provides the necessary root access systemlessly . Unlike old SuperSU, which physically altered the system partition, Magisk hides in the boot image. This is crucial for IMEI repair because:
Source: Li, Jianqiang, et al. "Magisk-based IMEI Repair for Android Devices." 2021 6th International Conference on Computer and Communication Systems (ICCS). IEEE, 2021. imei repair magisk verified
Even if you manage to get an IMEI repair module to write a number to the phone, you face a new problem: Certification. provides the necessary root access systemlessly
Something is reverting the nv_data on shutdown. This is common on Exynos chips. You need to set a boot script in Magisk: which physically altered the system partition
What Is an IMEI Lock and How Does It Work? A Complete Guide - floLIVE