Samsung Galaxy S6 SM-G920F Imei Null / Baseband ... - iFixit
Dial *#06# to check if your IMEI is correctly displayed. Important Notes:
To repair the IMEI on a Samsung Galaxy S6 Go to product viewer dialog for this item. Go to product viewer dialog for this item.
Use a professional tool like ChimeraTool or Z3X Box to write the original IMEI back to the device.
Ensure you have the latest Samsung USB Drivers installed. Step-by-Step Procedure:
Technicians often use specific .tar files like G920F_7.0.md5.tar for rooting and preparation before the repair.