Enter the original IMEI numbers found on the phone's sticker or original box [5.4, 5.6].
If that code does not work, try these alternative SPD codes: *#*#3646633#*#* *#*#9646633#*#* *#888# (Common for feature phones)
Locate and tap on Set IMEI or GPRS .
Official factory flashing utilities can rewrite the entire system image, including the baseband configuration files. Flashing a stock ROM matching your exact build number often rebuilds a corrupted NVRAM structure. 2. SPD IMEI Tool (WriteIMEI) spd android imei repair code
Complete Guide to SPD Android IMEI Repair Codes and Solutions
For Android devices powered by or UNISOC chipsets, IMEI repair is typically handled through Engineering Mode codes or specialized service software . These methods are generally used to restore a lost or "invalid" IMEI following a firmware update or system crash. Common Engineering Mode Codes
On modern Unisoc/SPD chipsets (running Android 10, 11, 12, 13, and higher), dialer codes . Google and chip manufacturers have locked down write-access to the device's NVRAM (Non-Volatile Random-Access Memory) where network configurations are stored. Typing a code may open an information menu, but the ability to edit the IMEI directly from the screen has been stripped out for security purposes. How Original IMEIs are Restored on SPD/Unisoc Devices Enter the original IMEI numbers found on the
Enter the command: EGMR=1,7,"YOUR_15_DIGIT_IMEI" (Note the space after AT+ ).
For phones where the Baseband is present but nothing else works, professional hardware boxes or dongles are the standard solution in repair shops. These tools communicate at the bootloader level and support almost all SPD chipsets.
Yes, if your SPD device is (Magisk or SuperSU), you can use terminal commands. Flashing a stock ROM matching your exact build
The tool will locate the device port and flash the IMEI. Once complete, a green "PASS" status bar will appear. Unplug and restart your device. Method 3: Using Third-Party Service Tools
: Often used for Infinix, Tecno, and Itel devices to fix "Invalid IMEI" issues.
This indicates a driver communication breakdown. Re-install the Spreadtrum SCU Android USB drivers, change your USB port (use USB 2.0 instead of 3.0), or use a different USB cable.