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. If the hardware is intact, this is the fastest "no-PC" method. Google Account (Verification)
Ensure the workstation is free of conflicting mobile drivers (such as older Samsung or ADB drivers that might hijack the COM port). Open the Windows Device Manager to monitor connection changes in real time. Step 2: Initialize the Software
Locate the input fields for IMEI 1 and IMEI 2 . Enter the 15-digit numbers carefully. Connect the Phone: Turn off the phone. Remove and reinsert the battery.
Because these chips prioritize low cost and low power consumption over advanced features, they lack some of the built‑in redundancy and fault tolerance of more expensive chips. This makes them more susceptible to IMEI corruption, especially after firmware updates or improper flashing. coolsand rda imei repair tool new
If dealing with a dual-SIM layout, populate the field with the second original identification string.
Always back up your NVRAM/firmware if the tool provides that option.
The IMEI number plays a crucial role in mobile device security and is used to: Open the Windows Device Manager to monitor connection
IMEI repair involves low‑level access to your device‘s firmware. Following these precautions will minimize risk:
IMEI numbers are unique identifiers used by global telecom networks to prevent fraud, track stolen hardware, and manage network traffic.
Published: June 7, 2026
A variety of new and updated tools have been released to address RDA and Coolsand devices. Below is a detailed look at the most prominent solutions for 2026.
Coolsand and RDA Microelectronics (which later merged with Spreadtrum to form UNISOC) produced highly integrated, low-cost system-on-chips (SoCs) widely used in budget handsets, utility devices, and regional feature phones. When the network-validation data inside these chips becomes corrupted, standard user-facing factory resets cannot fix the problem.
Input the string into the text box within the tool interface. Connect the Phone: Turn off the phone
Click the or Write button on the software interface. The program status bar will shift to a waiting mode.