A: The SC7715 chipset only supports up to Android 8.1 (Go edition). It does not appear on modern Android 10+ devices.
Some encrypted SC7715 firmwares reject direct IMEI writing. In that case:
IMPORTANT: Writing an IMEI that is not the original one is illegal in most countries. Only restore the original IMEI printed on the phone’s box or under the battery.
Once preparations are complete, follow these steps precisely.
Legal Disclaimer: In most countries (USA, UK, EU, India), changing an IMEI to a number not originally assigned to the device is illegal unless you are a licensed repair center fixing a motherboard replacement. Cloning another phone's IMEI is wire fraud. However, repair centers legally use the tool to restore the original IMEI printed on the phone’s box or under the battery after a motherboard swap.
The SC7715 IMEI Tool is a lifeline for older budget devices that have lost their identity due to software corruption. While it lacks the polish of modern OEM repair suites, understanding how to manipulate modem partitions via SPD tools is a valuable skill for any mobile technician working on legacy hardware.
The Sc7715 IMEI Tool is a specialized utility designed for mobile devices running on the Spreadtrum (SPD) SC7715 chipset. It is primarily used to restore or "repair" the International Mobile Equipment Identity (IMEI) number if it becomes corrupted, invalid, or is lost after a firmware flash or system crash. Key Functions and Features
IMEI Restoration: Allows users to write the original IMEI back to the device's NVRAM.
Multi-Address Support: Can often write other hardware identifiers, including Bluetooth addresses, Wi-Fi addresses, and serial numbers.
Chipset Specificity: Optimized for the SC7715, a legacy budget-friendly Spreadtrum processor commonly found in older Android smartphones and feature phones from brands like Tecno, Infinix, and various local manufacturers.
Connectivity Modes: Typically interacts with the device in Diag (Diagnostic) Mode or Normal Mode via a COM port connection. Common Usage Workflow
While specific software interfaces vary, the general process for using this or similar Spreadtrum WriteIMEI tools includes:
Driver Installation: Installing the appropriate SPD USB Drivers so the PC can communicate with the chipset.
Connection: Booting the phone into Diag Mode and connecting it to a PC via USB. Sc7715 Imei Tool
Port Selection: Choosing the correct COM Port in the tool's settings.
Input & Writing: Entering the device's original IMEI (found on the box or under the battery) and clicking "Write".
Verification: Rebooting the device and dialing *#06# to verify the ID is restored. Important Legal & Safety Notice
Legality: Changing an IMEI number to anything other than its original factory-assigned ID is illegal in many countries and is often associated with masking stolen devices.
Risks: Improper use of these tools can permanently damage the device's software (bricking) or result in a complete loss of network connectivity.
Recommended Action: For "Invalid IMEI" errors, it is always safer to visit an authorized service center to have the official firmware re-flashed. How to use Spreadtrum WriteIMEI tool
The SC7715 IMEI Tool (Spreadtrum WriteIMEI) is a Windows utility designed to repair or write IMEI, Bluetooth, and Wi-Fi addresses on devices with Spreadtrum SC7715 chipsets. It fixes "Invalid IMEI" errors by connecting the device in diagnostic mode to write unique identifiers, while requiring proper USB drivers and COM port configuration. For a video demonstration of this tool, watch this YouTube video
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The SC7715 IMEI Tool is a specialized utility designed for mobile technicians and advanced users to repair or write the International Mobile Equipment Identity (IMEI) on devices powered by the Spreadtrum (Unisoc) SC7715 chipset.
Whether you are dealing with a "Null IMEI" error after a firmware flash or need to restore a lost ID, this tool is the industry standard for SC7715-based smartphones and feature phones. 📱 What is the SC7715 Chipset?
The Spreadtrum SC7715 is a highly integrated, low-cost platform used primarily in entry-level 3G Android smartphones and high-end feature phones. Because these devices are budget-friendly, they often suffer from software instability, leading users to frequent flashing. This process occasionally wipes the NVRAM partition, where the IMEI data is stored. 🛠️ Key Features of the SC7715 IMEI Tool
The tool is built to communicate directly with the device's bootloader or diagnostic port. Key capabilities include: IMEI Writing: Manually input and write IMEI 1 and IMEI 2.
Dual SIM Support: Ability to repair both slots simultaneously.
NV Data Management: Backup and restore NVRAM files to prevent future data loss.
Flash Mode Connectivity: Works via USB using Spreadtrum Diag or Calibration ports.
Lightweight Interface: No complex installation required; usually runs as a standalone .exe. 📋 Prerequisites for Use
Before attempting to use the SC7715 IMEI Tool, ensure you have the following ready:
SPD Driver: Install the latest Spreadtrum/Unisoc USB drivers so the PC recognizes the phone in "Diag Mode."
Original IMEI: Locate the original IMEI on the device sticker (behind the battery) or the retail box. USB Cable: A high-quality micro-USB data cable. Charged Battery: At least 30% to prevent connection drops. 🚀 How to Use the SC7715 IMEI Tool A: The SC7715 chipset only supports up to Android 8
Follow these steps carefully to restore your device's network connectivity:
Run the Tool: Open the SC7715 IMEI Write tool as an Administrator.
Select Mode: Choose the "Normal Mode" or "Working Mode" (typically USB or Diag).
Input Data: Enter the 15-digit IMEI numbers into the corresponding boxes.
Connect Device: Power off the phone. Hold the Volume Down or Boot Key while connecting it to the PC.
Write: Click "Start" or "Write." The status bar will turn green and display "Passed" once complete.
Reboot: Disconnect the phone and restart it. Dial *#06# to verify the change. ⚠️ Important Legal & Safety Note
Legal Compliance: Changing an IMEI to a number other than the one originally assigned to the device is illegal in many countries. This tool should only be used for repairing the original ID.
Data Risk: Incorrect use can "brick" the device or permanently disable cellular functions. Always create a backup of your current firmware before proceeding. 🔍 Troubleshooting Common Errors
Port Not Found: Ensure you are using the correct SPD Drivers and check Device Manager for "Spreadtrum COM Port."
Write Fail: Try a different USB port or check if the device's charging port is clean.
Stuck at 0%: You may need to press a specific hardware boot key to initiate the handshake.