Restoring GB WhatsApp data can be a bit tricky, especially since GB WhatsApp is a modified version of the official WhatsApp app and isn't officially supported by WhatsApp Inc. However, if you have a backup of your GB WhatsApp data, you can follow these steps to restore it:

### **Step 1: Back Up Your GB WhatsApp Data (If You Haven't Already)**
1. **Open GB WhatsApp** on your device.
2. **Go to Settings** by tapping on the three dots in the top-right corner.
3. Navigate to **Chats > Chat Backup**.
4. Tap on the **BACK UP** button to create a backup of your chats on your device's internal storage or SD card.

### **Step 2: Restore GB WhatsApp Data**
If you've reinstalled GB WhatsApp or are setting it up on a new device, here's how to restore your data:

1. **Locate the GB WhatsApp Backup Folder:**
- Open your device's file manager.
- Navigate to **Internal Storage (or SD Card) > GBWhatsApp > Databases**.
- In the Databases folder, you should see files named `msgstore.db.crypt12` or similar.

2. **Install GB WhatsApp:**
- If GB WhatsApp is not already installed, download the latest version from a trusted source and install it on your device.

3. **Copy the Backup to the GB WhatsApp Folder (If Needed):**
- If you had previously moved your backup to another location or are transferring it from another device, ensure the backup file is placed in **Internal Storage > GBWhatsApp > Databases**.

4. **Open GB WhatsApp and Verify Your Number:**
- After verifying your phone number, GB WhatsApp should automatically detect the backup.
- Tap on **Restore** when prompted to restore your chat history.

5. **Wait for the Restoration to Complete:**
- Once the restoration is complete, your chats and media should be available in GB WhatsApp.

### **Important Considerations:**
- **Compatibility Issues:** Sometimes, restoring a backup from GB WhatsApp to the official WhatsApp app may not work due to compatibility issues between the two versions.
- **Switching to Official WhatsApp:** If you plan to switch to the official WhatsApp, it’s advisable to first restore the GB WhatsApp data within GB WhatsApp and then back it up using the official WhatsApp's backup method.
- **Security Concerns:** Using modified apps like GB WhatsApp can pose security risks. Always download such apps from trusted sources, and be aware that they are not officially supported, meaning they could be more vulnerable to security issues.

If you encounter issues during restoration, double-check that the backup file is in the correct location and that it's properly named (usually `msgstore.db.crypt12`).