I know you must have used an opera product, maybe
If you own the amazing Tecno Camon C8, we have good news for you, from today there you can update your tecno camon c8 to the official marshmallow update from Tecno Mobile. The update information was released on the official Tecno Mobile forum and it is quite easy to install. You can head over to the forum, by clicking here to see how to update your device. Also this update will bring to light the much talked about Tecno HiOS
Although you might need to download the update file which is 800MB in size from HERE and currently the dropbox link is inactive, but will update this article once it is active.