In the world of budget smartphones, few engines were as reliable and widespread as the MediaTek MT6580. This 32-bit quad-core processor powered millions of devices, but it held a secret that often frustrated users: its vulnerability to losing its "identity"—the IMEI (International Mobile Equipment Identity).
Here is the story of how that code works and why it matters. The Mystery of the Missing Signal
Imagine waking up to see "No Service" or "Invalid IMEI" on your screen. Your phone has essentially become a small tablet. Without a valid 15-digit IMEI number, your device cannot register on a cellular network. This often happens after a factory reset, a botched firmware flash, or a software glitch on MT6580 devices. The "Secret" Gateway: Engineer Mode
For the MT6580, the primary "repair code" isn't a single fix, but a key to a hidden room called Engineer Mode. By opening the dialer and typing: *#*#3646633#*#*
The screen transforms into a technical dashboard. This is the nervous system of the MediaTek chip, allowing developers and technicians to calibrate hardware directly. The Path to Repair
Within this hidden menu, a technician navigates to the Connectivity tab and selects CDS Information, then Radio Information. Here, they find the controls for Phone 1 (SIM 1) and Phone 2 (SIM 2).
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.
wakes up, recognizes its identity, and reconnects to the world. A Note of Caution
While this story explains the technical "how-to," the IMEI is a legal identifier. In many regions, changing or "repairing" an IMEI to anything other than the original number printed on the sticker under the battery is illegal. These codes are meant for restoring a lost original identity, not for masking a device's history.
MT6580 devices—typically budget-friendly 3G smartphones—often encounter IMEI issues after a factory reset, firmware update, or custom ROM installation. When your device shows "Invalid IMEI" or "IMEI Null," it loses the ability to connect to cellular networks.
Repairing the IMEI on an MT6580 chipset is generally straightforward because of MediaTek’s accessible Engineer Mode. Below is a comprehensive guide on the codes and methods used to restore your device's identity. 1. The MT6580 Engineer Mode Code
The most common way to access the hardware settings of an MT6580 device is through a dialer code. The Universal MT6580 IMEI Repair Code is: *#*#3646633#*#* Alternative codes if the one above doesn't work: *#*#2846579#*#* *#*#4636#*#*
*#06# (Use this first to confirm if your IMEI is currently missing or "Null") 2. How to Repair IMEI via Engineer Mode (No Root)
If your phone is powered by an MT6580 chipset, follow these steps to manually input your IMEI: Open the Dialer: Type *#*#3646633#*#*.
Navigate to Connectivity: Swipe across the tabs to find the Connectivity section. Select CDS Information: Then tap on Radio Information. Choose Phone 1 (for IMEI 1): At the top, you will see an input line starting with AT+. Type: AT+EGMR=1,7,"YOUR_IMEI_NUMBER" Note: Ensure there is a space after "AT+".
Send Command: Tap SEND AT COMMAND. You should see a message saying "AT command is sent." Choose Phone 2 (for IMEI 2): Type: AT+EGMR=1,10,"YOUR_IMEI_NUMBER" Tap SEND AT COMMAND. Reboot: Restart your phone. Dial *#06# to verify the fix. 3. Alternative: Using the MauiMeta Tool (PC Method)
If the dialer codes are blocked by your manufacturer or the "Send AT Command" fails, you will need a PC and the MauiMeta Tool. This is the professional-grade method for MediaTek IMEI repair.
Install MTK VCOM Drivers: Ensure your PC can communicate with the MT6580 in "Preloader" mode. Open MauiMeta: Run the tool and click "Reconnect."
Connect Phone: Power off your phone and connect it via USB. The tool will detect the device and the circle will turn yellow/green.
Load Database: You will need the BPLGUInfoCustomAppSrcP... file (found in your phone's original firmware folder).
