Samsung W21 5G

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-W2021Sold inChinaFirmware1 CSC · 25 buildsLatest buildW2021ZCU7GZE1 · May 11, 2026→

One UI and Android versions of the W21 5G, with the first release of each.

1. Mar 2023

   One UI 5.1 · Android 13

   Official release: W2021ZCU2FWB7 (SM-W2021)

2. Dec 2022

   One UI 5 · Android 13

   Official release: W2021ZCU2EVK6 (SM-W2021)

3. Apr 2022

   One UI 4.1 · Android 12

   Official release: W2021ZCU2DVCB (SM-W2021)

4. Apr 2021

   One UI 3.1 · Android 11

   Official release: W2021ZCU2BUD7 (SM-W2021)

5. Oct 2020

   Android 10

   First firmware build: W2021ZCU1ATJ7 (SM-W2021)