How To Unlock Bootloader Without Sim Card Official

Unlocking an Android bootloader without a SIM card depends entirely on the device manufacturer. While most brands—including —do not require a SIM card,

• Pixel, OnePlus, Motorola – No SIM needed. Just Wi-Fi.
• Xiaomi, Realme, Oppo – A SIM card makes it easier, but you can bypass with Wi-Fi + account tricks or a deactivated card.
• Samsung (Exynos) – Use the date/time glitch. For Snapdragon, you must use EDL/test points (physical hack).
• MediaTek phones – No SIM, ever. BROM mode is the ultimate backdoor.

Samsung devices (international versions) can usually be unlocked by entering Download Mode. Enable OEM Unlocking in Developer Options. how to unlock bootloader without sim card

Samsung devices do not require a SIM, but the OEM Unlock toggle may be hidden initially on newer models.  Connect the device to Wi-Fi. Unlocking an Android bootloader without a SIM card