When you release a bunch of mobiles in every category, the main issue is naming them. Yes, Initially, you may follow some pattern. But when you sell in different regions, it may affect the series name. Samsung Galaxy A21 and A21s may look like similar or successor mobiles. But the specs are different. Samsung Galaxy A21 comes with Android 10, and it is limited to the US and Canadian regions. Since A21 comes with Android 10 as a default OS, We don’t need any actions to get the OS version. But when you can’t get the regular patch updates or face issues with the firmware, you can use the below ODIN method to flash the firmware manually.
You can also use this method to Unbrick your mobile. There are plenty of features added to Android 10. Direct Google Play Store Security patch updates, Enhanced Privacy, and Improved Gestures are some noticeable features in the Android 10 version. When you have root access to your mobile, You should follow a unique method to flash the firmware. If you follow below ODIN method, you will lose root access.
Samsung Galaxy A21 One UI 2.0 Official Stable Stock Android 10 Firmware Flash
Official OTA Method
If you want to update a security patch to the current month, don’t go for the manual method. Try this Automatic method even if it is a safe method. You should follow some steps before making an update on your mobile.
The process is straightforward and simple;
Go to your device setting menu and scroll down to the bottom.
Tap on “Software Update”
You may have to refresh the page to start the OTA upgrade process.
Manual Method (SM-A215U, SM-A215U1, SM-A215W)
- Check Your Device Mobile No. If you flash a Different model number, you will lose some features based on your region.
- Battery Percentage Above 50.
- Backup Your Device.
Using ODIN Method
Enable USB Debugging Mode and OEM Unlock; you’ll find these options at Settings >>> Developer options. If you didn’t see the developer options on your settings menu, then go to about >>> build number; click on the “Build Number” row about ten times regularly to activate “Developer Option” on your device.
- Download the Samsung USB driver and install it on your PC.
- We are using third party software flashing. Download ODIN and install this also on your PC. In the version, select the latest version ODIN.
- Download Firmware From below links For Samsung Galaxy A21 Official Firmware.
- SM-A215U1 (Unlocked USA)
- SM-A215W (Canada)
- Select recent firmware. When selecting firmware, refer- How to choose the correct firmware.
- If the above mirror is not working, try the secondary mirror.
- Switch off your Mobile. Enter into Download mode->Volume Down+ Power Button and Connect Your Mobile To PC via USB Cable; after Samsung Logo Appear, Release all keys.
- After entering into Download Mode, it will say Warning; press the Volume Up button to continue.
- Launch Odin Application.
- It Will Show the message added.
- If you did not get this message, Repeat the above steps.
- After Getting Added Message Select, AP/PDA Button, Browse for the Firmware file selects it. Tick the Auto-Reboot.
- Press Start wait for the tasks to complete. It will automatically reboot after the process ends.
- You can Check the Firmware Details->Settings->About->Version.
Samsung Galaxy A21 Android 10 One UI 2.0 Features
One UI 2.0 is created based on Android 10. Samsung Always Adds extra features to the OS. I listed Both Regular Android 10 Features and Some Exclusive One UI Features. We already covered Exclusive One UI 2.0 features that only available in Samsung Devices.
You know this already; if you turn on Subtitles on Youtube, It will auto-generate the captions. The Same functionality can be work on all over your device videos. It Doesn’t require Wi-Fi/ Data. This feature not yet available. But, It will be rolling out soon.
Currently, limited languages are available as per Google Data.
It is already available in the Pie version. But it is limited. Now you can explore more actions when you get the messages. You can Open Links, Open Apps based on the messages.
We always do this using Third-party apps. Now we can adjust the Volume and Tune, Equalize using the in-built feature. You can do a lot of things like Reduce noise, Enhance the Tune like that.
Enhanced Gesture Navigation
The True Gesture Navigation has finally arrived. It may not be best compare with OnePlus devices, But It is way better than the Pie 9.0 version. If you swipe From Left to Right, It goes forward. Right to Left goes Backward. Home button work as usual. You can access recently used apps By Swiping Quarter Screen to the Top. Simple Navigation to avoid confusion.
