Here is the full content for a guide on TWRP for the Vivo Y71 (model 1718). This includes the prerequisites, file downloads, step-by-step flashing instructions, and troubleshooting.
Final Checklist for Success:
Plug in your phone and open a command window in your ADB folder. Flash Recovery: Run the command: fastboot flash recovery twrp_filename.img Reboot to TWRP: Immediately reboot into recovery (usually Volume Up + Power
Always verify file hashes (MD5/SHA1) if provided. Many files are malware-infested.
Step 2: Boot into Fastboot Mode
Connect your phone to the PC. Open a command prompt in your ADB folder and type:
adb reboot bootloader
Your phone should restart into a screen showing a bunny or the Fastboot logo.
Installing TWRP on the Vivo Y71 is a technical process that carries significant risk, primarily due to the Anti-Rollback protection and locked bootloader policies of the manufacturer. While the benefits include extended device functionality and debloating, the potential for hard-bricking the device is non-trivial. Users are advised to proceed only if they possess the technical aptitude to recover the device using EDL tools (QFIL) and have verified the exact firmware version compatibility of the TWRP image.
Vivo devices often have locked bootloaders that require a specific procedure to open. Enable Developer Options Settings > About phone and tap on Software version (or Build Number) seven times. Toggle Settings Settings > System > Developer options and enable OEM unlocking USB debugging Unlock via PC
Your phone will reboot into TWRP. Check touchscreen. Does it work? If yes – proceed. If no – find a different full build.