Resetting Samsung Galaxy J1 to factory settings may be needed in a variety of situations: from banal system slowdowns to preparing the device for sale. However, not all users know that an incorrect reset can lead to the loss of important data or even bricking the smartphone. This article will help you understand all the nuances of the procedure - from preparation to recovery after a reset.

The model range Galaxy J1 includes several modifications (J100, J105, J106, J120, etc.), but the reset principles for them are almost identical. We will look at three main methods: through the phone settings, using Recovery Mode and through service codes. We will pay special attention to how bypass Google account blocking after resetting to Android 5.1/6.0 this is a common problem for owners of old Samsung devices.

Preparing for the reset: what you need to do in advance

Before you start reset, make sure you complete all critical steps. Neglecting preparation can cost you photos, contacts, or even the functionality of your device.

First, save all your important data. On Galaxy J1 with its modest 4–8 GB of memory, this is especially true. Use:

  • 📁 Google Photos to backup images and videos (automatically download when connected to Wi-Fi)
  • 📋 Google Contacts to sync your phone book (check in Settings → Accounts → Google)
  • 📱 Smart Switch from Samsung for a complete backup on a PC (you can download from official website)
  • 💾 Manual copying to microSD (if installed) files from folders DCIM, Downloads i WhatsApp/Media

Secondly, charge the battery to at least 50%. Interrupting the reset process due to discharge can lead to software failures on Galaxy J1 with its small battery (1850–2050 mAh). especially critical.

⚠️ Attention: If you reset your phone before selling, do not forget log out of all accounts (Google, Samsung, social networks) and remove SIM card/microSDOtherwise, the new owner may gain access to yours. data.
📊 Why are you resetting your smartphone?
Eliminating lags and brakes
Preparing for sale/gift
Forgot the pattern key
Removing viruses
Other

Method 1: Reset through the settings menu (soft reset)

This is the simplest and safest method, which is suitable if the phone turns on and you remember the lock password. for Galaxy J1 on Android 5.1 Lollipop and 6.0 Marshmallow.

Sequence of actions:

  1. Open the application Settings (gear on the main screen or in the application menu).
  2. Scroll down and select Backup and reset (on some firmware - General settings → Reset).
  3. Tap by Reset data (or Reset settings).
  4. Select Reset device → Delete everything.
  5. When When prompted, enter PIN code, password or pattern.
  6. Confirm the action by pressing Erase everything.

The process will take 3-7 minutes. Once completed, the phone will automatically reboot and offer to go through the initial setup as after. purchases.

☑️ Checklist before resetting via settings

Done: 0 / 5
⚠️ Attention: If after resetting the phone requires you to enter the details of the Google account that was linked earlier, and you don’t remember them, this is FRP blocking (Factory Reset Protection). We will consider solutions to bypass it in a separate section.

Method 2: Hard Reset via Recovery Mode

This method is useful if:

  • 🔒 You forgot the pattern or password
  • 🐢 The phone is very slow and does not respond to touches
  • 🔄 You need to reset the settings when the device does not boot

For Samsung Galaxy J1 login c Recovery Mode is carried out through hardware buttons. Important: on some modifications (for example, J106B) the combination may differ.

Instructions:

  1. Turn off the phone (press and hold the power button for 5-10 seconds).
  2. Press and hold at the same time:
    • Volume Up button
    • Home button
    • Power button
  • When appears on the screen logo Samsung, release Power, but continue to hold the other buttons.
  • After 5-10 seconds you will see the menu Android System Recovery (blue screen with yellow text).
  • Use the volume buttons (Volume Up/Down) select item wipe data/factory reset.
  • Press Power to confirm.
  • In the next menu, select Yes — delete all user data and confirm again with the power button.
  • After completion select reset reboot system now.

    • If the Recovery menu does not appear, try an alternative combination: Volume Up + Power (without the Home button). On some firmware you may need to first hold down Volume Up + Home, and then press while holding them Power.

