Last Updated: June 2, 2026
Get your SM-A217F Galaxy A21s back to working order using the official Samsung Galaxy A21s SM-A217F firmware. This guide provides all the necessary files and steps to handle hard resets, bypass FRP, repair IMEI, and fix software glitches.
Device: Samsung Galaxy A21s SM-A217F | Chipset: Samsung Exynos 850 (8 nm) | Flash Tool: Odin
Android: Android 10 (initial), upgradable to Android 12 with One UI Core 4.1 | File Type: .tar.md5 / ZIP (Contains AP, BL, CP, CSC files for Odin)
⚠ Warning: Flashing erases all data. Back up first.
Samsung Galaxy A21s SM-A217F Firmware (Flash File) Drivers, Tools & Guide
Installing the official Samsung Galaxy A21s SM-A217F firmware using Odin is a simple process when you have the correct files and tools. I have organized everything you need right here, including the exact Odin version and the proper flash file for your phone.
Before you connect your phone to the computer, make sure to sign out of any active Samsung accounts. Skipping this step will trigger Knox security, leaving you with a KG lock that takes much longer to resolve. Also, remember that Samsung packages its firmware in .tar.md5 formats. Once you unzip the folder, you need to look for files labeled AP_*, BL_*, CP_*, and CSC_* (or HOME_CSC_*). If those specific files are missing, you downloaded the wrong package.
You will receive your Samsung Galaxy A21s SM-A217F firmware inside a compressed ZIP folder. Use WinRAR or 7-Zip to unpack it. The extracted contents should show AP_*.tar.md5, BL_*.tar.md5, CP_*.tar.md5, and CSC_*.tar.md5 (or HOME_CSC_*.tar.md5). If the folder contains different file types, the package is not meant for your device.
Remember that installing stock firmware will completely wipe your phone. This factory reset effect is exactly what fixes persistent software bugs, FRP locks, severe battery drain, forgotten passwords, Wi-Fi drops, and soft brick conditions.
Hard Reset Samsung Galaxy A21s SM-A217F
A factory reset on the Samsung Galaxy A21s SM-A217F requires you to power down the phone entirely, then press and hold Volume Up + Power (use Volume Up + Home + Power on older models with a physical home button) until the recovery screen loads. Highlight “Wipe Data/Factory Reset” using the volume rocker and press the Power key to confirm.
Performing a hard reset wipes the internal storage and returns the Samsung Galaxy A21s SM-A217F to its out-of-box state. This resolves standard glitches like frozen screens, sluggish menus, and continuous bootloops. Should the phone still misbehave after resetting, the sections below cover a full firmware installation.
Samsung Galaxy A21s SM-A217F FRP Bypass
You can quickly bypass FRP on the Samsung Galaxy A21s SM-A217F by utilizing a free Android apps launcher to access settings during the initial setup. Flashing or resetting the phone often triggers a Google account lock (FRP). Using our free Android apps launcher is the easiest way to navigate past it. This is exactly why removing your Google credentials before a flash is highly recommended.
Why Do We Need Samsung Galaxy A21s SM-A217F Firmware?
Flashing the official Samsung Galaxy A21s SM-A217F firmware is necessary to fix deep system errors, bypass locks, or update the operating system. Samsung phones rely on Odin for this process, regardless of the internal processor.
- Unlock a disabled or carrier-locked handset.
- Upgrade to the newest Android OS version available for the hardware.
- Stop random freezing, lag, and continuous bootloops.
- Fix failed OTA updates and unusual battery drain.
- Reinstall the original stock ROM to maintain warranty status.
- Fix a phone that only boots into the recovery menu.
- Recover from KG lock or Knox errors caused by an interrupted flash.
Read more about stock ROMs and why flashing works.
Choosing the Right Firmware Version
Selecting the correct firmware version is critical before starting the Odin flash process. Installing a file meant for another variant can permanently damage the motherboard.
- Identify Your Exact Model Number: Navigate to Settings › About Phone and verify the full model name (e.g. SM-A217F). The final letter dictates the region, U/U1 means USA, W is Canada, N is Korea, and B/F represents International variants.
- Match the CSC (Region): The firmware filename includes a 3-letter region code that must align with your phone. Find your current CSC under Settings › About Phone › Software Information, or check Download Mode. Examples include XAA (US), BTU (UK), INS (India), and SER (Russia).