IMEI Download: Select "IMEI Download" from the menu, enter your 15-digit IMEIs, and click "Write to Target." 4. Why did the IMEI disappear? Understanding the cause helps prevent future occurrences:
Formatting during Flash: Selecting "Format All + Download" in SP Flash Tool erases the NVRAM partition where IMEI data lives.
Corrupt NVRAM: Frequent crashing or improper shutdowns can corrupt the data partition.
Software Mismatch: Installing a ROM intended for a different variant of the MT6580. 💡 Important Legal & Safety Warning
Legal Identity: It is illegal in many countries to change an IMEI to a number that does not belong to the original device. Always use the original IMEI found on the phone's box or under the battery.
Backup First: Before attempting any "Write" commands, try to back up your current NVRAM/Firmware using SP Flash Tool. mt6580 imei repair code
Does your device show "AT command is failed" when you try the dialer method, or is it not responding to the code at all?
The MT6580 is a popular chipset used in many Android smartphones. If you're looking for information on IMEI repair codes for devices with this chipset, here's what you need to know:
What is IMEI?
IMEI (International Mobile Equipment Identity) is a unique 15-digit serial number assigned to each mobile device. It's used to identify a device on a cellular network and is essential for making and receiving calls, sending texts, and accessing mobile data.
Why do you need to repair IMEI?
In some cases, the IMEI number on your device may become null or corrupted, which can prevent you from using your device on a cellular network. This can happen due to various reasons such as:
MT6580 IMEI Repair Code
The repair code for MT6580 devices is typically provided by the device manufacturer or a professional repair service. However, I must emphasize that using or sharing IMEI repair codes can be risky and may void your device's warranty.
That being said, here are some general steps and codes that may help you repair the IMEI on your MT6580 device:
*#*#3646633#*#* or *#*#8378666#*#*. From there, navigate to CDS Information > Radio Information and select Phone 1 or Phone 2 to enter the IMEI repair menu.AT+EGMR=1,1,"your_imei_number" (replace your_imei_number with your actual IMEI number)AT+EGMR=1,2,"your_imei_number" (for secondary IMEI)Warning and Disclaimer
Please be aware that:
If you're not comfortable with the risks or don't have experience with IMEI repairs, it's recommended to seek professional help from a authorized service center or a reputable repair service.
Repairing or restoring the IMEI on a MediaTek MT6580 Go to product viewer dialog for this item.
device is typically done using Engineer Mode or specialized PC software like the SN Writer Tool. This is often necessary if the IMEI becomes "Invalid" or "Null" after flashing a custom ROM or performing a factory reset. Method 1: Engineer Mode (No PC Required)
This method uses a hidden dialer code to access the phone's internal configuration.
Open the Dialer: Enter the code *#*#3646633#*#*. If this doesn't work, try third-party apps like MTK Engineering Mode from the Play Store.
Navigate to Connectivity: Go to the Connectivity tab and select CDS Information.
Radio Information: Select Radio Information, then choose Phone 1 (for the first SIM slot). Enter Command: For SIM 1: Type AT+EGMR=1,7,"YOUR_IMEI_NUMBER". For SIM 2: Type AT+EGMR=1,10,"YOUR_IMEI_NUMBER".
Note: There must be a space after "AT+" (e.g., AT +EGMR...) for some firmware builds to accept the command.
Send Command: Tap SEND AT COMMAND. A "Command Sent" message should appear.
Reboot: Restart your device and dial *#06# to verify the restoration. Method 2: SN Writer Tool (PC Required)
This is a more robust method used if Engineer Mode is restricted or the NVRAM is corrupted.
Requirements: MTK USB VCOM drivers, the SN Writer Tool, and the device's database files (MD1_DB and AP_DB) usually found in the original stock firmware folder. Procedure:
Launch SN Writer and set "Target Type" to Smartphone and "ComPort" to USB VCOM.
