Oppo starts rolling out the Android Marshmallow update for its Selfie expert Oppo F1s. Released last year August, Oppo F1s is currently running on Android 5.1 Lollipop (ColorOS 3.0). The new update bring latest version of the ColorOS, Android 6.0 Marshmallow and its value added features to Oppo F1s. Marshmallow update is also available for Oppo R9 and Oppo R9 Plus with dual-SIM function with 4G+3G compatibility.

In the below guide we show you how to manually update Oppo F1s and Oppo R9/R9 Plus to Android 6.0 Marshmallow. Before you get start, note that the best and safest method to update your Oppo F1s to latest firmware version via OTA (over-the-air) update. However, tech-savvy users can easily install the update manually. Check out the below guide.



The manual installation process requires at least 1.5GB free storage space on the phone or micro-SD card inserted. Also, your device should have 50 – 80% battery charge remaining.

Important: The installation process will wipe your phone, so backup every important data you have on the phone before proceeding with below steps.

How to Install latest firmware on Oppo F1s manually

1. Download Android 6.0 Marshmallow for Opp F1s from here, for Oppo R9 from here and Oppo R9 Plus from here (source – Oppo). Save the downloaded file to root of your phone storage or SD card (not in any folder)

2. On your phone, go to Files > All files > (tap SD card if you have downloaded the package to SD card) > select the zip file > tap Update now.


3. Your phone will then reboot and start installation process. (Do not do anything on the phone or power off it during the process).

4. Once the process is completed, your phone will reboot and remain on the Oppo logo for 3 to 5 minutes (Do not power off the device)

5. Once the phone is fully booted up, set up your device and enjoy.

Note: After completing the setup, go to Settings > Dual SIM and mobile network > Preferred network type and make sure you have selected 4G/3G/2G (Auto) as Preferred network type. (Source – Oppo, XDA)

Previous articleHonor 6X in India Getting Official Android 7.0 Nougat (EMUI 5.0) Update (Manual Installation Guide)
Next articleAndroid 7.1.2 Nougat Released for Pixel and Nexus Devices (Download and Install OTA & Factory Images)
Kannan is a computer and Android enthusiast, a blogger by passion and a tech freak. His always ready-to-help attitude, knowledge and hard work is what drives him.


  1. If I upgrade my Oppo f1s Lolipop to Marshmallow what advantages will I have and Disadvantages??? plsss tell me

  2. I downloaded The file but it is showing the option of extract file rather than update now. My file is saved in the root folder itself
    What to do?

  3. Someone please help me.. After downloading I can’t find the zip file neither in phone storage nor in my SD card

  4. Bhai mere mobile phone OPPO f1s OK OK marshmallow Nahi chiye ushako deleted Kaise Kare… 5.1 Kar raha hi… Ho Nahi raha he.. Kay Karu…plz muje suuges Kare… Plz plz

  5. Updated successfully but showing lollipop only
    Its not showing Marshmallow
    Please suggest

  6. go oppo official website and choose downloads then click f1s after your brwser automatically download the old version after you install it. one thing you remind that the official website gives only the second last version only after installing it automatically you get an OTA update from oppo that is the latest version of your country. pls update that ota also.

  7. I update our oppo f1 in marshmallow. but it’s not indian version. So plz tell me how to downgrade marshmallow to lollipop.

  8. After updated to Marshmallow I never feel heating problem, but the serious issue is not showing notifications(like messages, missed calls, emails) on staus bar. So please dont upgrade with other region marshmallow update.

  9. I was not able to change the font style. Is there any suggestion from you to changes font style in oppo f1s with marshmallow.

  10. Hi Mr.Kannan,
    I have updated my Oppo F1s into 6.0 successfully and experienced the heat up issue immediate after the update.After i restarted the mobile, no more heat up issue.However i monitor the same and get back to you if again facing a heat up issue. Also noticed that after this update i was not able to change the Font style. Is there any suggestion from you to changes font style in oppo F1s with 6.0 marshmallow. Thanks Kannan.

  11. I update my phone into 6.0 marshmallow but the color os features are missing and i recommand you to not to update your oppo phones from this site plzzzz.

Comments are closed.