*** NEEDS ROOT and XPOSED FRAMEWORK installed ***
Marshmallow SD Fix brings back the ability to save files in your external storage (such as microSD card), which has been restricted in Marshmallow and above.
How to use:
* Enable the app to which you want to give SD card access.
Tested working with
* Titanium Backup
* Advanced Download Manager (ADM)
* UC Browser (& Mini)
and a lot more apps which can ask for saving files in external storage.
NOTE: This app can't force an app to use external storage. It allows an app if it requests access to external storage.
Support thread : http://forum.xda-developers.com/xposed/modules/xposed-marshmallow-sd-fix-write-t3403263