Change Imei With Magisk Exclusive ((top)) -

While itself does not have a native "change IMEI" feature, it provides the root environment necessary for modules and apps to either mask or permanently rewrite the IMEI.

Which of those would you like?

If the command fails (common on Qualcomm), you need the :

When it comes to changing or simulating a different IMEI (International Mobile Equipment Identity), most online tutorials point you toward shady Windows tools or Xposed modules.