Sony Xperia 1 IV Smartphone

Classification

Sony Xperia 1 IV Smartphone
Classification
Grade	A-
Calculator version	1
Classification date	2025-10-17
Information
Name	SONY Xperia 1 IV 5G
Brand by Parent	SONY by Sony Group Corporation
Generation	2022
Model(s)	XQ-CT54
Release date	2022-05-20
Type/Category	Smartphone
Website	[1]
Status	In sale
More
Dimensions	165 x 71 x 8.2 mm
Mass	185 g
Operating system	Android 12
Companion App	Various Sony camera/audio applications
CPU	Qualcomm Snapdragon 8 Gen 1 GPU Adreno 730
GPU	Adreno 730
Memory	12 GB RAM
Storage	256 GB / 512 GB
Battery	5000 mAh
Power	30W wired charging
Charging	30W fast charging, supports wireless charging, reverse wireless charging.
Display	play 6.5" 4K HDR OLED, 120Hz refresh rate
Camera	Three rear cameras: 12MP (main camera) + 12MP (telephoto) + 12MP (ultrawide)
Sound	Stereo speakers, 3.5mm headphone jack, 360 spatial audio
Connectivity	5G, Wi-Fi 6E, Bluetooth 5.2, NFC, USB-C

Device
Criterion	Value	Proof(s)	Comment
Known hardware tampering	Rare	https://www.ifixit.com/Device/Sony_Xperia_1_IV	As a major manufacturer, widespread hardware tampering in the supply chain is rare. Risks are similar to other brands, mainly with counterfeit or improperly repaired devices.
Known vulnerabilities	Rare	https://source.android.com/docs/security/bulletin	Sony provides monthly security updates for its flagship models. Known, unpatched critical vulnerabilities are therefore rare for a supported device like the Xperia 1 IV.
Prior attacks	Rare	https://www.kaspersky.com/blog/tag/android-malware/	No widely documented, specific attacks targeting the Xperia 1 IV model exclusively. Users face general Android ecosystem threats.
Updatability	Very common	https://blog.sonymobile.com/2022/05/11/sony-announces-android-13-update-plan/	Sony has a consistent record of providing regular monthly security patches and major OS updates for its flagship devices, making updates very common.
Category score	2

System
Criterion	Value	Proof(s)	Comment
Authentication with other systems	Full	https://developers.google.com/identity	Fully supports authentication with Google Mobile Services (GMS) and other standard Android services and APIs.
Communications	Encrypted with up-to-date encryption	https://www.wi-fi.org/discover-wi-fi/security	Supports current encryption standards for cellular (5G) and Wi-Fi (WPA3). Application data encryption relies on individual apps.
Storage	Encrypted with up-to-date encryption	https://source.android.com/docs/security/features/fbe	Uses standard Android File-Based Encryption (FBE) with strong algorithms to protect user data at rest.
Category score	1

User Authentication
Criterion	Value	Proof(s)	Comment
Account management	Basic	https://support.google.com/android/answer/7664955	Provides standard device-level credential management (screen lock). Full account management is handled through the user's Google Account.
Authentication	Secure	https://source.android.com/docs/security/features/authentication	Offers a hardware-based side-mounted fingerprint sensor and support for strong passwords/PINs, providing secure authentication.
Brute-force protection	Exist	https://support.google.com/android/answer/11178361	Implements standard Android brute-force protection, including increasing lockout delays and factory reset options after excessive failures.
Event logging	Access event logged	https://developer.android.com/reference/android/app/admin/DevicePolicyManager	The Android system logs security-relevant events, but detailed audit logs are not typically accessible to the end-user.
Passwords	Require change after setup with complexity requirements	https://support.google.com/android/answer/9075927	Mandates the setup of a screen lock (PIN/Pattern/Password) during initial configuration, with options to enforce complexity.
Category score	2

Grade	A-

The Sony Xperia 1 IV is a high-end smartphone focused on professional-grade multimedia capabilities, running on the Android platform. Its security architecture is built upon the standard Android security model, enhanced by Sony's commitment to timely updates. The device includes a dedicated hardware security module for processing sensitive operations like biometric authentication. Sony maintains a close-to-stock Android experience, which can reduce the attack surface associated with heavy UI customizations. The security features are robust and align with industry standards for flagship devices, with a strong emphasis on providing regular security patches to address vulnerabilities.