Install Android 6.0.1 Marshmallow based CM 13 ROM on Oppo Find 7a. Finally after a much long wait, the Find 7a users can now enjoy and experience the all new Android 6.0.1 Marshmallow OS on their device. All credits goes to the Cyanogenmod team who with their extreme efforts have developed a beautiful Cyanogenmod 13 custom ROM for this phone. You must note that this is not any unofficial custom firmware but an actual official custom ROM with no bugs at all. It is completely stable and can surely enhance your device performance and even increase battery life. With the all new Cyanogenmod features  and UI, your Find 7a will get a complete new life.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a Screenshot 1

Oppo Find 7a was launched two years back in 2014 with great features. Some of which include 2.3 GHz Quad-core Snapdragon 801 processor, 16 GB of internal storage, 2 GB of RAM, 13 megapixel camera with autofocus dual-LED flash facilities, 5 megapixel front camera, 5.5 inches of touchscreen with 1080 x 1920 pixels resolution, Corning Gorilla Glass 3 and much more. Due to such breath taking features Oppo Find 7a was considered as the best flagship device from the Oppo thus giving tough competition to its rivals.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a Screenshot 2

It was quite disappointing that Oppo stopped upgrading this phone after Android 4.3 Jellybean OS. But Android users are always passionate to find a way for experiencing the newly launched Android version on their phones. Many third party developers have been developing various custom firmwares for Find 7a smartphone. And this time they have launched the Android M based CM 13 ROM. All the interested users can head on to our actual guide on how to install Android 6.0.1 Marshmallow based CM 13 ROM on Oppo Find 7a given below.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a Screenshot 3

Disclaimer:

Steps mentioned below are considered to be of much risk and a small mistake can cause severe damage to your Find 7a. If your phone gets damaged or bricked then neither do I nor the Cyanogenmod developers will be held responsible for that. Although the damage chances are least. So read, follow and implement every step correctly.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a Screenshot 4

Compatibility:

This Android 6.0.1 Marshmallow based Cyanogenmod 13 custom ROM must be installed only on Oppo Find 7a. Flashing this on any other device or variant except can cause severe damage. So check your device before proceeding to the flashing process.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a Screenshot 5

Pre-Requisites:

  • Make sure that your Oppo Find 7a is charged at least up to 60% as low battery can cause interruption during the flashing process.
  • Backup all your phone data and settings including contacts, messages, memos and call logs etc. since everything gets wiped in the last step of this procedure. You may use any android app for taking complete backup.
  • Backup EFS folder present in your phones system directory. This folder contains all your phones specific information such as the IMEI, wireless devices MAC addresses, product code, and much more. So a backup of this folder is essential. There is always a risk that this EFS folder might get corrupted. If so happened, your device will be completely useless & will no longer be recognized by your carrier. Refer our article to backup and restore EFS/IMEI data:
  1. How to backup and restore EFS/IMEI on Android Phones.
  • Make sure you have installed mobile specific drivers on your computer. This is recommended so as to recognize your Find 7a when connected via USB cable. You can manually install them from the link given below:
  1. Download Oppo USB drivers.
  • Make sure your Find 7a is rooted.
  • Also a latest custom recovery like Clockworkmod (CWM) or TWRP must be installed before proceeding further. If you haven’t installed yet, don’t worry just follow these steps given below:

Step 1: Download and extract this AndroidSDK.zip file on your computer.

Step 2: Open the platform-tools folder from it. You’ll see these files in it:

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a platform-tools folder Screenshot

Step 3: Now switch off your Find 7a completely and boot into fastboot mode.

Step 4: For doing so, press and hold Volume up + Power button until you enter the fastboot mode.

Step 5: Now open that platform-tools folder and hold Shift button of your keyboard. By holding shift button, right click on empty space. From the list, choose Open command window here option. This will launch the command window.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a Open cmd Screenshot
Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a cmd Screenshot 1

Step 6: In the command window, type the following commands and hit enter:

fastboot devices

As your press enter key, a random number will appear in the window. This shows that your device is properly connected.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a cmd Screenshot 2

Note: If such thing doesn’t happen then re-install the USB drivers. If the problem still persists then change USB cable or port.

