While originally for MediaTek, a modified version exists for SPD/Unisoc (sometimes labeled "SPD META").

There are several reasons why you might need to repair your IMEI number. Here are a few common scenarios:

: He sourced the original 15-digit IMEI from the sticker behind the battery.

(e.g., SC9863A, T606) of the device you are trying to repair?

Most users search for an that works like *#*#3646633#*#* (MediaTek). SPD does NOT have a universal IMEI repair code that works via the dialer alone. Any claim that typing *#*#36466#*#* or *#*#83781#*#* will directly write an IMEI is false. Those codes may open engineering mode, but writing requires a secure partition write blocked by Android 7+.