Click System Config and tick the IMEI option (and Dual IMEI if applicable). Load the MD1_DB and AP_DB files from your firmware. In the world of budget smartphones, few engines
Click Start, enter your original IMEI(s), and connect the powered-off phone to the PC. Wait for the green PASS message.
These tutorials provide visual demonstrations of both Engineer Mode commands and PC-based repair tools for MT6580 devices:
For devices with the MT6580 chipset, the most common "code" to access the IMEI repair interface is the Engineer Mode dialer code: *#*#3646633#*#*.
Once inside, the actual "repair" is performed using AT Commands to rewrite the original IMEI number (usually found on a sticker under the battery or on the device's original box). Step-by-Step IMEI Repair (No PC Method)
This method works directly on the device using the hidden Engineering menu.
Open Engineer Mode: Enter *#*#3646633#*#* into your phone's dialer.
Navigate to Radio Info: Go to the Connectivity tab > CDS Information > Radio Information.
Select SIM: 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".
The most common dialer code to access the Engineer Mode on MediaTek MT6580 Go to product viewer dialog for this item. devices is *#*#3646633#*#*.
❗ Important Legal Warning: It is illegal in many jurisdictions to change an IMEI number to anything other than the original number assigned by the manufacturer. Use these codes and methods only to restore the phone's original IMEI (printed on the sticker under the battery or on the device box) after a software crash, corruption, or flashing error. 🛠 Direct Method: Engineer Mode (Without PC)
If your MT6580 device has a corrupted or "Invalid" IMEI, you can often restore it without a computer by using specific command lines inside the hardware engineering menu. Step 1: Open Engineer Mode
Open the phone dialer keypad and enter one of these secret codes to trigger the hidden menu: *#*#3646633#*#* (Most common for MTK) *#3646633# *#15963#*#* Step 2: Navigate to AT Command Prompt Slide horizontally to the Connectivity tab. Tap on CDS Information. Tap on Radio Information.
Select Phone 1 (for the first SIM slot) or Phone 2 (for the second SIM slot). Step 3: Enter the IMEI Commands
At the top of the screen where it says AT+, carefully type out the following commands: 📡 For SIM 1: Type AT+EGMR=1,7,"YOUR_15_DIGIT_IMEI" 📡 For SIM 2: Type AT+EGMR=1,10,"YOUR_15_DIGIT_IMEI"
⚠️ Crucial Syntax Note: There must be a space after the "AT+". If typed as AT+EGMR, the phone might return an error stating that the "command is not allowed in userbuild". Change it to AT +EGMR if this happens. Step 4: Finalize the Repair
Tap the SEND AT COMMAND button. You should see a message saying "AT command is sent". Reboot the mobile device.
Once back on, open the dialer and type *#06# to check and verify that your original IMEI has been successfully restored. 💻 Alternative Method: PC Software Tools
If the dialer codes do not work or the Engineer Mode is locked on your specific firmware, you will need to utilize specialized computer software to manually rewrite the NVRAM data.
Maui META / ModemMeta Tool: The official and most stable utility for MediaTek chips to write hardware identifiers in Meta Mode.
SN Writer Tool: A reliable, lightweight factory application that requires firmware DB files to reconstruct null or corrupted parameters.
SP Flash Tool: Used to re-flash the initial correct stock firmware if the entire baseband partition is showing as "Unknown" rather than just providing an invalid IMEI readout.
For tips on how to correctly install drivers and run the SN Writer Tool without encountering errors:
Finding a functional MT6580 IMEI repair code is a common challenge for users dealing with "Invalid IMEI" errors on older MediaTek-based smartphones. This issue often occurs after a factory reset, a firmware flash, or a software glitch that wipes the device’s NVRAM partition.