- Check the Binary Level: Read the version string on your current OS (e.g.
XXU9BZDP, the number is the binary). Downgrading to a lower binary is blocked by Samsung. A phone on Binary 9 requires Binary 9 or higher. - Confirm the Build Date: The final 4 characters of the PDA string reveal the build date. The first letter is the year (A=2024, B=2025, C=2026), and the second is the month (A=Jan to L=Dec).
- Verify in Download Mode: Turn off the phone and hold Volume Down + Power to open Download Mode. This menu displays the exact model, CSC, and software version for final confirmation.
Firmware Details for Samsung Galaxy A21s SM-A217F
The official firmware specifications for the Samsung Galaxy A21s SM-A217F are listed in the table below.
| Firmware Information | Details |
|---|---|
| Device Model | Samsung Galaxy A21s SM-A217F |
| Firmware Version | V00 |
| File Size | 716.82 MB |
| Android Version | Android 10 (initial), upgradable to Android 12 with One UI Core 4.1 |
| Platform | Samsung Exynos 850 (8 nm) |
| Release Date | Released 2020, June 02 |
| Region | Global, Africa and Asia |
| File Type | .tar.md5 / ZIP (Contains AP, BL, CP, CSC files for Odin) |
Which Firmware Version Should I Download?
Choosing the right Samsung Galaxy A21s SM-A217F firmware depends entirely on the current state of your phone. Use this table to find your specific scenario and grab the correct file.
| Your Situation | What I Recommend |
|---|---|
| Phone is completely dead or stuck on logo | the latest version, download this one. It is the latest Samsung Galaxy A21s SM-A217F firmware available. |
| FRP / Google account lock only | See the FRP bypass guide above, you likely do not need the full firmware for this. |
| Not sure which region/CSC to download | Check Settings › About Phone › Software Information for your current CSC, or enter Download Mode (Volume Down + Power), it shows the CSC on screen. Match the 3-letter code (e.g. XAA, BTU, INS) to the firmware filename. |
| Phone slow after a recent OTA update | Try the next older version, sometimes the latest OTA introduces new bugs and an older build runs better. Make sure the binary level is the same or higher than what your device currently has. |
| IMEI missing after a previous flash | Re-flash the latest version first, then follow the IMEI repair guide. Do not skip the reflash. |
| the latest version failed with a flash error | Try the next older version instead and double-check your AP/BL/CP/CSC file assignments in Odin before assuming the firmware is the problem. |
| Restoring to factory / warranty repair | the latest version, clean state, fresh start. |
To tell which Samsung firmware is newer, look at the last 4 characters of the PDA version string (e.g. S938BXXU9CZDP). The first character is the year (A=2024, B=2025, C=2026), the second is the month (A=Jan, B=Feb… L=Dec, Z=final stable), and the last two are the revision (0-9 then A-Z, where Z is highest). But before comparing dates, always check the binary level: the digit just before the date code (e.g. XXU9CZDP = Binary 9). You cannot downgrade to a lower binary level. If your device is on Binary 9, only flash Binary 9 or higher. Also make sure the 3-letter CSC code in the firmware matches your device region.
Download Samsung Galaxy A21s SM-A217F Firmware
Grab the official stock files for the Samsung Galaxy A21s SM-A217F below. The newest available build is the latest version. Once the download finishes, compare the file size against the specifications table. A mismatched file size usually indicates a corrupted download, which will cause Odin to fail.
| Software Details | Download Link | Members Link |
|---|---|---|
|
File Name: COMBINATION_FAC_FA81_J610GUBU1ARI4_FACFAC_CL14321305_QB19776235_REV00_user.rar Size: 716.82 MB | Download Link | Download Link2 |
Only download firmware that is fully compatible with your exact device model. See the firmware selection guide above if you are not sure.
- Your model number is a variant of SM-A217F with a different letter suffix. Check About Phone carefully, one letter difference can cause a failed or broken flash.
- Your chipset differs from Samsung Exynos 850 (8 nm). Confirm in recovery mode before proceeding.
- You downloaded the file from a source other than this page.
- The file size differs significantly from the sizes listed in the table above, a size mismatch usually means a partial download, which will fail mid-flash.
Prerequisites for Samsung Galaxy A21s SM-A217F Firmware
Preparing your workspace is mandatory before flashing the Samsung Galaxy A21s SM-A217F firmware. Two common mistakes ruin Samsung flashes: forgetting to log out of Samsung accounts (which causes KG lock) and using cheap charging cables that disconnect during the write process. Always grab a high-quality data cable.
