restricted bootloader unlocking on its newer smartphones to maintain system security and stability. Modern Models: Devices released in the last few years often have encrypted bootloaders with no official unlock codes provided by Vivo. Older Models: Some legacy Vivo phones (e.g., Vivo V7, V7+) can be unlocked using specific ADB and Fastboot commands. Third-Party Tools: Some users resort to specialized hardware or software like Pandora Box for MediaTek-based Vivo phones, though these are advanced tools typically used by professional repair shops. Pre-Unlocking Checklist If you have a compatible device, perform these steps first: Backup All Data: Unlocking the bootloader
Here’s a complete, step-by-step guide on how to unlock the bootloader of a Vivo smartphone .
⚠️ Important Warnings (Read First)
Data loss – Unlocking the bootloader will wipe all your data (factory reset). Warranty void – This usually voids the manufacturer warranty. Security risk – Unlocked bootloader makes the device more vulnerable. No official support – Vivo does not provide an official bootloader unlock tool for most models (unlike Xiaomi or Google). Hard brick risk – If done incorrectly, the phone may become unusable. unlock bootloader vivo
🔴 Vivo actively discourages bootloader unlocking . Most modern Vivo phones (with Funtouch OS or OriginOS) have locked fastboot commands (e.g., fastboot oem unlock is disabled).
✅ When is it possible? Only in limited cases:
Older models (Vivo Xplay, some Y series from ~2016–2018) Developer editions (rare) Through unofficial exploits/paid tools (e.g., using MTKClient for MediaTek chips, or QLoader for Qualcomm) Demo/engineering units restricted bootloader unlocking on its newer smartphones to
🔧 Method 1 – Official (very rare) For the few Vivo devices that support it:
Enable Developer Options (tap Build Number 7 times). Enable OEM Unlocking and USB Debugging . Reboot to bootloader: adb reboot bootloader
Try: fastboot oem unlock
or fastboot flashing unlock
💡 On most Vivo phones, this will fail with FAILED (remote: 'unknown command') .