LG G8 ThinQ (LM-G820)

Security Grade

Calculator v1

   Brand: LG (Parent: LG Electronics)

   Category: Smartphone • Model / Gen: G8 LM-G820

   Release Date: 2019-04-11 • Status: End of life

   Classification Date: 2026-10-26 • Official Website

Security Evaluation

Criterion	Value	Proof	Comment
Known hardware tampering	None	🔗 Proof	No public record of hardware tampering or backdoors for this model.
Known vulnerabilities	Rare	🔗 Proof	No widely documented device-specific CVEs, but the device stopped receiving updates around 2019.
Prior attacks	None	🔗 Proof	No publicly reported targeted attacks against this device.
Updatability	None	🔗 Proof	LG exited the mobile business in 2021; the device stopped at Android 10 and receives no security updates.
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof	Supports Google account and d Account sign-in; no enterprise SSO.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Android 10 enforces TLS 1.3 by default for system and app traffic.
Storage	Encrypted with up-to-date encryption	🔗 Proof	File-based encryption (FBE) enabled by default.
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	Multi-user support and Google account management.
Authentication	Secure	🔗 Proof	Rear fingerprint sensor plus PIN/password fallback; the sensor is slow and recognition is unreliable.
Brute-force protection	Exist	🔗 Proof	Android locks the device after repeated failed unlock attempts.
Event logging	Partial logging	🔗 Proof	System audit logs exist but are not exposed to regular users.
Passwords	Require change after setup	🔗 Proof	No default credentials; a lock-screen PIN/password is set during first-time setup. No complexity policy is enforced.
Category Score	Score: 2 / 3

Property	Details
Operating System & App	Android 9 (upgradable to Android 10) (Companion App: My AQUOS)
Hardware (CPU / GPU)	CPU: Snapdragon 855 (SM8150), octa-core up to 2.84 GHz • GPU: Adreno 640
Memory & Storage	Memory: 6 GB • Storage: 128 GB (microSD up to 2 TB)
Power, Battery & Charging	Battery: 3,500 mAh • Power: • Charging: USB-C fast charging; Qi wireless charging
Display & Camera	Display: 6.1" OLED QHD+, 1440 × 3120, 19.5:9, Crystal Sound OLED • Camera: 12 MP f/1.5 standard + 16 MP f/1.9 ultrawide; 8 MP + ToF front
Sound & Connectivity	Sound: Crystal Sound OLED (display-as-speaker), 3.5 mm jack • Connectivity: 4G LTE, Wi-Fi 5 (802.11ac), Bluetooth 5.0, NFC, USB-C, GPS
Physical (Dimensions & Mass)	Dimensions: 151.9 × 71.8 × 8.4 mm • Mass: 167 g

Crystal Sound OLED display speaker, Hand ID palm-vein unlock, ToF 3D face unlock, IP68 and MIL-STD-810G rated, Qi wireless charging.