Oliver Bennett 
Work the recognition chain in order — powered hub tests, partition and file-system checks on a PC, and the Settings-versus-X-plore distinction that tells you where the fault lives.
Send an APK over your home Wi-Fi to X-plore on Fire TV or Google TV and install it safely: the permission toggles, the Wi-Fi server transfer, and strict source discipline.
Lists cannot find the 4 GB folder three levels deep; pictures can. Disk Map turns ‘phone full’ into an obvious first target.
It was a PDF, it was big, it was March. That is enough: criteria search in X-plore turns vague memories into one exact file.
Keep the exact app versions that work on your device. X-plore’s App Manager backs up installed APKs — with honest limits.
The strip between the panes is your command spine. Shape X-plore’s button bar around the operations you actually repeat.
Apps keep their real lives in SQLite databases. X-plore’s viewer lets you read them — safely, on copies, without breaking the apps that own them.
Half of Android’s storage mysteries live in dot-folders and .nomedia files. Turn on the labels and learn to work the hidden layer safely.
No magic diff button — a better method. Compare two folders pane against pane and prove what is missing, different or identical.
Your most-opened files deserve to be one tap away. X-plore home-screen shortcuts for files and folders, set up with stable paths.