Скачать или смотреть Oppo Hard Reset & Secret Codes (2025) | Factory Reset + Hidden Engineering Menu Guide

Learn how to safely hard reset your Oppo phone and unlock its hidden engineering menus!
In this 2025 tutorial we show step-by-step how to perform a factory reset (even if you’re locked out) and reveal the most useful Oppo secret codes for testing and diagnostics.
Perfect for technicians, resellers, or any Oppo user who wants to fix software issues or explore their phone’s hidden features.

✅ Works on most Oppo models and ColorOS versions
✅ Covers Settings + Recovery Mode hard reset methods
✅ Lists safe secret codes: IMEI, firmware, hardware test menu

Watch now to troubleshoot your Oppo like a pro!

🔧 Need to fix your Oppo fast?
In this video I show step-by-step how to hard reset any Oppo smartphone and access the secret engineering menus safely.
✅ Works on most Oppo models & ColorOS versions
✅ Backup your data first!

💬 Which secret code surprised you most? Drop your question below — I reply to every comment!

👍 If this helped, like & share to help other Oppo users.

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00:00 Intro
00:30 What a hard reset does
01:00 Method 1 – Factory Reset from Settings
01:45 Method 2 – Hard Reset via Recovery Mode
02:30 Secret Codes Overview
02:50 IMEI Code *#06#
03:10 Testing Menu #*#4636#*#
03:30 Firmware & Hardware Codes *#1234# / *#888#
03:50 Full Hardware Test Menu *#808#
04:30 Tips & Warnings
05:00 Outro & Subscribe