Meizu Mblu 21

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Classification

Meizu Mblu 21
Classification
Grade B
Calculator version 1
Classification date 2025-09-24
Information
Name MEIZU Mblu 21
Brand by Parent Meizu by meizu by Meizu Technology Co.,LTD
Generation MEIZU Mblu 21 Series
Model(s) Mblu 21
Release date 2023-11-30
Type/Category Smartphone
Website [1]
Status In sale
More
Dimensions
Mass
Operating system
Companion App
CPU MediaTek Dimensity 7300 (octa‑core, 4×A78 up to 2.5 GHz + 4×A55 up to 2.0 GHz, 4 nm)
GPU Mali‑G615 MC2
Memory 8 GB / 12 GB LPDDR4X (RAM expansion via virtual memory supported)
Storage 128 GB / 256 GB / 512 GB UFS 2.2; microSD slot (hybrid) up to 1 TB
Battery 5000 mAh typical
Power 45 W wired charging
Charging USB‑C, PD/QC compatible; reverse wired charging supported
Display 6.67-inch AMOLED, 2400×1080 (FHD+), 120 Hz refresh, 1000+ nits peak, 10-bit color, 1920 Hz PWM dimming
Camera Rear 64 MP main + 2 MP depth; Front 16 MP
Sound Dual speakers; 3.5 mm headphone jack; single mic with noise reduction
Connectivity 5G SA/NSA, Wi‑Fi 6, Bluetooth 5.2, NFC, GPS/GLONASS/Beidou/Galileo, USB 2.0 Type‑C, side‑mounted fingerprint reader
Device
Criterion Value Proof(s) Comment
Known hardware tampering None [2]
Known vulnerabilities None [3]
Prior attacks None [4]
Updatability Very common [5]
Category score 1
System
Criterion Value Proof(s) Comment
Authentication with other systems Partial [6]
Communications Encrypted with up-to-date encryption [7]
Storage Encrypted with up-to-date encryption [8]
Category score 2
User Authentication
Criterion Value Proof(s) Comment
Account management Basic [9]
Authentication Absent [10]
Brute-force protection Absent [11]
Event logging Partial logging [12]
Passwords Require change after setup with complexity requirements [13]
Category score 3
Grade B