How To Update OnePlus 3 to Android 7.1 Nougat with CypherOS Custom ROM

OnePlus 3 users now can update their devices to Android 7.1 Nougat CypherOS Custom Firmware. CypherOS always given the best Android OS and useful features for users and also maintain the purity of Android. This ROM can be considered a very smooth, stable ROM and excellent for OnePlus 3. This is not an official ROM but just a custom ROM which is developed by third-party developers. By following this guide you can update your OnePlus 3 on Android 7.1 Nougat Cypher OS Custom firmware.

This amazing CypherOS custom ROM comes with tonnes of new features. Before going ahead, keep in mind that your phone should be rooted and the latest version of a custom recovery like TWRP or CWM recovery should be installed on it. A custom recovery will be needed to install Android 7.1 Nougat Cypher OS ROM, and Google Apps zipped files on the OnePlus 3. Don’t forget to take a full backup of all your important data before proceeding. If you are interesting in updating your OnePlus 3 phone to Android 7.1 Nougat Cypher OS ROM then go ahead and follow the given steps.



This guide containing the CypherOS Android 7.1 Nougat Custom ROM is working with the OnePlus 3 devices. Do not try to install this ROM on any other device, as a result your device might get bricked.

Warning: will not be held responsible for any damage occurred to your OnePlus 3 during or after the installation of CypherOS ROM. Proceed at your risk.


  • Make sure that the battery level of your OnePlus 3 is at least about 80% before moving to the installation guide.
  • Download and install proper USB Drivers for the OnePlus 3 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 One 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.

Required Files:

Steps to Install CypherOS Android 7.1 Nougat ROM on OnePlus 3:

Here we have given a step-by-step guide on how to install Android 7.1 Nougat based CypherOS custom ROM on OnePlus 3.

Step No 1: – First, download the CypherOS Android 7.1 Nougat custom ROM and Google Apps package from the above links on the desktop of your PC. Do not extractthese files.

Step No 2: – Now, connect your OnePlus 3 to the PC using its USB data cable.

Step No 3: – Move the CypherOS 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 3 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 CypherOS ROM .zip file and proceed the installation process.

9: – Once the ROM is successfully installed on your OnePlus 3, install Google Apps package by following the same procedure as given above.

Step No 10: – After the installation of CypherOS Android 7.1 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 3 to the latest Android 7.1 Nougat with CypherOS custom ROM.

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