- Back Up IMEI Numbers: Dial *#06# and record both IMEI digits. Keep these safe in case you need to restore your baseband later.
- Remove Google Accounts: Log out of all Google profiles to prevent an FRP lock.
- Remove Samsung Accounts: Log out of Samsung profiles to bypass KG security triggers.
- Back Up Your Data: Save your photos, contacts, and files elsewhere. The flash will wipe the internal storage.
- Charge Your Device: Ensure the battery is above 50%. A shutdown during a write operation will brick the phone.
- USB Cable & PC: Connect using a genuine data USB cable and a reliable Windows computer.
- Install Required Drivers:
How to Install Firmware on Samsung Galaxy A21s SM-A217F
You will need Odin to install the Samsung Galaxy A21s SM-A217F firmware. Keep the “Auto Reboot” and “F. Reset Time” boxes checked in Odin for the cleanest installation. If you need a different build, visit our Odin versions page. Older Samsung models occasionally prefer older Odin executables.
- Download and Extract:
- Save the firmware package from the links provided.
- Unzip the folder to a simple directory path without special characters.
- Install the Listed Drivers:
- Double-check that all drivers listed above are installed and restart your computer. Drivers often fail to load until a restart occurs.
- Load the Firmware File:
- Inside Odin, click “BL” and add the BL_*.tar.md5 file. Click “AP” and add the AP_*.tar.md5 file. Do the same for “CP” and “CSC”. Pick HOME_CSC to keep data, or standard CSC for a full wipe.
- Connect Your Device:
- Boot into Download Mode: Power down, then hold Volume Down + Power (plus Home on older units) until the warning screen pops up. Press Volume Up to continue.
- Plug the phone into the PC. Odin must display “Added..” in the message box to confirm detection.
- Start Flashing:
- Press the “Start” button.
- Leave the phone completely alone until the process finishes. Moving the cable will interrupt the flash.
- Wait and Reboot:
- Unplug the phone when Odin shows a green PASS message.
- Turn the phone on. The initial boot sequence takes up to 8 minutes to complete.
Video Guide for Flashing
What to Expect After Flashing Samsung Galaxy A21s SM-A217F Firmware
Many users panic during the first boot sequence, but the Samsung Galaxy A21s SM-A217F firmware installation behaves exactly as expected. Here is what happens next:
- How to know the flash was successful: A green “PASS.” message in the top-left corner of Odin means the write process succeeded.
- First boot takes 3 to 8 minutes: The phone is rebuilding the system cache. Do not force a restart, or you will cause a bootloop.
- The phone will feel warm during first boot: The processor is working hard to initialize the new OS. It cools down shortly after.
- All your apps are gone: A clean wipe removes everything. Re-download your apps from the Play Store or restore them from a Google backup.
- Dial *#06# immediately after setup: Check your IMEI before inserting a SIM card. If the screen reads “unknown”, follow the IMEI repair guide.
- Be careful when re-adding your Google account: If you skipped the sign-out step earlier, you might hit an FRP wall. Enter your credentials during the setup wizard.
- Wi-Fi, Bluetooth, and mobile data: These features should activate immediately. If mobile data fails, manually input your APN settings in the network menu.
- Stuck in a bootloop after first boot? Boot into recovery and execute a factory reset (see the hard reset guide above). Leftover temporary files usually cause this loop.
- Samsung Smart Switch: Smart Switch might push extra updates after you install the Samsung Galaxy A21s SM-A217F firmware. Allow it to update to secure the newest regional patches.
Missing IMEI or Corrupt Baseband on Samsung Galaxy A21s SM-A217F After Flashing?
A missing IMEI or corrupt baseband on the Samsung Galaxy A21s SM-A217F usually means the EFS partition was wiped during the flash. Restoring an IMEI that does not belong to your original motherboard is illegal in many regions, so only repair the digits that originally came with the phone. Software like ChimeraTool or BFT can fix the EFS partition. Verify your local regulations first.
Video Guide: How to repair IMEI
Common Issues When Flashing Samsung Galaxy A21s SM-A217F
- Odin Shows “FAIL” Instead of “PASS”:
- The firmware region or model number does not match the phone. Verify the exact digits in Settings › About Phone before selecting your files.
