Advanced
NetHunter Samsung Flow
A Samsung-focused flow for owned devices where bootloader unlock, recovery support, ROM requirements, and rollback have already been verified.
Samsung Variant Risk
Many Snapdragon and carrier Samsung variants have locked bootloaders. Do not assume an S-series or Note-series name means your exact model can be flashed.
Lab Runbook
Use this page as a controlled lab build, not a production hardening guide. Validate isolation before running exercises and write down the cleanup command before starting.
Critical risk Intermediate 2-4 hr
Plan
Linux host plus supported phone; 4 GB downloads plus backups. Device dependent. Isolation: Use only owned devices and authorized wireless targets.
Build
- - Model verified
- - Backups complete
- - Matched ROM/recovery/NetHunter files
Validate
- - adb and flashing tool detect device
- - Downloaded files match codename
- - First boot completes
Exercise
Run only the exercises tied to this lab and save screenshots, command output, logs, and timestamps outside disposable VMs.
Clean Up
- - Keep stock firmware/recovery links
- - Document Knox/warranty state
- - Remove unauthorized test profiles
Checkpointed Flashing Flow
1. Preflight
- Record exact model, codename, SoC, region, and current Android build.
- Confirm OEM unlocking is available and understand the data wipe.
- Download stock firmware or rollback files before modifying the device.
2. File Verification
- Match recovery, ROM, Magisk, and NetHunter ZIP to the exact codename.
- Record source URLs and SHA256 hashes.
- Stop if filenames imply a different Android generation or device family.
3. Recovery And ROM
- Flash only the recovery image confirmed for the device.
- Boot recovery immediately after flashing when the device requires it.
- Install the required base ROM before NetHunter if upstream says so.
4. NetHunter And Validation
- Flash NetHunter only after the base ROM boots or upstream directs otherwise.
- Validate app launch, chroot, terminal, USB mode, and external adapter support.
- Document what changed before adding wireless practice profiles.
Evidence Commands
bash
adb devices
adb shell getprop ro.product.model
adb shell getprop ro.product.device
adb shell getprop ro.build.version.release
adb shell getprop ro.boot.flash.locked
sha256sum *.img *.zip *.apk 2>/dev/null | tee SHA256SUMS.local.txtadb devices
adb shell getprop ro.product.model
adb shell getprop ro.product.device
adb shell getprop ro.build.version.release
adb shell getprop ro.boot.flash.locked
sha256sum *.img *.zip *.apk 2>/dev/null | tee SHA256SUMS.local.txtRollback Notes
Write This Down Before Flashing
Keep stock firmware links, rollback steps, recovery key combinations, and any Knox/warranty impact in your lab notes before the device enters download or recovery mode.