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Samsung Galaxy S21 FE 5G (SM-G990U) - Build G990USQSLIZA1

Stock Firmware • Download • Android 16

Samsung SM-G990U — Firmware G990USQSLIZA1

Device: Samsung Samsung Galaxy S21 FE 5G

Model Code: SM-G990U

Series: Galaxy G

Build Number: G990USQSLIZA1

Region (CSC): AIO

Android Version: v16

Release Date: 2026-01-30 00:00

User Rating: ★★★★☆ 8.9/10

Downloads: 241

Important: This is an official Samsung Service ROM (4-file format). Use Odin to flash. Includes PIT partition. For repair/update purposes only.

Step-by-Step Flashing Instructions

  1. Preparation: Download this firmware file.
  2. Odin: Download Odin3 v3.14.4 or newer.
  3. Download Mode: Power off your Samsung Galaxy S21 FE 5G. Hold Vol Up + Vol Down and connect USB.
  4. Load Files: Open the downloaded firmware. Select BL, AP, CP, CSC files in Odin.
  5. Flash: Click Start. Wait for "PASS!" message.