It is not like Night Mode. It didn’t add a filter on display. If you have OLED Display, It will surely save your battery power from 5-30% based on your usage.
Google always added enhanced Privacy features in every Android version. In the 10th version, You can handle your Privacy a lot better. It will always tell you when your installed apps access your location in the background to manage whether you need that permission on Always or During the app usage.
Direct System Updates
Unlike regular OTA updates from your Manufacturers, the regular patch updates will be handled by Google After you updated to the Android 10 version. This update happens using your Google Play App. If you have Custom Skin OS from your Manufacturer, Google will not change the UI. They will handle only Patch updates. It is one of the most critical steps taken from their side. It will help all the users who are tired of their manufacturer’s Late updates.
It can be an additional function of Digital Wellbeing. Now you can Pause some apps to avoid the Notifications For a short time or a Long time. Some mobiles are made based on this scenario. To avoid distractions and get focused on what you are doing. Think you are Studying, and a Single Whatsapp message can redirect you. With the help of this feature, you can use only Study apps during your Study time.
It is like Parental Control. You can control the App Timings within your Added Google Accounts.
One UI 1.0, 1.5 vs. 2.0
There are plenty of optimizations done. I will cover some Important tweaks that we want.
Options moved to the Bottom position so that you can use it comfortably in one hand.
Night Mode available to reduce eye stress.
- Digital Wellbeing is available.
- Alternative Look added in Face Unlock. It allows us to combine different appearances like Glass, Without Glass, Cap, and Without Cap. Most of the time, your mobile will recognize this default. But when you face issues, you can use this feature.
- Notification Date and Time Size are reduced. Now you can access more Toggles in the Notification bar.
You can quickly reply to messages within the notification bar.
Image thumbnails are available.
A new emojis suggestion is available. You can allow or disable this. Based on your conversation, your keyboard will suggest the emojis.
The floating keyboard is available in all apps; it will be handy when using your mobile in landscape mode.
You can now set a custom touch and hold delay.
Always On Display
It has New clock styles. Charging Information is also available.
Re-organized Menus to find every essential and frequent usage easily.
Smart Things Interactions are added to the Bixby with the latest OTA.
Call History increased to Above 2000 entries.
Now you can manage contacts from various accounts with a new drawer menu.
Enhanced features are available now with AI Features.
- Samsung redesigned the Settings menu with accessible zoom functions.
Photo Editor App Available.
New Storage Analysis Tool is available to Monitor Storage and RAM Usage.
Samsung Health Steps counter available in the Notification Bar.
Other improvements and changes
Access Kids Home Available in the quick panel.
They removed Call stickers.
HEIF images support in Gallery and other apps.
- New Set of Emoji.
- Enhanced Adaptive Battery Improvements compare with the Pie version.
- Contaminant Detection- If any moistures are in your USB Ports, your mobile will alert you.
Selecting the correct firmware is the Major step in this process. Based on your country or region, choose the firmware. It is a Manual ODIN process; You can flash the latest version. But if you use the sideload method, you should flash the next version of your mobile firmware, or else the process may brick your device. There are plenty of features added. Improved gestures are one of the best features in this version. If you can’t find your region, you can flash the near region firmware. But, It should be within the same model number. After the flash, you can contact your Mobile Operator and configure your Network settings. There is a reason for Custom skin OS manufacturers are not doing regular patch updates. As per company stats, Only a small percentage of people are worried about the software updates.
Samsung Exclusively added some extra features in Samsung Galaxy A21 Android 10 One UI 2.0. If you are already using Custom ROM, use this new OS for some weeks. It will surely give you a unique experience.
Selva Ganesh is the Chief Editor of this Blog. He is a Computer Science Engineer, An experienced Android Developer, Professional Blogger with 8+ years in the field. He completed courses about Google News Initiative. He runs Android Infotech which offers Problem Solving Articles around the globe.