Yes, if your SPD device is rooted (Magisk or SuperSU), you can use terminal commands.
| Error | Cause | Fix |
| :--- | :--- | :--- |
| Write IMEI Failed: Enable DRAM Failed | BROM not entered correctly | Reinstall SPD drivers, use short test point |
| S_BROM_CMD_STARTCMD_FAIL | Preloader mismatch | Use correct PAC file or Miracle Box autodetect |
| IMEI remains null after reboot | NVRAM lock (SPD NvLock) | Must flash a patched NVRAM from a working phone |
| AT command not found | Root access incomplete or wrong device path | Install busybox, try /dev/smd0 or /dev/ttyUSB0 |
If you entered *#*#83781#*#* and nothing happens, or the AT command returns ERROR instead of OK, you are facing one of three problems: spd android imei repair code
Introduction: The "Null IMEI" Nightmare
Imagine buying a budget Android smartphone based on the Spreadtrum (now Unisoc) chipset—brands like itel, Tecno, Infinix, or certain Lenovo and Samsung models—only to find that you cannot make calls, send texts, or use mobile data. You check your settings, and under "IMEI information," you see dreaded words: "Null" or "Unknown." Yes, if your SPD device is rooted (Magisk
This is a common firmware glitch in SPD (Spreadtrum) processors. When this happens, your phone is essentially a mini-tablet with no cellular function. The solution? An SPD Android IMEI repair code.
Unlike Qualcomm or MediaTek chips, SPD devices have a unique, code-based repair system that doesn't always require a PC. In this 2,500+ word guide, we will explore everything you need to know about SPD IMEI repair codes, how to use them, the risks involved, and the professional tools required when codes aren't enough. If you entered *#*#83781#*#* and nothing happens, or
Before diving into the repair codes, let’s understand the problem.
IMEI (International Mobile Equipment Identity) is a 15-digit unique serial number for your phone. It is the phone’s "fingerprint" for mobile networks. If this number is corrupted on the software level, the network rejects the device.
Why do SPD phones specifically lose IMEI?
When this happens, the modem (baseband) still works, but it has no identity to present to the cell tower.