Solved What would the CIA do?

[balanga]

That only works if it isn't encrypted. Do you know whether disk encryption was turned on?

I didn't encrypt it consciously, just leaving the defaults.

 

[blackbird9]

Perhaps try something like these instructions to access the phone's filesystem using adb.

How can I access the file system of an Android device using ADB?

Answer: Accessing the file system of an Android device using ADB (Android Debug Bridge) is a straightforward process that allows you to interact with files directly fro

askai.glarity.app

The problem then is to try to figure out where it's blocking when you boot it. There is a full description of the filesystem here

Android File System: Complete Guide to Application Data Management and Storage Architecture - CodeLucky

Master Android file system architecture and application data management with comprehensive examples, storage types, and best practices for efficient mobile app development.

codelucky.com

and descriptions of the boot process here https://www.linkedin.com/pulse/deep-dive-android-boot-process-step-by-step-breakdown-santilli-9cdbf
and here https://medium.com/@samirdubey/how-...e-android-booting-process-part-1-356031b9d080

Of course what would help most is finding someone with android development experience to help you, it's not an area I have delved into.