If you use an unlicensed copy to repair a customer’s phone and the phone’s IMEI is flagged as invalid by the carrier (e.g., Verizon, Vodafone), you could be sued for damages or reported to the authorities. IMEI manipulation without authorization is a felony in many jurisdictions.
The two most frequently cited passwords for accessing MTK's engineering mode are: mtk gsm laboratory password
When a user dials a specific engineering code (often *#*#3646633#*#* or *#15963#* on some devices), the phone prompts for a "Lab Password." Entering 1122 or 1234 typically grants access. If you use an unlicensed copy to repair
Downloading a “free” MTK GSM Laboratory crack or using a random password generator from YouTube is extremely risky. Here is what can happen: When a user dials a specific engineering code