"Parcel received by in MIA21" is a Yanwen scan at a facility coded MIA21. The code appears to point to a sorting facility in the Miami area, though Yanwen does not publish its codes. The scan comes right after "Batch delivery to carrier", so your parcel has been handed over in a batch and has now been logged at this facility. It is on its way, not yet at your door.
No. This message by itself is normal and is a routine step in the journey. The scan is rare, but it has always been followed by the same next step, so nothing about it suggests a problem. Only if the tracking stays on this line for longer than the previous steps took is it worth a closer look.
The next scan is nearly always "Parcel received by Transit Facility". That means the parcel has moved on from MIA21 to another transit facility for further sorting before it continues toward the final delivery carrier. Expect more checkpoint lines like this one before the last-mile delivery update.
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With the use of our tracking form you can easily check the status of your package. Also if you want to tracking YANWEN international express and get your package location updates to your e-mail, you can Register on our website.
YANWEN international express — is not the only postal service that you can track at PackageRadar. See full list of postal services available.