How To Unlock Bootloader Without Sim Card -
Here’s a concise, useful post on the topic:
- Turn off the phone.
- Connect the phone to a PC via USB cable.
- Press and hold the specific hardware key combination (usually Volume Down + Power) to boot into Fastboot/Bootloader mode.
Verdict: No SIM required. Wi-Fi alone satisfies the "internet check." how to unlock bootloader without sim card
Enable Developer Options: Go to Settings > About Phone > Tap "Build Number" or "MIUI Version" seven times. Here’s a concise, useful post on the topic:
- Windows PC + MTK Client tool.
- USB cable (type A-to-C often works better).
- Google Pixel / Nexus: fastboot flashing unlock works; no SIM required.
- OnePlus: OEM unlock in Developer Options + fastboot flashing unlock; account sign-in and Wi‑Fi usually sufficient.
- Xiaomi: requires Mi account and wait time on their portal; Wi‑Fi works.
- Samsung: most newer Samsung devices use Knox and do not allow full unlock; carrier variants often locked and may need carrier/SIM.
- Huawei: newer models do not provide unlock codes via vendor; unlocking is restricted.
Requirement: Connect to Wi-Fi so the phone can ping Google’s servers to enable the OEM Unlocking toggle. Turn off the phone
- Toggle it on. If prompted, connect to Wi-Fi to verify with the manufacturer's servers.
- Connect to Wi-Fi: Most unlock processes will proceed perfectly fine if the device is connected to a Wi-Fi network.
- If the device refuses Wi-Fi: In rare cases where a device setup wizard demands a SIM card before allowing you to connect to Wi-Fi (common on older Android versions or specific carrier-branded phones), you may need to bypass the setup wizard.
