Owners of the popular budget smartphone Xiaomi Redmi 3S often face a situation where access to the device is limited. This can happen after buying a used gadget with a forgotten password, after a failed reset settings or when activating someone else's account. The security system MIUI and Android are designed to protect user data from prying eyes, which sometimes creates problems for the owners themselves.
There are several types of locks, each requiring a customized approach. Some methods involve deleting data completely, others allow you to save information, but require special tools. In this article, we will discuss in detail all legal and technical ways to restore access to your device, from simple actions on the menu to flashing through the computer.
Before you start taking action, you need to clearly define the type of lock, which can be a pattern lock, a digital key. PIN-code, blocking of Google account FRP It's a tool that depends on whether you're going to reset it, or you're going to use Recovery, or you're going to use a tool like Mi Flash Tool, and if you don't identify it correctly, you're going to lose a lot of time.
Definition of the type of lock on Redmi 3S
The first step is always to diagnose, and if the phone turns on and shows the welcome screen but requires a password from the account, we're dealing with FRP, which is a mechanism to prevent the stolen device from being used after a reset, and if the phone boots to the desktop but requests a pattern lock or a fingerprint, the situation is solved more easily.
It is more difficult if the device is stuck on the Redmi or Mi logo and reboots cyclically, which may indicate damage to system files or conflict after a failed update, in which case simply removing the password will not be enough, you will need to intervene in the software part through the engineering menu.
It is also important to check whether USB debugging is enabled, and if this feature has been activated before, the range of available methods is expanded, but on a locked screen, it is impossible to activate it without special hacks or exploiting vulnerabilities in a particular version of Android.
Resetting with Recovery Mode (Hard Reset)
The most common and effective method of removing the lock is to completely reset the data through the recovery menu, PIN-However, remember that Hard Reset completely cleans the internal memory of the phone, removing photos, contacts and applications.
To enter Recovery mode on Xiaomi Redmi 3S, you need to perform a certain sequence of actions with the buttons. The device must be turned off. If it is frozen, press the power button for 10-15 seconds until it fully vibrates and turns off.
☑️ Preparation for Hard Reset
The way you go in is to press the Volume Up button (Vol+) and the Power button at the same time. Hold them until the Mi logo appears, then release the Power button, while holding the Vol+. In a few seconds, you'll see the Main Menu menu with English inscriptions.
⚠️ Warning: After performing a Recovery reset on modern Android versions (5.1 and higher), you may need to enter a password from a Google account that was synced to the phone before locking.
The menu is navigated by volume buttons (up-down), and the choice is confirmed by the power button. You need to find the Wipe Data item, then select Wipe All Data and confirm the action by selecting Confirm. The process takes a few seconds, after which the phone will prompt you to return to the main menu (Back to Menu) and select Reboot.
Delete Mi Account and bypass Google FRP
If you reset your phone, you need to enter a password from your Mi or Google account, you can't do it with standard methods. FRP (Factory Reset Protection) locks the device to the hardware through your account. For Redmi 3S, which runs on a Snapdragon 430 processor, there are specific methods of bypassing.
In the case of a Google account, the activation method is often used through a browser or special launcher applications, the essence of the method is to access the system settings through the Accessibility settings or Google Assistant and disable account verification.
Technical details of FRP bypass
The situation is more complicated to unlock Mi Account. If the phone was tied to an account and you don't remember the password, only the official help is to restore access through i.mi.com. If the device is bought from hand and the previous owner did not untie it, his intervention will be required. Technically, removing the link is possible only by flashing with a change in region or using paid authorization services.
There is also a method of temporarily disabling the check through Fastboot mode and special scripts, but they require an unlocked bootloader. If the bootloader is locked, this path is closed.
| Type of lockdown | Essential tools | Data security | Difficulty |
|---|---|---|---|
| pattern lock / PIN | Phone buttons (Recovery) | Data deleted | Low. |
| Google FRP | PC, cable, APK-file | Data deleted | Medium |
| Mi Account | Access to an account or paid software | Depends on the method. | Tall. |
| Bootloader (Bootloader) | Official unlock key | Data deleted when unlocked | Tall. |
Fastboot Mode and Mi Flash Tool
If a software failure is critical or standard Recovery doesn't work, Fastboot mode comes to the rescue. It's a low-level mode that allows you to interact with the memory partitions of the phone directly from the computer. For Redmi 3S, it's often the only way to "revive" the brick or install the system completely.
To enter this mode, turn off your phone and press the Volume Down button (Vol-) and Power button at the same time. The screen will show an image of a hare repairing an android and the inscription will appear on the screen. FASTBOOT. Connect the device to the PC through high-quality USB-cable.
You'll need Mi Flash Tool and the.tgz firmware itself. It's important to download the firmware for your model (codename prada for global or land for Chinese). Incorrect firmware can cause communication modules to fail.
⚠️ Note: When you are running through Fastboot, select Clean All mode to ensure that all locks and old data are deleted. Save user data mode can save the blocking password.
Once you download the firmware and plug in the phone, press the Flash button. It takes 200 to 600 seconds. Don't interrupt the cable at this time. Once it's done, the phone automatically reboots to the clean system.
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Use it. USB-port located directly on the computer motherboard (back of the system unit) to avoid power and data transmission problems during firmware.
Unlocking the bootloader (Unlock Bootloader)
Many deep modification and severe lock removal methods require an unlocked bootloader. Bootloader is a program that runs to the operating system and checks the integrity of the software. Xiaomi blocks it by default for security.
The official procedure requires you to apply through the Mi Unlock app on your PC. You need to link your Mi Account to your phone settings (Settings → About Phone → MIUI version, press 7 times on the build number, then select bootloader status in advanced settings).
After the waiting time has expired, run Mi Unlock in Fastboot mode and press the unlock button. This action will automatically execute Wipe Data. If you try to unlock a phone that is already locked by an account, this method will not work, since you will not be able to log into the settings to associate the account.
There are paid services that can unlock the bootloader remotely without waiting, using developer access, and this is true for older models that have already been officially discontinued, or if the account is lost forever.
Frequent problems and their solution
When you unlock, you often encounter errors, like Mi Flash, which can give you a Miss matching image error, which means you're trying to flash global firmware onto a Chinese phone, or vice versa, and the solution is one: download the correct version of the software.
Another common problem is that the phone is not detected by the computer in Fastboot mode. QUSB_BULK Or have a yellow exclamation point. Requires manual installation of Qualcomm or Xiaomi drivers USB Driver.
If after all the manipulations the phone continues to require a password from the old account, it may have been used poor-quality firmware assembly or reset was not complete. In rare cases, repeating the reset procedure 2-3 times in a row helps.
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The success of unlocking 90% depends on the correctness of the chosen firmware and quality. USB-Do not skimp on cables when working with Fastboot.
Prevention of blocking and safety advice
To avoid such situations in the future, it is recommended to keep a record of your accounts, write down the username and password from Mi Account and Google in a safe place, and periodically check the list of trusted devices in the settings of your Google account.
Back up your important data regularly, use Mi Cloud or Google Photos to automatically sync your contacts and photos, so even a full reset won’t be a disaster, because it’s easy to recover.
Do not install applications from unknown sources and avoid questionable firmware builds. Modified versions of MIUI may contain hidden blockers or viruses that activate FRP protection even without your actions.