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Interfacing with the CDS info or NVRAM structures carries a risk of hard-bricking the cellular modem. Always back up existing NVRAM partitions using a custom recovery tool before making modifications.
This is the most direct method to restore your IMEI using the device's built-in engineering menu. Open the Dialer : Enter the code *#*#3646633#*#* to access MediaTek Engineering Mode. Note: If this code doesn't work, try *#*#4636#*#* or use an "MTK Engineering Mode" app from the Play Store. Navigate to Connectivity : Swipe to the Connectivity tab and select CDS Information Radio Information Radio Information , then choose (for SIM 1) or (for SIM 2). Enter the Command For SIM 1: Type AT+EGMR=1,7,"YOUR_15_DIGIT_IMEI" For SIM 2: Type AT+EGMR=1,10,"YOUR_15_DIGIT_IMEI" Send Command SEND AT COMMAND . You should see a "Command sent" message. Tip: If you get an error, add a space after "AT+" (e.g.,
To "repair" the identity, they use a specific command string: For SIM 1: AT+EGMR=1,7,"YOUR_IMEI_NUMBER" For SIM 2: AT+EGMR=1,10,"YOUR_IMEI_NUMBER" With a tap of "Send AT Command" and a quick reboot, the Go to product viewer dialog for this item. mt6580 imei repair code
Reboot your smartphone. Once it turns back on, dial *#06# to verify that your network connectivity is restored. Method 2: Repair IMEI via Chamelephon App (Root Required)
In the past (Android 4.x and early 5.x era), dialer codes like *#*#3646633#*#* could open Engineering Mode (EngineerMode), where users could easily type in a new IMEI. However, due to stricter security protocols and Google’s enforcement of SELinux policies on newer Android versions (Android 6.0 Marshmallow and up, where most MT6580 devices reside), this specific feature was disabled by MediaTek. Interfacing with the CDS info or NVRAM structures
SN Writer is another official utility built specifically for MediaTek serial numbers.
: Choose Phone 1 (for the first SIM) or Phone 2 (for the second SIM). Enter the AT Command : For SIM 1 : Type AT+EGMR=1,7,"YOUR_15_DIGIT_IMEI" . For SIM 2 : Type AT+EGMR=1,10,"YOUR_15_DIGIT_IMEI" . Open the Dialer : Enter the code *#*#3646633#*#*
This is the most reliable way to repair
If the engineer mode code fails, you must move beyond dialer codes. This section requires a Windows PC, the , and root access.
This occurs when the dongle is not detected properly. Apply the Miracle Box inactive start button fix (available on Hovatek forums).
Your 15-digit IMEI number should appear. If not, repeat the process or try MAUI META Tool.