• Apple iPhone 6

Apple iPhone 6 (Photo : Reuters)

If 3D Touch is no big deal and a rose gold smartphone is not on the list for the 2015 Christmas shopping then the iPhone 6 of last year should be tempting. The 2014 flagship, pre-owned, is down to less than $400 and is iOS 9-ready. 

Buyers who will skip the iPhone 6S and 6S Plus can take a hard look on Gazelle's reconditioned iOS smartphone offering. The 16GB iPhone 6 is up for grabs for only $378 and according to BGR, this is the unit locked on Sprint.

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For the 128GB model, still with Sprint SIM, shoppers will only need to add $100 and the device is theirs to take. Apple fans looking for a bargain on the phablet-size iPhone 6 Plus, also on the same network provider, it starts selling at $448 with 16GB of built-in memory.

Also on Gazelle, versions of the 16GB iPhone 6 on AT&T, Verizon and T-Mobile are for sale with the latter bearing the highest price at $448. The first two telcos are pushing out the same model for $398.

But buyers on the lookout for an unlocked iPhone 6 with the same storage capacity, the cash damage is slightly higher at $418, the latest Gazelle listing.

By any measure, the deal is a steal considering that with iOS 9 the iPhone 6 is pretty much a close of the iPhone 6S - inside and out. For sure, buyers will have to deal with the fact that 3D Touch will not come with the package. The new iPhone feature is definitely cool but most experts are saying that its power will be manifested further in upcoming iterations so iPhone 6 users shouldn't miss out on anything big time.

The 12MP rear and 5MP front camera combo that the iPhone 6S and 6S Plus boast about is certainly a compelling reason to opt for the newer models but buyers should be reminded that the iPhone 6 and 6 Plus topped the 2014 camera smartphone competition and until now, the duo can still measure up with their 2015 rivals.

And using the iPhone 6 and 6 Plus will also mean wielding a device that delivered to Apple nearly 75 million unit sales in December 2014, a record that likely will stay untouched for some time as the iPhone 6S and 6S Plus is only predicted to clear out around 67 million units by the end of 2015, per Barron's.