How To Unlock Bootloader Without Sim Card May 2026

This guide is written for Android enthusiasts, developers, and users who need to bypass the common requirement of having a carrier-verified SIM inserted during the bootloader unlock process.

• USB Debugging enabled.
• ADB & Fastboot installed on your PC.

A. Fastboot OEM/unlock method (most Nexus/Pixel, many other devices) how to unlock bootloader without sim card

Process (Highly Advanced):

• Installing custom operating systems, such as Android distributions like LineageOS or Resurrection Remix
• Flashing custom kernels to improve performance or battery life
• Installing custom recoveries, such as TWRP, to backup and restore data
• Gaining root access to modify system files and settings

Connect to PC: Use a high-quality USB cable to connect your phone to a computer with ADB and Fastboot tools installed. Enter Fastboot/Download Mode: For most: Run adb reboot bootloader. This guide is written for Android enthusiasts, developers,

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. USB Debugging enabled