What to do if your iPhone has bad ESN or blacklisted IMEI?

ESN and IMEI number is basic information that represents a particular iPhone, just like an identification card for people. Most of the users of the iPhone are not aware of the meaning of bad ESN and blacklisted IMEI numbers. What to Do When iPhone Has Bad ESN: ESN means Electronic Serial Number which is a unique number for each device that works as a way of identification of a CDMA device. If your…
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