Servicing Oppo and Vivo devices usually requires complex server authentication. Version 2025.01.20.0 lowers this barrier.
💡 : If you're working on a Samsung with a very recent security patch (late 2025/2026), you might need to use Test Point mode if the standard USB bypass fails. unlocktool202501200 released update
Fix: Check your Windows Device Manager. If you see a yellow exclamation triangle next to your device, your Qualcomm driver is corrupt. Reinstall the driver and use an original USB 3.0 or Type-C cable. Servicing Oppo and Vivo devices usually requires complex