I am using an app (developed by my network carrier); each month a bill is generated for my usage detail, it is a PDF file, which is only visible in app (no save, no export option). In app, there is a limitation of viewing only last three-month’s bill. I want to save generated bill to maintain history.
The OS of my device is android 9, non-rooted (and I do not want to root my device).
- With some emulation, I figured-out that, app is saving these files (bills) in a (temporary) folder, which is located in
- I have also tried ADB commands e.g.
adb backupbut not achieve the task (application is not debugable and backup support is disabled on this app).
- I also tried multi-droid app “Parallel Space” (as described in different tutorials e.g. How to View/Edit AppData on Android) but shockingly, app folder (among other apps) is not accessible (might be due to some security patches).
Is it possible to access / copy (protected) files generated by app in