Hardware-level recovery
Repairing an IMEI on a Sony XZ3 device requires technical expertise and caution. While several methods are available, users should be aware of the potential risks and take necessary precautions. If unsure, it is recommended to contact Sony support or a professional repair service for assistance.
Before trying third-party tools, use Sony's official software to fix corrupted system files that might be causing the IMEI to appear "null." Sony Xperia Companion (PC or Mac). Process: Install and open Xperia Companion . Click Software Repair on the main menu.
Sony devices are unique because they utilize the "TA Partition" (Trim Area). This is a protected section of the NAND flash memory that houses critical calibration data, including the original IMEI.
The is a 15-digit unique serial number that identifies your phone to mobile networks. When it’s corrupted, your XZ3 becomes a Wi-Fi-only tablet.