Navigate to the chip selection menu. Select , RDA , or the specific processor model (e.g., RDA8851 ) from the dropdown list. Step 4: Configure the Connection Settings
Release the boot key once the progress bar begins filling up.
Watch these tutorials to see how to use these tools for RDA and Coolsand devices: Fix IMEI on SPD , RDA & Coolsand Mobiles – All FREE! 24K views · 1 year ago YouTube · Adnan Mobile Shop How to repair imei all RDA keypad without any software 1K views · 3 years ago YouTube · Hondeka Mobile Service
These are small, portable Windows applications designed specifically for RDA/Coolsand chips. They require no heavy installation. You simply type in the original dual or single IMEI numbers, connect the phone in boot mode, and write the data. 2. Miracle Box (or Miracle Thunder) coolsand rda imei repair tool
: Manually installing the RDA USB driver on a Windows PC.
The Coolsand RDA IMEI repair tool is a specialized utility used primarily for servicing devices equipped with RDA or Coolsand chipsets, commonly found in many "feature" phones and some older Android devices. This tool is typically used to restore an original IMEI number that has become corrupted or "invalid" after a firmware flash. Core Functionality and Requirements
Hold the device's (usually the center OK button, the Call button, or the Volume keys on feature phones). While holding the boot key, plug the USB cable into the PC. Step 4: Execute the Write Process Navigate to the chip selection menu
In the tool interface, select "USB" as the connection type. Ensure the baud rate is set correctly (usually auto-detectable).
What is the of the phone you are trying to fix?
RDA All In One Tool Collection For Mobile and Smartwatch Free Watch these tutorials to see how to use
What is the of the device you are repairing?
Select the specific action checkbox labeled or Repair IMEI .