Factory Mode on Android: a complete guide on resetting to factory settings

Factory mode (Factory Mode) on Android is a hidden service interface designed for testing and diagnosing a device during production or repair. Unlike the standard recovery menu (Recovery Mode), it provides access to low-level functions, including a forced factory reset. However, incorrect use of this mode can lead to irreversible data loss or blocking of the device without the possibility of recovery through standard methods..

In this article we will look at how to safely log in Factory Mode on devices from different manufacturers (Samsung, Xiaomi, Huawei etc.), reset to factory settings, and also consider alternative ways if the standard method doesn't work. We will pay special attention to the differences between Factory Mode and Recovery Mode, as well as how to avoid common mistakes that will turn your smartphone into a “brick”.

What is Factory Mode and why do you need it

Factory Mode (or Factory Test Mode) is a diagnostic mode that is activated at the production stage to check the functionality of hardware components: display, camera, speakers, sensors, etc. Unlike the user interface, it is not intended for everyday use, but can be useful in the following cases:

• 🔧 Force reset When the screen is locked or the system crashes, when the standard methods (Settings → Reset) are not available.
• 📱 Testing hardware components before sale or after repair (for example, checking the touchscreen, microphone, accelerometer).
• 🔄 Firmware recovery on devices with a damaged OS, when Recovery Mode does not start.
• 🛠️ Unlocking the bootloader on some models (for example, Xiaomi or Meizu).

It is important to understand that Factory Mode is not the same as Safe Mode (safe mode) or Fastboot Mode. It does not have a graphical interface, and is controlled via key combinations or connecting to a PC. Some manufacturers (for example, Samsung) block access to this mode on new models for security reasons.

⚠️ Attention: On devices with Android 12+ and newer versions. Login to Factory Mode may be limited or require authorization through the manufacturer's account (for example, Samsung Knox or Mi AccountBefore attempting a reset, make sure you have a backup copy of your data and access to the original firmware.

Differences between Factory Mode and Recovery Mode and Fastboot

Many users confuse Factory Mode with other service modes. Let's look at the key differences:

Mode	Purpose	How. login	Risks
Factory Mode	Diagnostics of hardware components, forced reset, testing before sale.	Key combination (depending on the model) or through ADB.	High: possible loss of IMEI, locked bootloader, damaged firmware.
Recovery Mode	Reset settings, install updates, clear cache.	Buttons Power + Volume up (on most devices).	Medium: data loss, but recovery is possible through backup.
Fastboot Mode	Firmware, unlocking bootloader, recovery via PC.	Command adb reboot bootloader or buttons Power + Volume down.	Very high: if an error occurs, the device may become inoperable.
Safe Mode	Boot the system without third-party applications to diagnose failures.	Hold the button Power → "Reboot in safe mode."	Low: data is not deleted, functionality is limited.

Factory Mode most often used by service centers or experienced users. For example, on devices Samsung it may be called Download Mode (although this is not exactly the same thing), and on Xiaomi — EDL Mode (Emergency Download Mode). The main difference from Recovery is the absence of a graphical menu and the need to enter commands manually or through special software.

How to enter Factory Mode on different devices

The login method Factory Mode depends on the manufacturer and model of the device. Below are the current combinations for popular brands. If your model is not listed, try the universal method via ADB (described in the next section).

Samsung

On most devices Samsung (series Galaxy S, Note, A) entry is made through the combination:

1. Turn off the device.
2. Press and hold Volume down + Power + Home (on models without a button Home — only Volume down + Power).
3. When the logo appears Samsung, release the button Power, but continue to hold Volume downuntil the menu appears.

On newer models (for example, Galaxy S22 or S23) you may need to connect to the PC via Samsung Smart Switch for authorization.

Xiaomi, Redmi, POCO

For devices Xiaomi (including Redmi and POCO):

1. Turn off your smartphone.
2. Hold Volume up + Power until the logo appears Mi.
3. Release the buttons and immediately press Volume up + Volume down (on some models - only Volume up).

If the device is locked by an account Mi Account, reset via Factory Mode may not work - you will need official software Mi Flash Tool.

