Install Android 6.0.1 Marshmallow based CM 13 ROM on Oppo Find 7s. Recently I posted an article on how to update Oppo Find 7a smartphone to latest Cyanogenmod 13 custom ROM. Now its the other variant Oppo Find 7s users to experience this latest firmware. The Cyanogenmod team is constantly developing custom ROMs for various devices. Their never to stop attitude has made them quite famous in a very short duration. This CM 13 ROM developed for Find 7s is beautifully customized. It is quite stable as all the features are working. Still if you comes across any bug or issue then don’t worry as all those bugs will be cleared in the next nightly update.

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

Oppo has still not confirmed that they will launch Android 6.0.1 Marshmallow update for Find 7s or not. But I’m pretty sure that they will not. No worries as you can still enjoy and experience the all new Android Marshmallow by flashing unofficial custom ROMs. Yes, the process is risky and also you may experience few bugs but don’t forget that you also get the latest Marshmallow flavor on your Find 7s smartphone. If you are eager to install this Android 6.0.1 Marshmallow based Cyanogenmod 13 custom ROM on your Oppo Find 7s smartphone then head on to our actual article mentioned below.

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

Disclaimer:

We at droidthunder.com held no responsibility if your Oppo Find 7s phone gets damaged by following this guide. All the steps mentioned are risky and must be implemented properly without a single mistake. Although the chances that your device will get damaged or bricked are least.

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

Compatibility:

This Android 6.0.1 Marshmallow based Cyanogenmod 13 custom ROM must be flashed only on Oppo Find 7s. Installingthis on any other device or variant may cause severe damage. So its better to check your device before moving ahead.

Pre-Requisites:

  • Charge your Oppo Find  7s at least up to 60% as low battery can cause interruption during the flashing process.
  • It is recommended to backup all your phone data and settings including contacts, messages, memos, whatsapp messages and call logs etc. since everything gets wiped in the last step of this procedure.
  • 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.
  • Oppp USB drivers must be installed on your PC so as to detect the phone when connected via USB cable. You can manually install them from the link given below:
  1. Download Oppo USB drivers.
  • Make sure your Find 7s 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:

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7s platform-tools folder Screenshot

Step 3: Now switch off your Find 7s 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.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7s Open cmd Screenshot
Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7s 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.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7s 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.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7s cmd Screenshot 3
Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7s 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 6.0.1 Marshmallow based CM 13 ROM now.

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

Downloads:

  1. Download Cyanogenmod 13 Custom ROM for Oppo Find 7s.
  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 7s to PC and copy both the downloaded files on your phones internal / external storage.

Note: You may directly download both the files on your Find 7s smartphone.

Step 3: Safely disconnect your phone from PC & switch it off. Now boot your phone into CWM recovery mode. For doing the same, press and hold Volume down + Power button together till you enter CWM recovery.

Note: In CWM recovery, use Volume up and down keys for navigation and Power button for selection.

Step 4: As soon as you enter the recovery mode, it is recommended to 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 when the flashing process fails or during any issue 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: Now wipe the data and cache partitions from your phones internal memory. To do so, navigate to the ‘wipe data/factory reset’ option using volume keys and select it using power key. 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 7s wipe data cache screenshot

Note: This step will wipe out all your data so a complete backup must be taken before attempting this step.

Step 6: After wiping out 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 7s 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: Select 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 files and folders 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. The process may take few minutes to complete so be patient and wait until it finishes.

Android 6.0.1 Marshmallow CM 13 ROM Oppo Find 7s 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: Everything thing completes here. You may now restart your Find 7s 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 7s 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

Wohoo! You have successfully flashed the latest Android 6.0.1 Marshmallow based CM 13 Nightly custom ROM on your Oppo Find 7s smartphone. You can confirm the same from Menu->Settings->About Phone. Enjoy all the Android M features along with Cyanogenmod features on your Find 7s smartphone. Do let me know your views after using it. If you have any query or doubt regarding this guide then do text me through the comments section given below. Enjoy! 🙂