Apple’siPad mini with Retina displayused to ship in 1-3 business days for the more popular versions with sixteen and 32 gigabytes of storage, with the more capacious variants with 64 and 128 gigabytes of storage being delivered in 5-10 days.

In another development that won’t please holiday shoppers, the entry-level 16GB Retina iPad mini along with its 32GB variant have become harder to come by as shipping estimates on the online Apple Store slip to 5-10 days. Matter of fact, now all capacities, colors, wireless and carrier models (Wi-Fi-only and Wi-Fi + Cellular) of the iPad mini with Retina display are shipping in 5-10 days…

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A quick hop over to theonline Apple Storereveals the new 5-10 day shipping estimate for all Retina iPad mini models. This came just as LTE-enabled Retina minisstarted slowly tricklinginto Apple’s retail stores in the United States.

Some regional U.S. carrierslike Bluegrass CellularandU.S. Cellularhave started selling cellular models in retail stores as well (C Spire Wireless will begin carrying Retina minis next week) as Apple itself justallowed walk-in sales.

It gets worse as three major U.S. carriersall back-ordered on the cellular version: T-Mobile, for instance, is now citing 6-8 week shipping estimate for Retina minis, with T-Mobile and AT&T quoting 6-8 week and 21-28 day deliveries, respectively.

All of this suggests Apple hasn’t ramped up manufacturing yet to meet high demand for the device. Would-be buyers should expect shipping times to continue to lag as we head into the holiday shopping season, which kicks off in the United States with Black Friday next week.

When the Retina iPad mini 2launched on November 12, Apple initially allowed only online orders, which customers could either have shipped or picked up personally at a desired Apple Store.

The shortages are blamed onproduction problems with Sharps’ IGZO screensand are expected to persist until the first quarter of 2014, when Apple is expected to switch to Samsung-made Retina panels as the Galaxy maker was allegedly“the first to solve the technological problem”.