How to Backup Any Coolsand/RDA Firmware Using Miracle Box
Download Miracle Box
Download Miracle Driver Installation Software
Use the following method to backup Coolsand/RDA phone Firmware using Miracle Box. Backup KG-TEL, ROCKTEL, I-PLUS phone firmware
1. Launch Miracle box, Click the Coolsand/RDA Tab, Read, select choose type Auto Detect Coolsand CPU and click Start button
2. You should see, Scanning USB Serial port. Power off your phone, remove and reinsert the battery, Press and hold Coolsand/RDA boot key and connect your phone to the computer Via USB Cable
3. A new window should open, navigate and save the Coolsand/RDA firmware. Save it by clicking save button
4. Once the backup process is complete, disconnect your phone from the computer, reinsert the battery and power on the phone.
Important Notice
Your Phone must be at last 50% charged
Disable driver signature enforcement on your computer
Install Coolsand/RDA USB Drivers depends on your operating system bit installed on your computer
Use Feature phone boot key or Smartphone Boot key
Know your phone mobile CPU
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