Android Hardening Guide
Here is the android hardening guide.
Mobile Device Hardening
Android Hardening Guide
A step-by-step configuration reference for reducing your device’s digital exposure. Each setting reflects best practices for principals, family members, and anyone in a high-visibility role.
Note: Settings vary by Android version and manufacturer. If a setting isn’t where indicated, search its name in the Settings search bar.
Connections
01
Settings › Wi-Fi › Advanced
Manage networks
Remove unused or unrecognized
Hotspot 2.0
Allow WEP networks
NFC and Contactless Payments
Secure NFC
NFC when not in use
Mobile Networks
Data roaming
Allow 2G service
Mobile Hotspot and Tethering
Mobile hotspot
Bluetooth tethering
More Connection Settings
Nearby device scanning
Private DNS
Set to: 1.1.1.1 or dns.quad9.net
Best Practice
Avoid public Wi-Fi. If unavoidable, ensure a trusted VPN is active before connecting.
Connected Devices
02
Settings › Connected Devices › Notifications
Continue on other devices
Camera share
Security & Privacy
03
Settings › Security and Privacy
Auto Blocker
Blocks unauthorized apps, USB commands & malware
Lock network and security
Prevents Wi-Fi being disabled while locked
Show lockdown mode option
Disables biometrics & notifications when activated
More Security Settings
Block USB connections while locked
Make passwords visible
Enhanced data protection
Encrypts backup and synced data
More Privacy Settings
Personal data intelligence
Send diagnostic data
Android personalization service
Permission manager
Audit camera, mic & location per app
Ads › Advertising ID
Usage and diagnostics
Lock Screen & Biometrics
04
Lock Screen › Notifications
Lock screen notifications
Prevent content preview while locked
Screen Lock and Biometrics
Screen lock type
PIN, password, or pattern recommended
Face recognition › Require open eyes
Prevents unlock while unconscious or coerced
Secure Lock Settings
Auto lock when screen turns off
Lock instantly with side button
Extend unlock
Safety, Emergency & Software
05
Settings › Safety and Emergency
Unknown tracker alerts
Settings › Software Update
Check for latest updates
Closes known exploit vectors
Google Services
06
Google › Search, Assistant & Voice › Privacy & Safety
Location accuracy
Personalize using shared data
Search personalization
Screen context
Contact info from your devices
Devices & connected apps
Web and app activity
Google › Theft Protection
Theft detection lock
Locks device if theft motion detected
Remote lock
Contextual suggestions
Gemini AI
07
Settings › Google › Gemini
Talk to Gemini hands-free
Use Gemini without unlocking
Take It With You
Download the Full PDF Guide
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