    What to do if Recovery Mode does not open?

    If the button combinations do not work, the firmware or buttons may be damaged. Alternative options:

    1. Connect the phone to charge for 10-15 minutes - sometimes a low battery blocks the entry to Recovery.

    2. Try using Odion or Smart Switch for a forced reset via PC (USB debugging is required).

    3. On some custom firmware, the entry to Recovery may be disabled - in this case, only flashing via Download Mode (One) will help. data-i="140">Problem during reset

    Reset problem Possible cause Solution
    The phone does not respond to the button combination Stuck buttons or damaged cable Try an alternative combination or disassemble the device to clean the buttons
    The error "E: failed to mount /data" appears Damage to the data partition Run wipe cache partition before resetting or reflash the device
    After resetting, the phone asks for a password that was not there FRP locking is activated Bypass FRP through service codes or special utilities (see section below)
    Reset is interrupted by 30–50% Faulty memory or battery Charge the phone to 100% or replace the battery

    Method 3: Reset using service codes

    A little-known but effective method - use service USSD codes. It is suitable for Galaxy J1 on standard firmware and does not require access to the menu or Recovery. The main condition: the phone must turn on and accept input from the keyboard.

    Basic reset codes:

    • 🔢 *2767*3855# — full reset to factory settings (removes everything, including internal memory)
    • 🔢 ##7780## — "soft" reset (saves media files, but deletes settings and applications)
    • 🔢 #0# — display test (helps check the screen's functionality before resetting)

    How use:

    1. Open the standard application Phone.
    2. Enter one of the codes (for example, *2767*3855#).
    3. Press the call button.
    4. Confirm the action if prompted.

    Warning: code *2767*3855# irreversibly deletes all data, including files on the internal memory (folders DCIM, Downloads etc.). Its action is similar to wipe data in Recovery, but without the ability to cancel.

    💡

    If nothing happens after entering the code, check whether access to the engineering menu is disabled in your firmware. On some operators (for example, Beeline or Megafon), service codes may be blocked.

    How to bypass Google blocking (FRP) after a reset

    One ​​of the most common problems after a reset Samsung Galaxy J1 is a request for Google account data that was linked to the device. This Factory Reset Protection (FRP)introduced in Android 5.1 to protect against theft. If you do not remember your login/password, you can bypass the lock in several ways.

    Method 1: By setting up a new account (works on Android 5.1–6.0):

    1. On the FRP lock screen, tap on the email input field.
    2. Enter any existing email (for example, test@gmail.com) and click "Next".
    3. When the error message appears, hold the error text to copy it.
    4. In the menu that appears, select Search in Google (or Assist).
    5. In the search bar, enter Settings and open the application Settings.
    6. Go to Restore and reset → Reset settings and reset again.

    Method 2: Using Pangu FRP Bypass (for PC):

    • 🖥️ Download the utility Pangu FRP Bypass to your computer.
    • 📱 Connect Galaxy J1 to the PC via USB (enable USB debugging if the phone responds).
    • 🔧 Run the utility and follow the instructions on the screen.

    Method 3: Through the service center —if all else fails, contact the official service Samsung with documents for your phone. They will be able to unlock the device using IMEI.

    ⚠️ Attention: Using third-party utilities to bypass FRP can lead to damage to the firmware or leak data. Download software only from trusted sources (for example, XDA Developers).

    What to do after the reset: initial setup

    After a successful reset Samsung Galaxy J1 you will be prompted to go through the initial setup procedure. Here's what you should pay attention to:

    1. Selecting the language and region:

    • 🌍 Specify Russian (Russia) or another desired language.
    • 📍 Choose the real region - the available Google services depend on this.

    2. Wi-Fi:

    • 📶 Connect to a reliable network - this will be needed to download updates and restore data.
    • 🔒 Avoid public networks (for example, in a cafe) - they may not be safe for a new device.

