Primarily works with MTK-based keypad/feature phones, though it can work on older Android MTK devices.
A guide for via Engineer Mode instead?
: Repairs baseband unknown errors and cellular connectivity issues. Mtk Imei V3.0
Before launching MTK IMEI V3.0, ensure you meet the following requirements to prevent bricking your device: Primarily works with MTK-based keypad/feature phones
If the device loops after flashing, boot into recovery mode and perform a "Wipe Cache Partition." Mtk Imei V3.0