Huawei and Honor

On devices Huawei i Honor:

1. Turn off the device.
2. Press Volume up + Power and hold for 10-15 seconds.
3. In the menu, select Factory Reset (control is carried out with the volume buttons, confirmation with the button Power).

On new models (for example, Huawei P50 or Mate 50) you may need to enter an unlock code, which is issued only at the service center.

Other manufacturers (Google Pixel, OnePlus, Realme, Oppo)

For devices Google Pixel, OnePlus, Realme and Oppo universal method:

1. Turn off your smartphone.
2. Hold Volume down + Power for 10-20 seconds.
3. If the menu Fastbootappears, select Recovery Modethen go to Factory Mode (if available).

On some models OnePlus to enter Factory Mode requires a connection to a PC and the command fastboot oem device-info.

⚠️ Attention: On devices with Android 13+ and protection FRP (Factory Reset Protection), resetting via Factory Mode can lead to blocking the device with the requirement to enter the Google account data that was linked before reset. If you do not remember the password, it will be impossible to restore access without contacting the service center.

Make a backup copy of your data (photos, contacts, messages)

Charge the device to at least 50%

Make sure you know Google account login/password (for FRP)

Prepare a USB cable and PC (in case of errors)-->

Reset to factory settings via Factory Mode: step-by-step guide

After successfully logging in Factory Mode you will have to perform a reset. The interface of this mode is minimalistic and may vary depending on the manufacturer. Below is a universal instruction:

1. Menu navigation: Use the buttons Volume up/down to move through the items and Power to confirm the selection.
2. Selecting a reset option: Find item Factory Reset, Wipe Data or Clear eMMC. On some devices it may be called Erase All.
3. Confirmation: The system will ask for confirmation - select Yes or Confirm. The process will take from 30 seconds to several minutes.
4. Reboot: Once completed, select Reboot System or Power Offif additional configuration is required.

On devices Samsung the process may look different:

1. In the menu Download Mode (if it appeared instead of Factory Mode) click Volume up to continue.
2. Connect the device to the PC and use Odin to flash the stock firmware (if resetting through the menu is not available).

If after resetting the device does not turn on or is stuck on the logo, try:

• 🔌 Connect to charging for 30–60 minutes (the battery may have run out in the process).
• 📱 Log in again Factory Mode and select Wipe Cache Partition.
• 💻 Flash the stock firmware via Fastboot or Odin (for Samsung).

What to do if the reset is stuck?

If the reset process is stuck at the "Erasing..." or "Formatting..." stage, do not forcefully interrupt it for 10-15 minutes. If after this time the changes no:

1. Remove the battery (if it is removable) or hold the button Power 20+ seconds to force shutdown.

2. Log in again Factory Mode and try resetting again. times.

3. If the problem persists, flash the device via PC using official software (for example Mi Flash Tool for Xiaomi or Smart Switch for Samsung).

Alternative reset methods if Factory Mode is not available

If logging in Factory Mode fails (for example, a combination keys does not work or the device does not respond), use alternative methods:

1. Reset via Recovery Mode

This is the safest method if the device at least turns on:

1. Turn off the smartphone.
2. Hold Volume up + Power (on some models - Volume up + Volume down + Power).
3. In the menu Recovery select Wipe data/factory reset → Yes.
4. After completion, select Reboot system now.

2. Reset via Android settings (if the device is working)

If the smartphone turns on and responds to touches:

1. Go to Settings → System → Reset settings (the path may differ depending on the Android version).
2. Select Delete all data (reset to factory settings).
3. Confirm the action and wait until the process completes.

3. Reset via ADB (for advanced users)

If you have access to USB debugging:

1. Connect the device to the PC and open the command line (cmd).
2. Enter the commands:

   adb shell
   recovery --wipe_data

3. Or for a forced reset:

   adb reboot recovery
   (then manually select reset in the menu Recovery)

4. Reset via Fastboot

If the device is detected in the mode Fastboot:

1. Connect the smartphone to the PC and open the command line.
2. Enter:

   fastboot erase userdata
   fastboot erase cache
   fastboot reboot

⚠️ Attention: Commands fastboot erase and adb shell can lead to irreversible data loss if entered incorrectly. Do not use them if you are not sure of the actions. For devices with an unlocked bootloader, the risk is especially high!

