Use official, free-to-use utilities like the MTK Flash Tool or SN Write Tool , which are provided by MediaTek for developers and technicians.
If you use a "cracked" tool to input a random or duplicated IMEI, the network provider may detect the anomaly and permanently blacklist the device from all carriers. Safe Alternatives for IMEI Repair mtk imei v30 cracked
Many MTK phones allow you to access a hidden menu (usually by dialing *#*#3646633#*#* ) where you can manually re-enter your original IMEI (found on the box or under the battery). Use official, free-to-use utilities like the MTK Flash
Ensuring the software matches the physical sticker on the phone's battery compartment. The Dangers of "Cracked" Software mtk imei v30 cracked