Smartphone Samsung Galaxy S8, despite its age, remains a reliable device, but over time, users are faced with the need to completely clean the system. This may be caused by device sales, serious software glitches, or a desire to start using the device “from scratch.” The process of returning to the original state requires care, as it irreversibly deletes all personal information.
In this article we will analyze in detail all the available methods for restoring factory settings on your gadget. You will learn about the differences between a soft reset through settings and a hardware reset, which is necessary when the screen is locked or the system cannot boot. Proper preparation and adherence to the sequence of actions guarantee successful completion of the procedure without damaging the iron. Hard Reset, which is necessary when the screen is locked or the system cannot boot. Proper preparation and adherence to the sequence of actions guarantee the successful completion of the procedure without damaging the iron.
Before taking active steps, it is critically important to understand the scale of the consequences. The reset will delete all photos, contacts, messages and installed applications that are not synchronized with the cloud. S8 owners should know that after the reset, Google FRP protection is triggered, requiring you to enter a password for the account that was the main one on device before cleaning. Ignoring this fact can turn the phone into a “brick”, access to which will be extremely difficult.
⚠️ Attention: The One UI shell interface and recovery menu may vary slightly depending on the firmware version installed on your Samsung S8. If the menu items look different, focus on the meaning of the actions, and not just the names.
Preparing the device for a full reset
The first and most important step is to create a backup copy of all valuable data. Built-in tools Samsung Cloud or service Google Drive allow you to save contacts, calendar and notes automatically. For photos and videos, it is recommended to use a computer or third-party cloud storage, as the built-in memory will be completely formatted.
You must also check the battery level. The process of overwriting system partitions consumes a significant amount of power, and a sudden power outage can damage the bootloader. Make sure that the battery is charged at least 60-70%, and ideally connect the device to the network while performing the operation.
Special attention should be paid to accounts. If you plan to sell your phone or give it to another person, you must log out of all profiles. This applies not only to your Google account, but also Samsung Account, as well as various instant messengers and social networks. Logging out of your accounts will prevent the anti-theft systems from triggering and the device being locked by the new owner.
☑️ Checklist before resetting
Before resetting, remove the microSD memory card and SIM card. Although the reset should not affect the external drive, removing the cards eliminates the risk of accidentally formatting or corrupting the card's file system during the reboot process.
Reset method through the system settings menu
The safest and easiest way to return Samsung Galaxy S8 to factory state is to use the stock Android settings menu. This method is suitable for devices that turn on normally, respond to touch, and do not have screen locks that prevent access to the interface. The system itself will perform all the necessary cleaning procedures without user intervention in the system partitions.
First, open the main application menu and find the icon Settings. In the list of parameters that opens, you need to scroll down to the section General settings (or General Management in the English version). This is where the tools for managing memory, language and device reset are concentrated. Selecting the correct menu item is key to accessing the cleaning function.
Next, select the item Reset, and then click on the option Reset data. A warning message will appear on the screen listing the data that will be deleted. The system will show the amount of freed memory and list the types of files to be destroyed. Please read this list carefully to ensure that there are no important unsaved files.
After confirming by pressing the button Reset or Reset, the device will ask you to enter a PIN code, pattern or password used to unlock the screen. This is a security measure to prevent accidental or unauthorized reset by unauthorized persons. After verification, the data deletion process will begin, which will take from several minutes to half an hour, depending on the amount of information.
- 📱 Go to
Settings → General settings → Reset. - 🗑️ Click on item
Data resetand study the list of deleted information. - 🔒 Enter the screen unlock password to confirm the operation.
- ⏳ Wait until the system reboots automatically and completes setting up the system.
Using the settings menu - the most gentle method, since the system correctly closes all applications and services before deleting data, minimizing the risk of software errors after a reboot.
Hard Reset via Recovery Mode
Situations are different: sometimes the smartphone freezes on the logo, the screen does not respond to touches, or the user has forgotten the pattern key. In such cases, the standard path through the settings is not available, and the only solution is to enter recovery mode Recovery Mode. This method is more aggressive and requires precise adherence to the sequence of pressing the physical buttons.
A feature of the line models Samsung Galaxy S8 is the absence of a physical “Home” button, which changes the standard combination of entering recovery. First, the device must be completely turned off. If the phone freezes and does not turn off in the usual way, you will need to force a reboot by holding down the volume down and power keys for 7-10 seconds.
After a complete shutdown, you need to simultaneously press three buttons: Volume Up, Bixby (the button under the volume buttons) and Power. Hold them until the logo appears Samsung, after which you can release the power button while continuing to hold the other two. When the recovery menu appears with blue text on a black background, all buttons can be released.