Frequent errors and how to avoid them

Incorrect actions Factory Mode can lead to serious problems. Let's look at common errors and how to prevent them:

• 🔋 Dead battery: If the device turns off during a reset, this may lead to damage to system files. Always charge your smartphone to at least 50% before the procedure.
• 🔑 Unknown FRP account: After resetting, the device may require data from the Google account that was previously linked. If you do not remember the password, recover it in advance via accounts.google.com.
• 📱 Wrong key combination: On some devices (for example, Sony Xperia), to log in Factory Mode requires a connection to a PC via Sony Emma. Check the instructions for your model.
• 🛠️ Damaged firmware: If the device does not turn on after resetting, the system may be damaged. In this case, you will need firmware via Fastboot or Odin.

Another common problem is loss of IMEI after resetting via Factory Mode. This is true for devices with non-original firmware or an unlocked bootloader. To avoid this:

• Before resetting, write down your IMEI (dial *#06# in the dialer).
• Do not use unofficial or modified firmware recovery (for example, TWRP) to reset.
• After resetting, check the IMEI again. If it is reset to 0 or Null, restore it through the engineering menu or contact the service center.

Data recovery after a reset

If you did not make a backup before resetting, the chances of data recovery are minimal, but they exist. Let's consider the possible options:

1. Restoring via Google Account

If synchronization with Google Account was enabled on the device:

• Contacts, calendar events and some settings will be restored automatically after logging into your account.
• Photos and videos downloaded in Google Photos, you can download it back.
• Messages and notes are restored if synchronization via Google Drive.

2 was enabled. Recovery using software

If synchronization has not been configured, try specialized apps:

• 🖥️ Dr.Fone (Wondershare): Supports recovery of deleted data from internal memory (root access required).
• 🖥️ EaseUS MobiSaver: Scans the device memory for the presence of leftover files.
• 🖥️ Recuva (for SD cards): If the data was stored on a removable device memory card.

Important: the less you use the device after the reset, the higher the chances of recovery. New data may overwrite old files.

3. Contacting the service center

If critical data was stored on the device (for example, work correspondence or unique photos), some service centers offer services for retrieving information from internal memory. The cost depends on the model and the degree of data corruption. Please note that:

• Recovery is not always possible (especially if the function was enabled File-Based Encryption in new versions of Android).
• The process may take several days.
• Service centers do not guarantee 100% recovery.

⚠️ Attention: If the device has been encrypted (since Android 6.0 encryption is enabled by default), data recovery without a password is almost impossible. Do not trust apps that promise to “break encryption” - this is a scam.

FAQ: Frequently Asked Questions

Is it possible to reset a device through Factory Mode if it is locked with a pattern?

Yes, Factory Mode allows you to reset bypassing the screen lock. However, after the reset, you may be required to enter your Google account information (FRP) if it was associated with the device. On some models Samsung and Xiaomi authorization through the manufacturer's account may also be required.

What is the difference between Factory Mode and Hard Reset?

Hard Reset (hard reset) is the general name for a forced reset, which can be performed through Recovery Mode, Factory Mode or Android settings. Factory Mode is one way to perform Hard Reset, but with access to additional diagnostic functions. For example, in Factory Mode you can test hardware components, which is not possible in the standard Recovery.

Why does the device not turn on after a reset via Factory Mode?

This can happen for several reasons:

1. Damage to the firmware (for example, if the reset was interrupted).
2. Conflict with custom recovery (for example, TWRP).
3. Hardware malfunction (for example, damaged memory eMMC).

Solution: try flashing the stock firmware via Fastboot or Odin (for Samsung). If this does not help, contact a service technician center.

Is it possible to cancel a reset through Factory Mode?

No, it is impossible to cancel a reset after it has been started. The process deletes all data from the partition /data, and real-time recovery is not supported. data-i="339">Will resetting via Factory Mode delete files from the SD card?

Will a Factory Mode reset delete files from the SD card?

No, resetting via Factory Mode only affects the internal memory of the device. Files on the removable SD card remain untouched. data-i="343">) offer the option of formatting the memory card in the reset menu - be careful when selecting items! Samsung) offer the option to format the memory card in the reset menu - be careful when selecting items!