    3. Data recovery:

    • ☁️ If you made a backup via Google Account, select Restore and enter your account information.
    • 📱 To backup via Smart Switch connect your phone to the PC and follow the app instructions.

    4. Security setup:

    • 🔐 Install PIN code or pattern key (do not skip this step!).
    • 🛡️ Enable Find My Mobile in Samsung settings - this will help you find your phone if lost.

    After completing the setup, check:

    • 📞 Calls and SMS functionality (sometimes after a reset, the network settings are lost).
    • 📶 Quality of the Wi-Fi and mobile data signal.
    • 🔋 Battery life (the first 2-3 charge/discharge cycles may be unstable).
    💡

    If after the reset the phone began to work slower than before, check the animation settings in Developer options (turned on by tapping on the build number in Settings → About phone). Disabling animations will speed up the interface.

    Frequent errors and how to avoid them

    Even experienced users sometimes make mistakes when resetting Samsung Galaxy J1Here are the most common ones and ways to prevent them:

    Error Consequences How to avoid
    Resetting with a low battery (<20%) Interruption of the process, damage to the firmware Charge the phone to at least 50% before resetting
    Using the wrong combination to Recovery Enter Download Mode instead of Recovery Check the combination for your model (J100, J105, etc.)
    Reset without logging out of your Samsung account Lock the device via Find My Mobile Disable Find My Mobile in Settings → Biometrics and security
    Deleting files from microSD along with internal memory Loss of photos and documents Remove the memory card before reset

    Another typical problem is loss. IMEI after a reset. This happens due to damage to the files in the partition. If after reboot the phone does not connect to the network or shows "IMEI: null", try: /efs. If after rebooting the phone does not connect to the network or shows “IMEI: null”, try:

    1. Enter the code in the phone application *#06# —if IMEI is displayed, the problem is in the network settings.
    2. Reflash the radio module (modem.bin) via Odin.
    3. Contact the service center for recovery IMEI on the box from the phone.
    Is it possible to reset the Galaxy J1 without losing data?

    No, any reset to factory settings deletes all user data from internal memory The only way to save information is to make a backup copy in advance (via Google). Account, Smart Switch or manually on microSD).

    After resetting, the phone asks for the old password. What should I do?

    This FRP blockingIf you do not remember the Google account data that was linked to the phone, try:

    1. Restore access to your account via Google recovery page.
    2. Bypass FRP through the engineering menu (instructions in the section above).
    3. Contact the Samsung service center with documents for phone.

    Using third-party apps to bypass FRP may compromise the security of the device.

    How long does the reset take?

    The time depends on the chosen method:

    • After settings menu: 3-7 minutes.
    • Via Recovery Mode: 5–10 minutes (longer due to checking partitions).
    • Service code: 1–2 minutes (but deletes everything without the possibility of cancellation).

    If the process has taken more than 15 minutes, do not interrupt it - wait until it is completed or the battery is discharged.

    Is it possible to cancel the reset after it has started?

    No, after confirming the reset, the process irreversibleThe only way to interrupt it is to remove the battery. (on Galaxy J1 with a removable battery) or wait until it is discharged. However, this may lead to:

    • Damage to system files.
    • Cyclic reboot of the phone.
    • Loss of IMEI.

    If the reset is interrupted, try repeating the procedure or flashing the phone via Odin.

    After the reset, the phone does not turn on. What should I do?

    Possible causes and solutions:

    • Battery is low: Connect the charger for 10-15 minutes, then try to turn it on.
    • Damaged firmware: Log in Download Mode (hold Volume Down + Home + Power) and reflash the phone via Odin.
    • Hardware malfunction: If the phone does not respond to charging and buttons, contact the service.

    For firmware via Odin you will need:

    • Firmware file for your model (download from samfw.com or sammobile.com).
    • app Odin3 (version 3.13.1 or later).
    • Original USB cable.