This step requires a computer and specific software.
For Google Pixel, OnePlus, Motorola, Nokia, and most other brands:
For Xiaomi:
For Samsung: Samsung devices do not use Fastboot. They use a tool called Odin.
In some cases, users may be able to contact the manufacturer or carrier to request a bootloader unlock code. This method may require proof of ownership and may not be available for all devices. how to unlock bootloader without sim card
Step-by-Step Guide to Unlocking the Bootloader without a SIM Card
Here's a general step-by-step guide to unlocking the bootloader without a SIM card:
Risks and Consequences of Unlocking the Bootloader
Unlocking the bootloader can void your warranty and may brick your device if done incorrectly. Some of the risks and consequences include: This step requires a computer and specific software
Conclusion
Unlocking the bootloader without a SIM card is possible, but it requires careful consideration and attention to detail. By following the methods and techniques outlined in this article, users can unlock their bootloader and take their device to the next level. However, it's essential to understand the risks and consequences of unlocking the bootloader and to proceed with caution.
Disclaimer: The following guide is provided for educational and informational purposes only. Unlocking a bootloader may void your device’s warranty, compromise its security features (such as Samsung Knox or Google Pay), and can potentially result in data loss or a "bricked" device if not done correctly. The user assumes all responsibility for any actions taken on their device.
Xiaomi requires you to apply for permission via the "Mi Unlock Tool." Traditionally, this required a SIM card linked to a Xiaomi account with active mobile data. However, Xiaomi quietly updated the policy. For Xiaomi:
New SIM-less Process (HyperOS/MIUI 14+):
Critical Tip: If Mi Unlock says "SIM card not recognized," use a Wi-Fi hotspot from another phone. The tool only needs internet, not cellular. Some users also report success by inserting any deactivated SIM card (an old pay-as-you-go card with zero balance) just to satisfy the initial check, then removing it.
Since you are operating without a SIM card, you must ensure other aspects of your setup are perfect.