- Samsung Galaxy A21s SM-A217F Not Recognized by Odin:
- Reinstall the USB drivers and confirm you are in Download Mode. Swap to a different data cable, as Odin drops connections from low-quality wires.
- KG Lock / Knox Triggered After Flashing:
- A Samsung account was still logged in, or an unofficial file was used. Always log out of accounts beforehand. Removing an active KG lock requires specialized unlocking hardware or software.
- Boot Loop After Flashing:
- Reboot into recovery (Volume Up + Power) and wipe the data partition. This deletes conflicting files from the previous Android version.
Frequently Asked Questions
Q1: Will flashing the Samsung Galaxy A21s SM-A217F firmware erase my data?
A: Yes, running this firmware through Odin completely formats the device. It reverts the phone to the factory defaults of Android 10 (initial), upgradable to Android 12 with One UI Core 4.1. Every application, photo, and contact disappears. Save your files beforehand, because recovery is impossible after the flash completes.
Q2: Is this firmware compatible with other Samsung models?
A: No, this package is strictly designed for the Samsung Galaxy A21s SM-A217F and its Samsung Exynos 850 (8 nm) processor. Even a slightly different variant of the SM-A217F might use entirely different internals. Flashing a mismatched file will brick the phone. Always confirm your model in the About Phone menu.
Q3: Can I downgrade from the latest version to an older firmware version?
A: Downgrading is sometimes possible on Exynos chipsets, but it is highly discouraged. Rolling back Android 10 (initial), upgradable to Android 12 with One UI Core 4.1 introduces security vulnerabilities and app crashes. If the newest build is unstable, leave a comment describing the issue so we can find a safer solution.
Q4: What should I do if I encounter an FRP lock after flashing?
A: Download our free Android apps launcher. FRP engages when a Google account remains logged in before a reset. Using the launcher is the fastest workaround, which is why logging out of your accounts before flashing is the best preventative measure.
Q5: Are custom ROM options available for the Samsung Galaxy A21s SM-A217F?
A: This article focuses entirely on official Samsung stock software. Finding a custom ROM for the Samsung Galaxy A21s SM-A217F relies on whether developers built open-source kernels for the Samsung Exynos 850 (8 nm) chip. Visit our Custom ROMs page or browse the XDA Developers forum for community-built projects.
Q6: My Samsung Galaxy A21s SM-A217F is not detected by Odin. What should I do?
A: Driver issues are the usual culprit. Reinstall the Samsung USB drivers, reboot the computer, and test the connection again. Move the cable to a USB 2.0 port instead of 3.0, and temporarily disable your antivirus. If Odin still ignores the phone, drop a comment with the exact error code.
Q7: How do I enter recovery mode on my Samsung Galaxy A21s SM-A217F?
A: Shut the screen off completely. Press and hold Volume Up + Power simultaneously until the recovery menu loads. If your phone has a physical home key, press Volume Up + Home + Power. The recovery screen displays the exact build number of your Samsung Galaxy A21s SM-A217F to help you verify the current software version.
Q8: My IMEI shows “unknown” after flashing the Samsung Galaxy A21s SM-A217F. Is my phone permanently damaged?
A: The phone is not broken, but the EFS partition needs repair. Read the IMEI repair guide located in the troubleshooting section. Do not put a SIM card into the tray until the original numbers are fully restored.
Q9: How long does it take to flash Samsung Galaxy A21s SM-A217F firmware?
A: Odin typically finishes the writing phase in 3 to 10 minutes, depending on file size and USB speeds. The first reboot takes an additional 3 to 8 minutes. Never unplug the device if the progress bar pauses, just let the process finish naturally.
Final Thoughts on Samsung Galaxy A21s SM-A217F Firmware
You now have all the instructions required to safely install the official Samsung Galaxy A21s SM-A217F firmware (the latest version) via Odin. Following these steps exactly will leave your phone running a fresh, stable operating system.
If you hit an unexpected error or a specific step fails, leave a detailed comment below. Include the exact error message, your current step, and the troubleshooting steps you already attempted. I read every comment and will help you troubleshoot the issue.
If this walkthrough solved your software problem, please share the page to help others fix their phones too.
Browse all Samsung firmware downloads for more devices.
Disclaimer: Flashing stock firmware is performed at your own risk. Follow the instructions on this page carefully. I cannot be held responsible for any damage to your device, but I will always try to help if something goes wrong.
