This is an excellent request because it touches on mobile forensics, Android system internals, and privacy/security analysis. The string com.samsung.android.incallui refers to the Samsung Android package for the (the screen you see when you receive or make a call).
adb shell su cp /data/data/com.samsung.android.incallui/databases/incallui.db /sdcard/ adb pull /sdcard/incallui.db Open with SQLite browser to reconstruct call timelines, even if the user deleted the system call log. The incallui.db uses SQLite WAL (Write-Ahead Logging). Forensic examiners can carve deleted rows from the -wal or -shm files or analyze free pages using tools like sqlparse . 5. Case Study: Reconstructing Call Activity After Call Log Deletion Scenario: A suspect manually deleted all call logs from the Samsung Phone app. A forensic image was taken.