The MT6580 is a legacy 32-bit quad-core chipset found in many budget Android devices. Because it uses a MediaTek architecture, you can often restore the IMEI without specialized boxes or expensive technician tools by using built-in Engineering Mode commands. The Universal MT6580 IMEI Repair Code
The most reliable way to access the hidden menu required for IMEI repair on MT6580 devices is through the dialer code. Dial this code: *#*#3646633#*#* Software issues or firmware flashing Hardware damage or
Once entered, the phone should automatically launch the MTK Engineering Mode. If this code does not work, alternative codes include: *#*#4636#*#* *#15963#*#* *#*#8351#*#* Step-by-Step Guide to Repairing IMEI via Engineering Mode
If your device is powered by the MT6580 chipset, follow these steps to manually write your original IMEI back to the hardware:
Open Engineering Mode: Enter *#*#3646633#*#* into your phone's dialer.
Navigate to Connectivity: Swipe across the tabs to find "Connectivity."
Select CDS Information: Tap on this option, then select "Radio Information." Choose Phone 1 or Phone 2: Select Phone 1 to repair the first IMEI slot. Select Phone 2 for the second IMEI slot (if dual SIM).
Enter the AT Command: At the top of the screen, you will see a command line starting with AT+. For IMEI 1, type: AT +EGMR=1,7,"YOUR_IMEI_NUMBER" For IMEI 2, type: AT +EGMR=1,10,"YOUR_IMEI_NUMBER" Send the Command: Tap "Send At Command."
Note: If you get an "AT command is failed to send" error, put a space between AT and + (e.g., AT +EGMR). Reboot: Restart your device to save the changes. Why is your MT6580 IMEI "Invalid"?
Understanding the root cause can help prevent the issue from recurring:
NVRAM Corruption: The NVRAM (Non-Volatile Random Access Memory) stores your IMEI data. If this partition is formatted during a flash, the IMEI is lost.
Improper Firmware Flashing: Using the "Format All + Download" option in SP Flash Tool is the most frequent cause of lost IMEIs.
Software Crashes: Occasional system-level crashes can trigger a reset of the baseband parameters. Alternative Tools for MT6580 IMEI Repair
If the dialer codes do not work or the Engineering Mode is locked, you can use PC-based utilities designed for MediaTek devices:
Maui Meta Tool: The professional choice for MTK devices. It allows you to write IMEI directly to the NVRAM in "Meta Mode."
SN Write Tool: A lightweight official MediaTek tool specifically for writing Serial Numbers and IMEIs.
Chameleon (Root Required): An Android app that can change or repair IMEIs instantly if your MT6580 device has been rooted. ⚠️ Important Legal and Safety Notice
Repairing an IMEI is intended for restoring a device to its original factory state. You should only use the IMEI numbers printed on the phone's original box or under the battery.
Changing an IMEI to a different number is illegal in many jurisdictions. Always ensure you are following local laws before attempting these procedures.
Do you have the original IMEI numbers from the sticker under your battery or the device box?
MediaTek includes a hidden Engineer Mode (EngMode) accessible via dialer codes. These are legitimate MT6580 codes, but they are not one-click fixes.
| Code | Function |
|------|----------|
| *#*#3646633#*#* | Standard MTK Engineer Mode |
| *#*#54298#*#* | Engineer Mode (alternate) |
| *#*#225#*#* | Engineering Logs |
Once inside Engineer Mode, you can technically restore IMEI by navigating to: Connectivity → CDS Information → Radio Information → Phone 1 (or Phone 2).
*#*#3646633#*#* – Opens MTK Engineer Mode.
From there: Connectivity → CDS Information → Radio Information → Phone 1 (or 2).
Commands to write IMEI:
AT+EGMR=1,7,"IMEI_1"
AT+EGMR=1,10,"IMEI_2"
Limitation: Often requires root access on Android 6+ / MT6580. Without root, the command may be rejected.
*#*#4636#*#* – Testing menu (not directly for writing IMEI, but useful to check phone info).
Always use "Download Only" or "Firmware Upgrade" (which backs up NVRAM first). The "Format All" option wipes the NVRAM partition completely.