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For devices with Unisoc (formerly Spreadtrum) chipsets, there is a dedicated Python tool called unisoc‑unlock that can lock or unlock the bootloader using its Identifier Token. No SIM card is required for this process.
If you own a Google Pixel, Motorola, or OnePlus device, you are in luck. These manufacturers to unlock the bootloader. The restriction on these devices is purely software-based and relies on an active internet connection. Step-by-Step Instructions: Connect your device to a stable Wi-Fi network.
Connect your phone to the PC while holding down both keys simultaneously. This forces the device into BROM mode, allowing the tool to rewrite the bootloader partition instantly. Method 3: Samsung Devices (No SIM Required)
For some Motorola devices specifically, users have reported success with this variation: how to unlock bootloader without sim card
For devices with a clean, close-to-stock Android interface—such as Google Pixel, Motorola, OnePlus, and Nothing Phone—the bootloader unlock process is handled natively through standard Fastboot commands. These brands require a SIM card at any point in the process. 1. Boot Into Fastboot Mode Connect your phone to your computer using a USB cable. Open the platform-tools folder on your PC.
Many phones (e.g., Xiaomi, Realme, recent Samsung models) require SIM insertion and network connection before enabling OEM Unlocking .
Enter and follow the on-screen prompts to long-press Volume Up for unlocking. Method 3: Xiaomi/Redmi/Poco (Workarounds) These manufacturers to unlock the bootloader
It is common to confuse these two terms, but they serve entirely different functions:
Use the keys to highlight the option that reads "Unlock the bootloader" or "Yes" . Press the Power button to confirm your selection.
Locate the and tap it rapidly seven (7) times. A toast notification will appear saying, "You are now a developer!" Connect your phone to the PC while holding
: Removes carrier restrictions so the phone can work with any network provider.
Toggle on and OEM Unlocking . (Note: If OEM Unlocking is grayed out, ensure your Wi-Fi is working and restart the device). Connect your phone to the PC via USB.
Unlocking a device bootloader lets you install custom recoveries, ROMs, or root access. The exact steps vary by manufacturer and model, but the general process below covers methods that work when you don’t have a SIM card.
| Brand | SIM Requirement | Workaround | |-------|----------------|-------------| | Google Pixel | No SIM needed | Works directly via fastboot flashing unlock | | OnePlus (old) | No SIM needed | Use fastboot oem unlock | | Xiaomi | Yes (Mi Account + SIM) | Need SIM + account binding for official method; some unofficial tools exist | | Samsung | Yes (carrier unlock first) | SIM required for OEM unlock toggle; use paid remote service | | Motorola | No SIM needed | fastboot oem unlock after getting unlock code from website |
The tool will exploit the MediaTek Boot ROM (BROM) hardware vulnerability and instantly unlock the bootloader, completely skipping the SIM card and account binding checks. Approach B: Borrowing a Temporary SIM