specdeviceinfo

V1821A

V1821A · Vivo

SoC
Snapdragon 845
RAM
10 GB LPDDR4X
Resolution
2340x1080
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 vivo V1821A is built around the Snapdragon 845, a current or recent flagship-tier SoC from Qualcomm. It launched in 2017 on a Samsung 10nm 10LPP process. 2018 flagship, the chip behind the Galaxy S9, OnePlus 6, and Pixel 3.

Now considered legacy — sufficient for basic apps, web, and 2D games, but modern banking and DRM apps may degrade or refuse to run.

Day-to-day workload

10 GB LPDDR4X of RAM is comfortable for modern apps and moderate multitasking. Display resolution is 2340x1080.

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 vivo V1821A, the fields most worth verifying are: Build.MANUFACTURER lowercase-equal to "vivo"; Build.SOC_MODEL set (Android 12+) and consistent with Snapdragon 845. 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
vivo
BRAND
vivo
MODEL
V1821A
PRODUCT
PD1821

Operating System

API
9 (28)
KERNEL
4.9.112-perf+
PLATFORM
qcom

SoC / CPU

SOC
Snapdragon 845
CPU
sdm845
CORES
8
FAMILY
Kryo-3xx-a75 Kryo-3xx-a55
CLUSTERS
4 x 2.80 GHz 4 x 1.77 GHz
CLOCK_SPEED
300 - 2803 MHz

GPU

GPU_VENDOR
Qualcomm
GPU_MODEL
Adreno (TM) 630

Memory & Storage

RAM
10 GB LPDDR4X
FLASH
UFS

Display

RESOLUTION
2340x1080

Sensors

ACCELEROMETER
lsm6dsm
GYROSCOPE
lsm6dsm
MAGNETOMETER
maglib_mag
ALSPS
Light
FINGERPRINT_SENSOR
+

Connectivity

WIFI
wcn3990

Audio & Power

CHARGER
USE PMIC

Other

SOUND
sdm845tavilsndc
MODEM
845_GEN_PACK-1.207929.1.209436.2,845_GEN_PACK-1.207929.1.209436.2
OTHER
unk49 unk49 unk50 unk10 unk55 unk34 unk6a unk6b

Related devices

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

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