Navigation in the menu Recovery is carried out exclusively by the volume buttons (up and down), and the selection of an item is confirmed by the power button. You need to find the line Wipe data/factory reset. Move the highlight to this item and press the power button. The system will ask for confirmation, asking you to choose Yes or No. Select confirmation and the formatting process will begin immediately.
⚠️ Note: In Recovery mode, the touch screen does not work. All actions are performed only with mechanical buttons. Do not press unnecessary buttons so as not to select a random menu item, such as formatting the cache or updating via ADB.
What to do if the Recovery menu does not appear?
If the button combination does not work, try connecting the switched off phone with a USB cable to the computer, and then hold down the button combination. On some versions of S8 firmware, entering recovery is only possible when power is connected or the PC is connected.
Removing Google FRP lock after reset
The function Factory Reset Protection (FRP) was introduced by Google to protect devices from theft. If you reset the settings without first logging out of your Google account, the first time you activate the phone, you will be asked to enter the email and password of the account that was last on the device. This is a serious barrier that cannot be bypassed by simple methods.
For the legitimate owner, the unlocking procedure is simple: just enter your account information. However, if the password is forgotten, it may take time to regain access through the account recovery procedure on another device. It is important to understand that attempts to guess a password or use third-party utilities to bypass FRP can lead to a complete blocking of the device by the Find My Mobile service.
The table below shows the main scenarios for the behavior of the security system and the necessary user actions:
| Reset scenario | Google account status | Power-on requirement | Solution |
|---|---|---|---|
| Through Settings | Login completed | No password requirement | Setup as a new device |
| Hard Reset (Recovery) | Account has been added | Requires last account password | Entering Google data or restoring access |
| Reset via Find My Mobile | Remote reset | Requires Samsung/Google password | Entering owner credentials |
| Buying a used phone | Seller account | FRP blocking | Contact the seller to reset |
Fixing problems after factory reset reset
After completing the procedure and initial setup, users sometimes notice strange behavior of the device. Rapid battery consumption, heating of the case or slowdown of the interface during the first hours of operation are normal. The system Android conducts background indexing of files, optimization of databases and downloading updates for Google Play services, which creates a high load on the processor Exynos or Snapdragon.
If the smartphone does not turn on after a reset and is stuck on the logo, the system partition may have been damaged. In this case, you will need to re-enter the mode Recovery and perform the item Wipe cache partition. This command clears temporary system files without affecting personal data (which has already been deleted), and often helps solve boot problems.
In rare cases, it may be necessary to flash the device through a app Odin on your computer. This is necessary if the software failure turns out to be critical and standard recovery methods do not help. Using official firmware from aggregator sites allows you to return the phone to its factory state even if the operating system is damaged.
- 🔋 Let the phone work for 1-2 hours without active actions to complete the optimization.
- 🧹 Clear the cache partition if the device slows down or gets hot.
- 🔄 Check for software updates in the menu
Settings → Software update. - 💻 Use PC and Odin to flash the firmware in case of critical boot errors.
⚠️ Attention: If after resetting the phone constantly reboots (bootloop), do not try to do Hard Reset endlessly. This may indicate a hardware problem with the memory or battery that requires service center intervention.
Post-reset optimization takes time. Do not rush to conclude that the device is faulty in the first 30 minutes after turning it on - let the system complete background indexing processes.
Frequently asked questions (FAQ)
Will information be deleted from the SD memory card when reset?
Default function Data reset in the settings menu does not format the external microSD memory card. However, in Recovery mode there is sometimes a separate item for formatting the SD card. To be absolutely sure of the safety of the files on the flash drive, it is recommended to remove the card before starting the reset procedure.
Is it possible to reset the phone if the screen is broken and does not work?
If the sensor does not work, but there is an image, you can try connecting a USB mouse via an adapter USB-OTG. This will allow you to control the cursor and navigate through the settings menu to perform a reset. If the screen is black and unresponsive, the only option is a combination of buttons to enter Recovery Mode, provided that you can blindly navigate through the menu (which is extremely difficult without visual control).
How long does the reset process take on a Samsung S8?
The data deletion procedure itself usually lasts from 5 to 10 minutes. However, the subsequent first boot and system setup may take 15 to 30 minutes. The total time depends on the amount of previously stored data and the speed of the device’s internal memory, which could degrade over time.
What should I do if the phone asks for an account password that I don’t remember?
You need to restore access to your Google account through any other browser or device by going to the Google account recovery page. If it is impossible to restore access, and the device officially belongs to you, you will need to contact a Samsung service center with the provision of documents confirming the purchase (receipt, warranty card) to remove the lock.
Will the phone return to the original version of Android after a reset?
No, resetting to factory settings returns the software to the state it was in currently. If you updated Android from version 8.0 to 9.0 or higher, your phone will remain on the updated version. A reset deletes only user data and settings, but does not roll back the firmware version to an older one.