If you write the IMEI and it still shows "Invalid," your NVRAM chip might be physically damaged or "Read-Only." Important Legal Notice
Select the RDA tab -> Choose "Write IMEI" -> Input numbers -> Click Start. Pros: High success rate and supports various boot pins. 3. Infinity-Box CM2RDA coolsand rda imei repair code best
Below is a comprehensive guide on the best , how to use them, and alternative software methods for 2024. Understanding the "Invalid IMEI" Issue If you write the IMEI and it still
Connect the phone in "Boot Mode" (usually by holding the 'OK' or 'Call' button while plugging in the USB). 2. Miracle Box / Thunder Edition Infinity-Box CM2RDA Below is a comprehensive guide on
For many RDA-based feature phones, you can access the engineering or IMEI write menu directly from the keypad.
Ensure you have the RDA USB VCOM Drivers installed. Without these, your PC will not "see" the phone in repair mode.
The is a widely used chipset in budget-friendly feature phones and some older smartphone models. If you find your device displaying an "Invalid IMEI" error after a firmware flash or a factory reset, you likely need the specific service codes to restore its identity.