specdeviceinfo

ZUK Z2121

ZUK Z2121 · Zuk

SoC
Snapdragon 820
RAM
6 GB LPDDR4
Resolution
1920x1080
Android API
9 (28)
specdeviceinfo analysis

What this hardware actually means

Editorial interpretation generated from the device's self-reported fields and our SoC tier database. Cross-reference with the raw fields below; if you spot a contradiction, please tell us.

Platform & performance positioning

The zuk ZUK Z2121 is built around the Snapdragon 820, a legacy flagship — capable in its day, now superseded from Qualcomm. It launched in 2015 on a Samsung 14nm LPP process. 2016 flagship (Galaxy S7, OnePlus 3). End-of-life for security updates.

Not recommended for primary use in 2026 — Android 9 ceiling on most devices; many modern apps refuse to install.

Day-to-day workload

6 GB LPDDR4 of RAM is adequate for mainstream daily use; modern games may benefit from closing background apps. Display resolution is 1920x1080.

This record reflects Android API level 28 (9). Android 8–9 — legacy; many banking and DRM apps drop support at this level.

Trust & buying notes

If you're cross-checking a phone advertised as a zuk ZUK Z2121, the fields most worth verifying are: Build.MANUFACTURER lowercase-equal to "zuk"; Build.SOC_MODEL set (Android 12+) and consistent with Snapdragon 820. For an automated check, run our Hardware Trust Score from the DevCheck AI app and compare its output against this entry.

Because this entry runs Android 9, treat it as a reference for older inventory: refurb shops sometimes flash old firmware to make a device look "stock," so a modern build date with this API level is a red flag.

Identity

MANUFACTURER
ZUK
BRAND
ZUK
MODEL
ZUK Z2121

Operating System

API
9 (28)
PLATFORM
qcom

SoC / CPU

SOC
Snapdragon 820
CPU
msm8996
CORES
4
FAMILY
Kryo Kryo
CLUSTERS
2 x 2.15 GHz 2 x 1.59 GHz
CLOCK_SPEED
307 - 2150 MHz

GPU

GPU_VENDOR
Qualcomm
GPU_MODEL
Adreno (TM) 530
GPU_CLOCK
133 - 624 MHz

Memory & Storage

RAM
6 GB LPDDR4

Display

RESOLUTION
1920x1080
TOUCHSCREEN
Goodix-TS

Sensors

FINGERPRINT_SENSOR
fpc1020

Connectivity

WIFI
qca6174

Audio & Power

AUDIO
tfa9890
CHARGER
smb1351-charger

Other

LCM
samsung_1080p_cmd_mode_dsi_panel
CAMERA
s5k2m8sxov8865
SOUND
msm8996tashamtp
MODEM
M8996FAAAANAZM-1.70664.3.76387.1,M8996FAAAANAZM-1.70664.3.76387.1
OTHER
cclogic drv2605l-haptics
SCSI
KLUDG8J1CB-B0B1
BATTERY
Coslight_2293785_lenovo_z2_3000mah_averaged_masterslave_jan18th2016

Related devices

Other phones in our database with similar hardware — same brand or same SoC.

DevCheck AI · v1.1.2 · new: live spec cross-check

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DevCheck AI cross-checks 8 hardware signals plus your public-IP reputation and gives a single Hardware Trust Score. New in v1.1.2: Spec cross-check reads your real hardware and diffs it against the canonical spec for your model, live from a community-verified database — "matches / N mismatches / no reference" right in Device Info. Plus a refreshed UI (ring gauges, chipset card, per-core frequency grid) and a big.LITTLE CPU core-count fix.

  • Live Spec cross-check (v1.1.2)
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