Step 7: Now type the next command and press enter:

fastboot flash recovery CWM_recovery.img

As soon as you hit enter, within a second the CWM custom recovery will be flashed.

Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a cmd Screenshot 3
Install Android 6.0.1 Marshmallow CM 13 ROM on Oppo Find 7a cmd Screenshot 4

Step 8: Now disconnect the phone from PC and press and hold Volume down + Power button so that you enter the CWM recovery mode.

Lets flash the actual Android 6.0 Marshmallow based CM 13 ROM now.

Procedure to install Android 6.0.1 Marshmallow on Oppo Find 7a:

Downloads:

  1. Download Cyanogenmod 13 Custom ROM for Oppo Find 7a.
  1. Download Google Apps (Android 6.0.1 Marshmallow).

Procedure:

Step 1: Download both the zip package files in a specific folder on your PC. Remember not to extract them.

Step 2: Using original USB data cable connect your Find 7a to computer and copy both the downloaded files on your phones internal / external storage.

Note: You may directly download both the files on your phone.

Step 3: After copying, safely disconnect your phone from PC & switch it off completely. Now boot your phone into CWM recovery mode. To do so, press and hold Volume down + Power button together till you enter CWM recovery mode.

Note: In CWM recovery, use Volume keys for navigation and Power key for selection.

Step 4: As you land into recovery mode, make a complete backup of the ROM which you are currently using. Such a backup is also called as Nandroid backup and is the backup of your phones entire operating system which can be always helpful during failure of flashing process or during any problem with the ROM. In that case you can easily restore your previous saved ROM.

Refer our detailed article for taking Nandroid backup:

  1. How to take Nandroid Backup of any Android Phone with 8 simple methods.

Step 5: After creating Nandroid backup, you need to wipe the data and cache partitions from your phones internal memory. For doing so, navigate to the ‘wipe data/factory reset’ option using Volume keys and select it using Power button. On the next screen press Yes option to start the wiping process. Similarly navigate to the ‘wipe cache partition’ option on the recovery mode and select it to wipe the caches.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7a wipe data cache screenshot

Note: This step will wipe out all your data so a complete backup of everything must be done before implementing this step.

Step 6: After wiping data and cache, select the Advanced option located on the recovery mode and on the next screen select Reboot Recovery  option.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7a reboot recovery screenshot

Wait until you boot again into recovery.

Let’s move to the actual Android 6.0.1 Marshmallow based CM 13 Nightly ROM flashing process.

Step 7: Click on the ‘install zip from SD card’ option present on the recovery mode. Then on the next screen select ‘choose zip from SD card’ option. This will show all the data present on your internal / external storage. Then select the Android 6.0.1 Marshmallow based CM 13 Nightly ROM which you’ve just copied earlier. On the next screen select ‘Yes’ option to start the actual CM 13 ROM flashing process. Be patient and wait for the process to complete.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7a install zip screenshot

Step 8: After the process completes, again select ‘wipe data/factory reset’ option and ‘wipe cache partition’ option as you did before to clear all your phones data & cache. This step is must as it helps to solve the boot loop issue.

Step 9: Similarly flash the Google Apps (GApps) package as you’ve flashed this Cyanogenmod 13 custom ROM.

Note: Do not wipe data/cache after flashing Google Apps.

Step 10: That’s all. You may now restart your Find 7a by selecting ‘reboot system now’ option from the recovery mode. Note that the first boot will take more time to start than usual. But don’t panic after a couple of boots it’ll be normal.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7a reboot system screenshot

Note: If you want to restore back your previous ROM, then you can do that by going back to the recovery mode and selecting ‘Restore’ option and then you may select one of the saved ROM you want to restore.

Success

Finally! Your Oppo Find 7a smartphone has been successfully updated to the latest Android 6.0.1 Marshmallow based CM 13 Nightly custom ROM. To verify the same go to Menu->Settings->About Phone. Enjoy the combo pack of Android 6.0.1 Marshmallow along with cyanogenmod 13 features on your phone. Do share your views and experience after using it.  Lastly if you face any kind of trouble while going through the process or have any issue with the above content then without any hesitate text me through the comments section. Enjoy! 🙂