How to Install Custom ROM on Android Phones
Author: BIGS MOBILE TECH | Updated: October 2025
🔹 Introduction
Installing a custom ROM can enhance your Android device with new features, improved performance, or the latest Android version. This guide will show you how to safely install a custom ROM without damaging your device.
1️⃣ Preparation
- Backup all your important data (contacts, files, apps).
- Ensure your device battery is at least 60% charged.
- Unlock the bootloader of your device (check manufacturer instructions).
- Install a custom recovery tool like TWRP.
- Download the desired custom ROM compatible with your device model.
2️⃣ Step-by-Step Guide
- Reboot your device into the custom recovery mode (TWRP).
- Take a full Nandroid backup using TWRP.
- Wipe system, data, and cache partitions.
- Select “Install” in TWRP and choose the downloaded custom ROM ZIP file.
- Swipe to confirm flashing and wait for completion.
- Reboot the device and perform initial setup.
💡 Tips & Warnings
- Ensure the ROM is specifically made for your device to prevent bricking.
- Always take a full backup before flashing.
- Follow the custom ROM community guidelines carefully.
📚 Related Guides
- TECNO BF6 Firmware Update & Flashing Guide
- Hard Reset Any Android Phone
- Recover Lost Data on Android
📝 Conclusion
Installing a custom ROM can transform your Android experience. Follow these steps carefully, backup your device, and choose trusted ROMs to ensure safety and stability.
Last updated: October 2025