Try these codes first by opening your phone’s dialer and typing them exactly as shown:
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
Coolsand and RDA Microelectronics chipsets are low-cost, highly integrated processors used primarily in basic feature phones, smartwatches, and ultra-affordable 2G/3G/4G devices. While dependable for basic communication, their NVRAM (Non-Volatile Random-Access Memory) data—where the IMEI number is securely stored—can easily become corrupted. coolsand rda imei repair code best
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If your keypad phone powered by a Coolsand (RDA Micro) chipset—often found in budget-friendly Itel, Tecno, Karbonn, or generic Chinese models—shows "Invalid IMEI" or has no signal, you need a reliable IMEI repair solution. Because these phones lack complex operating systems, repairing the IMEI requires specific diagnostic codes or specialized tools to write the 15-digit identifier back into the NVRAM. Try these codes first by opening your phone’s
or *#987# – Hardware factory override setup page. *#3646# – Compact test mode gateway. Steps to Complete the Repair via Keypad
CM2RDA is the most stable professional premium software module for these microchip models. While dependable for basic communication
If keypad codes do not work, you will need a computer and a USB cable. The following tools are frequently used for RDA chipset maintenance:
