the phone using a custom recovery such as CWM or TWRP. In case anything goes wrong then you’ll be able to restore your data.
- Enable USB Debugging Mode on One Plus 3T from Settings > Developer Options.
- Your phone should be rooted with the latest version of CWM or TWRP recovery installed.
- The bootloader of your phone should be unlocked.
Update OnePlus 3T to Android 7.1.1 Nougat CM14.1 Custom ROM:
Here we have given a step-by-step guide on how to install Android 7.1 Nougat based CM 14.1 custom ROM on OnePlus 3T.
Step No 1: – First, download the CM 14.1 Android 7.1.1 Nougat custom ROM and Google Apps package from the above links on the desktop of your PC. Do not extract these files.
Step No 2: – Now, connect your OnePlus 3T to the PC using its USB data cable.
Step No 3: – Move the CM 14.1 firmware and Google Apps zipped files to the root folder of SD card on your phone.
Step No 4: – Now, disconnect the device from the PC and turn it OFF in order to boot into Recovery Mode.
Step No 5: – Turn ON the OnePlus 3T while pressing and holding Volume Up + Home + Power keys at the same time for a while until the device enters into Recovery Mode.
Step No 6: – Go back to the main recovery menu and perform a full data wipe. This includes Dalvik cache, Cache, System, Factory data reset.
Step No 7: – Go back the main Recovery menu and choose install zip from sdcard> choose zip from sdcard.
Step No 8: – Find the ROM file that you’ve already transferred to the root folder of your SD Card in Step No 3. Select the CM 14.1 ROM .zip file and proceed the installation process.
Step No 9: – Once the ROM is successfully installed on your OnePlus 3T, install Google Apps package by following the same procedure as given above.
Step No 10: – After the installation of CM 14.1 Android 7.1.1 Nougat custom ROM and Google Apps, select reboot system now to reboot the phone.
It will take about 5 minutes to boots up for the first time after installing ROM on your phone.
That’s All! You have successfully updated OnePlus 3T to the latest Android 7.1 Nougat with CM 14.1 custom ROM.