Enter the correct original IMEI numbers for your device into the IMEI fields. Click the button.
: Modern Sigma workflows for Kirin 810 use original device certificates to rewrite secure partitions cleanly. Ensure you have a valid backup file or a compatible network cert package. The JNY-LX1 Hardware Testpoint
Ensure the "Keep OEM Info" or "Repair OEM" option is selected if prompted. Click the button.
: Standard USB-A to USB-C cable (avoid flimsy cables to prevent connection drops).
Comprehensive Guide to Huawei P40 Lite (JNY-LX1) IMEI Repair via Sigma Key jny-lx1 imei repair sigma
Before starting the process, it's important to understand what "null IMEI" or a "Chip is damaged" error indicates. On the Huawei JNY-LX1, which is powered by the HiSilicon Kirin 810 processor, the IMEI and related network calibration data are stored in a protected area of the device's memory.
The specific displayed by Sigma Key
Direct support for Kirin 810 without complex server credits. Stable communication via Test Point.
You must have an activated SigmaKey or SigmaBox with Power Pack enabled. Enter the correct original IMEI numbers for your
A faulty connection is a common source of errors. , as USB hubs or USB 3.0 ports can cause communication timeouts. Ensure that you have the correct HiSilicon USB COM drivers installed. You can find them in the SigmaKey installation folder or on the official website.
: Clean the USB Type-C port on the phone and check the Windows Device Manager. Re-install the Huawei USB COM 1.0 driver architecture and avoid USB 3.0 ports.
Once Sigma displays a "Repair Done" or "Success" message, disconnect the USB cable.
Reconnect the battery flex cable while the device remains plugged in. Step 3: Configure Sigma Plus Software Ensure you have a valid backup file or
: Always use the original IMEI number found on the device’s sticker or original packaging for legal compliance. Step-by-Step Procedure
Download and install the latest version of the tool from the official SigmaKey Download Page.
Physical access to the motherboard is mandatory. You will need tweezers or a conductive wire to short the testpoint pin to the ground shielding.