This article is for educational and professional repair purposes only. Repairing an IMEI means restoring the original factory number that was assigned to that specific motherboard. Writing any number that does not match the phone's original label is considered IMEI forging and is punishable by fines or imprisonment in many countries. Always ask for proof of purchase before performing this service for a customer.
For IMEI repair on Kirin 810 (JNY-LX1 chipset), you must switch to Manufacture Mode: jny-lx1 imei repair sigma
Before typing "jny-lx1 imei repair sigma" into a search engine for a download, ensure you have the following: This article is for educational and professional repair