Samsung Galaxy A21 SM-A215U/A215W Firmware Flash File (Stock ROM Guide)

Samsung, the South Korean giant, has been launching mid-range smartphones under the “A” series. Back on April 8, the brand has launched its new smartphone, which is the Samsung Galaxy A21. It comes with a 6.5 inch Super AMOLED display, 3GB RAM, 32GB storage, quad rear camera setup, and 4,000 mAh battery.

Here we will share with you all the latest Galaxy A21 Stock Firmware files collections with flash file download links, requirements, tools, drivers, and the full installation guide as well.

If you’re using the Samsung Galaxy A21 (SM-A215U/A215W) or planning to buy it, then this guide is for you. Now, we assume that you’re already using the device but facing some issues with the software. It can be a camera issue, battery draining or charging issues, Google apps issue, or performance issue. If you’re facing any kind of similar issue with your handset, you’re in right place.

Some times, advanced users want to flash any mod file, install a custom recovery, bootloader unlock, or root their devices. In this case, they may get some issues with boot loop or soft bricking as well. Therefore, you need to flash the Stock ROM again to get back in track easily.

By installing the firmware flash file on your handset, most of the common issues will be fixed easily. Now, you may ask why only Stock ROM or what are the other advantages. Let’s take a look.

Samsung Galaxy A21 SM-A215U/A215W Firmware Flash File (Stock ROM Guide)


Samsung Galaxy A21 Specifications

The Samsung Galaxy A21 sports a 6.5 inches Super AMOLED display with an HD+ resolution, and the trending punch hole. This display has a pixel density of 270 Pixel Per Inch (PPI), an aspect ratio of 20:9, and the HD+ resolution is paired with 720 x 1600 pixels.

Underneath the Samsung Galaxy A21, it sports the MediaTek MT6765 that is also known as MediaTek Helio P35. This SoC is built on the 12nm process, and the octa-core setup includes Cortex A53 cores, where four are clocked at 2.3GHz and the other four at 1.8GHz. To the GPU side, it sports the PowerVR GE8320. To the other side, it comes with 3GB of RAM, and 32GB of eMMc 5.1 internal storage. Further, this is expandable via the micro SD card up to 512GB. The smartphone has a dedicated SIM card slot where you can insert two Nano type SIM cards, and a micro SD card.

Coming to the cameras on the Samsung Galaxy A21, it sports a quad rear camera setup. This setup includes a primary 16MP sensor with support for autofocus. This primary setup pairs with a secondary 8MP ultra wide-angle sensor and a 2MP depth sensor. Finally, it comes with a 2MP macro sensor. It supports features like LED flash, panorama, and HDR. To the front, the smartphone gets a 13MP sensor that sits in the punch-hole display. Sadly, both the sensors can shoot only videos up to 1080p @ 30fps.

The Samsung Galaxy A21 packs a 4,000 mAh battery, and also supports for 15W fast charging tech. The smartphone runs on the One UI 2.0, which is based on the Android 10. Connectivity options include Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, Bluetooth 5.0, A2DP, LE, GPS with A-GPS, GLONASS, BDS, NFC, and FM radio. Sensors on board include accelerometer, proximity, and compass. Talking about biometric options, it includes a rear-mounted physical fingerprint sensor and also supports for face unlock. The device is available only in a single color option, which is in black. Thankfully, Samsung has still retained the 3.5mm headphone jack with this device. Finally, coming to the pricing of the smartphone, it starts at 250 Euros.

What is a Stock ROM?

A smartphone or a device that comes with a preloaded official system or user interface called Stock ROM. The smartphone brands always provide Stock Firmware which is the latest and compatible with your device model at that time. Therefore, users will get better user experience and device performance as well with that preloaded firmware. It’s worth mentioning that the Stock ROM also provides better security and stability to the device and user data as well. Though it doesn’t come with so many visual changes or customizations which makes it quite simple and lightweight also.

We all know that Android is an open-source platform based on Linux which is really easy to use and customizable. Any of the advanced users or developers can easily customize their Android devices by installing a custom recovery, flashing Custom ROMs, mod files, or even root. During these kinds of processes, if you didn’t follow the guide or steps properly, you may get issues. Mostly the Android devices may occur Screen freezing, touch unresponsive, camera fail or boot loop. Now, if you’re facing a similar kind of problem with your device, you have to manually install the Stock ROM again.

This process clears the device cache, internal storage, installed apps and games, temporary files. Therefore, you will get a new fresh ROM with clean UI which fixes almost every common issue. Here are some of the advantages of flashing a stock ROM.

Advantages of a Stock ROM

  • It will Unbrick your Samsung Galaxy A21
  • Helps in fixing the boot loop problem
  • you can easily upgrade or Downgrade your Samsung Galaxy A21
  • Unroot or Fix Bugs
  • Offers compatible and stable user experience
  • To fix the lag or stutter on Samsung Galaxy A21
  • By flashing Stock ROM, you can solve software problems
  • Revert back to stock to gain your warranty (if applicable)
  • Fixes the OTA update issues

So here in this article, we will cover on Samsung Galaxy A21 (SM-A215U/A215W) Stock Firmware Collections. Now, let’s get into the firmware download links.

Download Samsung Galaxy A21 Stock Firmware


Steps to Install Stock ROM Flash File on Galaxy A21

Before we get straight to steps to Install Stock Firmware on your Samsung Galaxy A21, let us take a look at the pre-requirements at first.



Now, let’s take a look at Steps to flash Stock ROM on Samsung Galaxy A21.


We’re at GetDroidTips won’t be responsible for any kind of damage/error occurs to your handset while/after following this guide or flashing any file. Proceed at your own risk.

Installation Instructions:

We have provided a full detailed installation guide of Odin Flash Tool for Samsung devices. In order to flash Stock ROM on Samsung Galaxy A21, you need to follow the below guide carefully:

Guide to Install Stock ROM on any Samsung Galaxy Devices using Odin Tool

Check out our full depth video guide as well.

Watch Video Guide to Install Stock ROM on Samsung Galaxy Devices via Odin Tool

We hope that this guide will be helpful to you. If in case, you’re facing any issues, feel free to ask in the comments below.

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