This is the industry standard for repairing Chinese and SPD devices.
The Spreadtrum SC7715 is a 2014-era ARM Cortex-A7 processor, still commonly found in feature phones, rugged industrial devices, and entry-level Android smartphones (often running Android 4.4–6.0). Brands like Samsung (Z-Series), BLU, Micromax, and Swipe have used this chip.
Unlike Qualcomm or MediaTek, Spreadtrum chips have unique NV (Non-Volatile) memory structures. A simple factory reset or an incorrect firmware flash often wipes the IMEI partition.
Legitimate uses of an SC7715 IMEI tool include:
The latest version (often labeled v2.0, v3.6, or 2025 release) includes:
If you have downloaded a tool like Miracle Box or WriteIMEI, follow these steps carefully.
Prerequisites:
Procedure:
To repair or write the IMEI on a Spreadtrum SC7715 device, the most widely used utility is the Spreadtrum WriteIMEI Tool. Tool Download and Requirements
While specific download links for the latest versions often fluctuate, you can find versions like WriteIMEI R3.0.0001 or the updated Spreadtrum IMEI Tool on specialized mobile resource sites.
SPD USB Drivers: Essential for your PC to communicate with the SC7715 chipset. Operating System: Windows 7, 8, 10, or 11.
Original IMEI: You should only write the original IMEI numbers found on the device's sticker or box. How to Use the WriteIMEI Tool Preparation: Open the writeimei.exe application on your PC. Configuration: Click on Mode Select and choose Normal Mode.
Under the Port section, select the COM port assigned to your device (check Windows Device Manager to verify).
Input IMEI: Enter the original IMEI number(s) into the designated fields. Connection: Power off your device.
Hold the Volume Down (or designated boot key) and connect it to the PC via USB. sc7715 imei tool download new
Execution: Click the Write or Start button. Once the process finishes, a "Pass" or "Done" message will appear. Alternative: Miracle Box
If the standalone tool fails, Miracle Box (or the crack version) is a common alternative. In the SPD tab, you can enable the IMEI option by pressing Ctrl + M, selecting your chipset (SC7715), and following the "Write IMEI" prompt.
Important Notice: Changing an IMEI to anything other than the original assigned to the device is illegal in many regions and can lead to the device being blacklisted from mobile networks. AI responses may include mistakes. Learn more Sc7715 Imei Tool Latest Version UPDATED - Google Docs Sc7715 Imei Tool Latest Version UPDATED - Google Drive. Google Docs
How to use Miracle Box to write IMEI to Spreadtrum (no button)
000,0:01:03. 250 On the miracle box interface, i'll press control + M to enable IMEI 0:01:05. 810,0:01:07. 810 Click on SPD tab 0: YouTube·Hovatek How to use Spreadtrum WriteIMEI tool
The SC7715 is a legacy Spreadtrum (Unisoc) chipset often found in older entry-level smartphones and feature phones. Finding a "new" tool for such dated hardware usually involves using specialized service software like ResearchDownload , or universal multi-tool boxes. Key Tools for SC7715 IMEI Repair WriteIMEI Tool (Spreadtrum/Unisoc)
: This is the official utility for writing or repairing IMEI numbers on Spreadtrum devices. You generally need to put the phone into "DIAG" or "Download" mode and have the correct Spreadtrum USB drivers installed. SPD Upgrade Tool (ResearchDownload) This is the industry standard for repairing Chinese
: While primarily for flashing firmware, newer versions of the Spreadtrum Upgrade Tool
can sometimes reset or fix baseband issues that lead to an invalid IMEI. After Sales Tool v7
: A newer, free option often cited for various budget models (Infinix, Tecno, Itel) that may include legacy chipset support. Professional Dongles : Tools like ChimeraTool
or CM2 (Chinese Miracle 2) are the most reliable for older Spreadtrum chips but usually require a paid license or hardware dongle. Important Considerations Legal Warning
: In many jurisdictions, changing an IMEI number is illegal, especially if the device is stolen. Ensure you are only repairing an original, valid IMEI that was lost due to a software crash or firmware flash.
: For the tool to recognize an SC7715 device, you must install SPD/Unisoc USB Drivers
. Without these, the device will appear as an "Unknown Device" in Windows Device Manager. Risk of Hard Brick Legitimate uses of an SC7715 IMEI tool include:
: Modifying partition data on older chipsets like the SC7715 carries a high risk of permanently "bricking" the phone. Always back up your current firmware (NVRAM/NVRAM data) if possible before attempting repairs.
For a safer alternative, you can try checking your device information via Windows System Information