v1.0.8New update available — 9 new defenses Root required / Local-first / Device-bound license

Android privacy hardening
for rooted devices.

Sentinel helps reduce exposed attack surface with USB/ADB lockdown, emergency power-off, travel checklists, custody guidance, panic profiles, and local-first controls. Built for rooted Android with no cloud account required.

Get Sentinel ↓ Download APK v1.0.8
No analyticsNo cloud syncAndroid 9+StrongBox where supported
9:415G ▮▮▮
Before travel
Prepare the phone before crossing.
Readiness72%
Completed
OK
App lock enabled
Done
OK
Screen privacy
Done
OK
Vault sealed
Done
To do
P
Suspend sensitive apps
Gmail, WhatsApp, Telegram
Not yet done
Suspend
L
Location kill
Disable GPS and revoke access
Travel step
Kill
R
Reboot to BFU
Strongest encryption pre-cross
Last step
Reboot
H
Home
S
Scan
T
Travel
V
Review
L
Lock
R
Rights
G
Set
9:415G ▮▮▮
Sentinel Privacy
87 GoodAFUStrongBox
EMERGENCY POWER OFF
One tap enables USB/ADB lockdown, audit monitor, sensor controls, and account hardening.
Activate All
Deactivate
B
Bootloader
Verified boot — locked
Secure
Tips
Quick actions
S
Surveillance scan
Network taps, spy apps
Manual scan
Scan
W
WiFi security
Evil-twin checks
Check network
Scan
T
Before travel
Readiness: 72%
Protection level72%
V
Encrypted vault
Class A encryption
Private files
Open
H
Home
S
Scan
T
Travel
V
Review
L
Lock
R
Rights
G
Set
9:415G ▮▮▮
Rights & custody
Not legal advice. For journalist and traveler reference.
87
Good
AFU · StrongBox · Locked bootloader
Your rights script
"I do not consent to a search of my device. I am invoking my right to counsel. I will not provide my passcode."
Copy to clipboard
G
Border guide
Country reference. Offline.
Offline
Open
C
Custody report
Signed baseline + timeline
Fresh auth
Export
H
Home
S
Scan
T
Travel
V
Review
L
Lock
R
Rights
G
Set
Latest release · v1.0.8

Nine new defenses, shipped.

Every control in this release was built because a real attack vector exists — physical seizure, forensic extraction, kiosk tampering, and broadcast spoofing.

↓ Download APK v1.0.8 Read full changelog
// 01

Zero-Trust USB Kill

Instant lockdown the moment any USB host connects — no prompts, no grace period.

BlocksCellebrite / GrayKey extraction attempts
// 02

Dead-Man Faraday Defense

If the device leaves your custody and signal drops, it self-locks and seals the vault.

BlocksFaraday-bag seizure workflows
// 03

App Immortality

Sentinel resists force-stop, uninstall, and admin demotion under coercion.

BlocksForced removal by adversary
// 04

Kiosk Lockdown Mode

Pins the device to one app — hides recents, system UI, and notification surface.

BlocksBorder-agent navigation
// 05

Signed Custody Reports

Cryptographically signed timeline of every state change while out of your hands.

BlocksSilent tampering post-custody
// 06

Panic Profile Switching

Duress PIN swaps to a clean profile — vault and sensitive apps disappear.

BlocksCoerced unlock at checkpoints
// 07

Broadcast Spoofing Detection

Flags rogue cell towers and evil-twin WiFi before the device negotiates with them.

BlocksIMSI catchers / Stingray
// 08

Sensor Audit Monitor

Local alerts when mic, camera, or location is accessed — no cloud, no telemetry.

BlocksSilent spyware activation
// 09

Secure Decommissioning

Leaves irremovable DPM artifacts so a wiped device cannot be quietly re-enrolled.

BlocksPost-seizure re-provisioning
Why it exists

Reduce the exposure most people never see.

Sentinel focuses on the device states that matter during travel, physical access, and day-to-day privacy work.

Trusted USB / ADB paths

ADB keys, charging modes, and host trust can leave a rooted device easier to query than expected.

Metadata leakage

Photos and files carry location, device, and timestamp data unless deliberately stripped first.

Unexpected device changes

Reboots, network shifts, and permission drift deserve clear local alerts — not silent acceptance.

Risky travel workflows

Without a checklist, hardening steps get forgotten under pressure at checkpoints and borders.

Physical-access scenarios

When the phone leaves your hand, defaults should already be tight and force-lock should be one tap.

Defensive posture

Local-first, hardware-backed where supported, with clear fallback reporting when it is not.

App screenshots

Real product screens, not marketing graphics.

Each row below is an actual Sentinel screen organized as product evidence — what the app looks like when you open it.

Home Dashboard Before Travel Rights & Custody Seizure Mode Panic Profiles
9:415G
Sentinel Privacy
87 GoodAFUStrongBox
EMERGENCY POWER OFF
One tap enables USB/ADB lockdown, audit monitor, and account hardening.
Activate All
Deactivate
Quick actions
S
Surveillance scan
Network taps, spy apps
Manual scan
Scan
W
WiFi security
Evil-twin and proxy checks
Check network
Scan
V
Encrypted vault
Class A encryption
Private files
Open
H
Home
S
Scan
T
Travel
V
Review
L
Lock
R
Rights
G
Set
Home Dashboard

Every protection,
at a glance.

The home screen shows your live security score, bootloader state, and hardware key level. Emergency power-off sits at the top — no menus, no navigation.

