Prior to installing any custom firmware or ROM

making a full system backup is absolutely essential

A backup image is a complete copy of your device’s current system, data, and settings

Should the update fail, your device becomes unresponsive, or you encounter critical glitches

you can restore your device to its previous state using this backup

This simple step protects your hours, your files, and your wallet

First, make sure your battery level is at 100% or at minimum 70%

If the battery dies during backup, your data could be permanently damaged

Go to Developer Options and toggle on USB Debugging and OEM Unlocking

These settings are typically found under Settings >About phone, where you need to tap the build number several times to unlock developer mode

Once developer options are enabled, connect your device to your computer using a reliable USB cable

Make sure your computer has the proper drivers installed for your device

Then boot your device into recovery mode

Check your device’s manual for exact instructions: some use Power + Vol Up, others Power + Vol Down, or even a dedicated recovery button

Your custom recovery will display a clean menu with core functions including Backup, Advanced, and Flash

Choose the Backup option

You’ll be prompted to select which system areas to include in the backup

At minimum, select system, data, boot, and recovery

If your device uses a separate vendor partition, اکتیو دانگل include that as well

If dtbo or persist shows up, select them for safety

The backup process may take several minutes depending on your device’s storage size and speed

Do not interrupt it

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Always make a secondary copy on your desktop, cloud, or external storage

This way, even if your device becomes unbootable, you still have the backup accessible from another device

Proceed with flashing only after confirming your backup is complete and copied

Confirm the file’s MD5, SHA-1, or SHA-256 hash matches the official value

Never flash a file unless its hash and version are verified

Hold onto your backup for at least 14–30 days, even if the flash seems perfect

You may miss your previous UI, lose app functionality, or encounter buggy third-party apps

Your memories, chats, media, and preferences remain intact when you roll back

Creating a backup image is a simple step that can prevent hours of frustration

All you need is your phone, USB cable, and a computer—no extra software is essential

Never skip this step, no matter how confident you feel about the flash you’re about to perform

Your photos, messages, and apps are irreplaceable—backup is your only lifeline

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Pub: 16 Oct 2025 18:15 UTC

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