: A more comprehensive software-only solution that supports IMEI repair and certificate patching for newer Android versions without a box. General Repair Workflow
When the IMEI becomes "null" or "0," the phone becomes a Wi-Fi-only device.
Often, a null IMEI is caused by a missing EFS folder. Before reaching for a repair tool, try this:
How to Repair Qualcomm IMEI Without a Box: A Step-by-Step Guide