87 / 100 score Emergency power off Activate All
9:415G
Seizure Mode
Best protection: minimize data, lock ADB/USB, disable biometrics, then power off before inspection.
OK
Use long passcode
Done
OK
Disable notification previews
Done
Use Android Lockdown
Mark done
Power off or reboot
Mark done
USB controls
Auto-block USB on screen-off
On
Force lock now
H
Home
S
Scan
T
Travel
V
Review
L
Lock
R
Rights
G
Set
Lock tab

Seizure Mode.
Force lock, one tap.

The Lock tab walks through a seizure checklist, blocks USB in one tap, and puts a Device Admin–backed force-lock at the bottom of the screen.

Force lock now Checklist USB data block ADB disable
9:415G
Settings
Panic profiles
T
Travel profile
USB/ADB, notifications, accounts
Reversible
Run
B
Border profile
Travel + secondary profile pause
High caution
Run
L
Lost phone profile
USB/ADB, sensors, location
Aggressive
Run
C
Compromise profile
Collect integrity evidence
Evidence first
Run
H
Home
S
Scan
T
Travel
V
Review
L
Lock
R
Rights
G
Set
Settings

Four panic profiles.
One tap each.

Travel, Border, Lost Phone, and Compromise profiles each apply a specific hardening sequence. Toggle cards give instant on/off for USB data blocking and screen-off locks.

TravelBorderLost phoneCompromise
Product modules

Focused tools, one local dashboard.

Each protection is built around a concrete device state — not a vague privacy score.

Emergency power off

One tap arms USB/ADB lockdown, sensor controls, and account hardening.

USB / ADB Lockdown

Disable ADB, revoke trusted hosts, report active USB data state in real time.

Before Travel Checklist

A consistent pre-cross workflow you don't have to remember under pressure.

Seizure Mode

Step-by-step lockdown and Device Admin–backed force-lock at the bottom.

Rights & Custody Script

Offline reference and signed custody report for legal and journalistic record.

Panic Profiles

Travel, Border, Lost Phone, and Compromise — each one a single button.

Encrypted Vault

Files locked behind a password and hardware-backed keys where supported.

WiFi / Surveillance Scan

Evil-twin checks, network taps, spy apps, and physical-access indicators.

Metadata Scrubber

Strip EXIF location, device, and timestamps from photos before sharing.

Security model

Trust comes from boundaries, not promises.

Sentinel is explicit about what stays local, what depends on hardware, and what no app can guarantee.

OperationLocal-first, no cloud account required
TelemetryNo analytics by design
LicensingBound to one device
Key storageStrongBox or clear fallback
RootRequired for privileged controls
UpdatesManual, with signed release notes

Plain limitation

Sentinel is a defensive privacy hardening tool. It reduces common exposure paths and reports indicators; it cannot guarantee protection from every exploit, forensic lab, carrier-level attack, physical coercion, spyware, or compelled disclosure order.

Setup

A short install flow for rooted Android.

01

Confirm rooted device

Use a rooted Android 9+ device and verify your preferred root manager is active.

02

Install and activate

Install Sentinel, bind your license to the device, and review supported hardware features.

03

Enable modules

Turn on USB/ADB lockdown, vault, reboot guard, metadata tools, and travel workflows.

Root required.Sentinel uses privileged Android controls that standard Play Store apps cannot access.
Pricing

One device. One clear price.

No subscription, no renewal pressure, and no cloud account requirement.

Sentinel full license
$19.99 one-time

Device-bound license for one rooted Android device.

  • All protection modules included
  • Device-bound activation
  • Installation guide
  • No subscription, no cloud sync
  • Updates as published by your seller
Get Sentinel
FAQ

Straight answers before install.

Does Sentinel require root?

Yes. Sentinel depends on privileged Android controls for USB/ADB lockdown, hardware reporting, and boot-state workflows.

What devices are supported?

Rooted Android 9+ devices. Hardware-backed features depend on the device model, Android build, and security chip support.

Does this stop every forensic tool?

No. Sentinel reduces common exposure paths and improves local visibility, but no app can guarantee protection against every exploit, lab, or physical-access process.

Does Sentinel collect data?

The product is local-first with no analytics or cloud sync. Privacy policy and release notes are kept current so buyers can verify the claim.

Can I transfer my license?

Licenses are device-bound. Transfers and reissues go through your seller or the account/downloads flow.

What happens after a reboot?

Reboot Guard flags the event and guides you through a protection review before reconnecting USB or resuming sensitive workflows.

Trust

You don’t have to take our word for it.

Sentinel is built to be inspected, verified, and removed. No backdoors, no telemetry, no cloud dependency.

Open source architecture

The design and controls are documented so researchers and buyers can inspect how protections are implemented.

No network calls

The app does not phone home. There is no telemetry endpoint, no analytics beacon, and no cloud command channel.

No data collection

All data stays on your device. No account required. No sync. No remote database with your activity.

You can remove it

Uninstall Sentinel like any Android app. No persistent agents. No hidden services that survive removal.

Scoped root access

Root is used only for documented controls: USB/ADB lockdown, hardware state checks, and boot verification.

Verify the APK

Download from your seller and run apksigner verify. Signature and hashes are published so you know what you are installing.

Read the full Trust report

Harden the Android device you already carry.

Start with the protections that matter most: local controls, visible state, and honest limitations.

Get Sentinel Read security model