Bagaimana untuk menyemak Android pemuat but kunci atau membuka kunci status dari Fastboot

Kebanyakan telefon pintar Android membolehkan anda untuk menyemak status pemuat but melalui arahan Fastboot. Arahan mungkin berbeza-beza di seluruh OEM berbeza. jadi, manakala tidak ada senarai lengkap, arahan yang dikongsi dalam jawatan ini perlu bekerja untuk kebanyakan pengguna. It is tested to work on Nokia, OnePlus and Xiaomi smartphones.

Follow the steps below to check whether your Android phone’s bootloader is locked or unlocked.

  1. Ensure that ADB & Fastboot are installed on your PC along with the drivers.
  2. Boot your device into fastboot mode. For most OEMs, you will need to press and hold the power and volume down buttons together from power-off state.
  3. Run the following command in your fastboot terminal or CMD:
    fastboot oem device-info
  4. The result will give you details about your device, along with the bootloader status. True means that the device is unlocked.
    Here’s a sample response:

    PS C:adb> ./fastboot oem device-info
    ...
    (bootloader) Verity mode: true
    (bootloader) Device unlocked: true
    (bootloader) Device critical unlocked: false
    (bootloader) Charger screen enabled: true
    OKAY [ 0.005s]
    finished. total time: 0.006s

In newer phones you will be able to separately see the unlocked dan critical unlocked. The difference between the two is that the critical protects the upper level partitions which are critical for the phone to boot. You generally do not need to mess with the critical partitions.

Cannot access fastboot? The easiest (and non-fastboot) method to check the lock status is from the developer options. The entry “OEM unlocking” will fade out when the bootloader is already unlocked. It will also display Bootloader is already unlocked.

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