Enter the 15-digit code found under your phone’s battery and hit . Restart the device immediately. Best Software Tools for Coolsand RDA Repair
If the phone just starts charging when plugged in, you haven't hit the boot key. Common RDA boot keys are the 'Center/OK' button, 'Dial' button, or '*' and '#' together.
– While this usually just shows the IMEI, on some RDA firmware, pressing "Options" or "Edit" here allows for direct input. *#9646633# – Common for generic Chinese chipsets. *#8232# – Specific to certain RDA8851 models. *#3646633# – Standard MTK/RDA hybrid code. How to use the code: Open the Dialer/Keypad. Type the code carefully. Navigate to Para Set or Connectivity . Select IMEI or Write IMEI . coolsand rda imei repair code best
Connect the phone in "Boot Mode" (usually by holding the 'OK' or 'Call' button while plugging in the USB). 2. Miracle Box / Thunder Edition
Ensure you have the RDA USB VCOM Drivers installed. Without these, your PC will not "see" the phone in repair mode. Enter the 15-digit code found under your phone’s
Miracle Box is arguably the best paid tool for Coolsand RDA IMEI repair. It has a dedicated "RDA" tab.
Select the RDA tab -> Choose "Write IMEI" -> Input numbers -> Click Start. Pros: High success rate and supports various boot pins. 3. Infinity-Box CM2RDA Common RDA boot keys are the 'Center/OK' button,
The IMEI (International Mobile Equipment Identity) is a unique 15-digit number used by networks to identify valid devices. On Coolsand/RDA devices, this information is stored in the . If this partition is corrupted, the phone will lose its ability to register on a cellular network, resulting in "Emergency Calls Only." The Best Coolsand RDA IMEI Repair Codes
IMEI repair is intended for restoring a device to its original factory state using the number printed on the device’s sticker. Changing an IMEI to a different number is illegal in many jurisdictions. Always use the original IMEI associated with the hardware.
This is the official utility for RDA chips. It allows you to read and write NV data. Deep partition repair.