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These observations hold true for our file transfer test: the 802.11ac implementation in the MacBook Pro is better than the one in the Air, but not by the degree that one might expect. Moving the laptop away from the router and putting a wall between them shows that the Pro’s signal strength falls off at about the same rate as the Air's, where the iMac’s stronger antenna can hold a better signal at the same distance. To test throughput, we’ll first look to the iPerf network testing tool, which can give a more realistic idea of the bandwidth you can expect from a given network connection than that connection’s theoretical maximum speed.Īs in the 2013 iMac, adding a third antenna to the Retina MacBook Pro doesn’t get you 33 percent more throughput than the two-antenna 2013 MacBook Air, though it does outspeed the Air by 100Mbps or so. The 2013 iMac uses the same three-antenna, 1.3Gbps configuration while the MacBook Airs get by with two antennas and max out at a theoretical 867Mbps.Īs of Mavericks, all of the problems we noticed with 802.11ac file transfer speeds when we reviewed the Air have been ironed out, so Pro buyers can pick up a laptop and an 802.11ac AirPort Extreme without hesitation. The long version: Apple has been rolling faster Wi-Fi out to all of its Macs all year, and the Retina MacBook Pros get their three-antenna, 450Mbps 802.11n setups swapped for faster 1.3Gbps 802.11ac. Actual transfer speeds are slightly higher than the 2013 Airs, but not by much.
Macbook pro early 2013 15 inch mac#
Simply go to the Mac section and then access Mac Notebooks on the Contact Apple Support web page.The short version: Thanks to 802.11ac, the Retina MacBook Pros increase theoretical Wi-Fi transfer speeds to 1.3Gbps, up from the 450Mbps 802.11n in previous versions and 867Mbps 802.11ac in the 2013 MacBook Airs. To initiate the battery replacement process for your MacBook Pro Mid 2012 or MacBook Pro Early 2013 15-inch model with Retina display, you should contact Apple Support via the official website. Of course, if you have an AppleCare+ plan, you won't have to pay a dime. However, if you still own a 15-inch MacBook Pro Mid 2012 or Early 2013 model with Retina display, you can now finally replace the battery for the sum of $199 USD, which is the out-of-warranty fee in the United States. You can finally replace the battery in your MacBook Pro Mid 2012 or Early 2013 Meanwhile, for a limited time, Apple allowed customers owning a MacBook Pro Mid 2012 model with a depleted battery to exchange it with a refurbished MacBook Pro 2016 model with Touch Bar for only $199 USD, which is the cost of the battery replacement.
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The inventory of the top cases, which accommodates the trackpad, keyboard, and speaker grilles on 15-inch MacBook Pro Mid 2012 or Early 2013 models, started depleting more than a year ago, on March 2017, when Apple informed service technicians about the shortages, promising to resolve the issue on September 15, 2017.īut it took Apple six more months to fully restore its supply of top case assemblies. After more than a year of shortages, it would appear that Apple will finally be able to replace batteries in 15-inch MacBook Pro Mid 2012 and MacBook Pro Early 2013 models with a Retina display.Īccording to an internal memo distributed to Apple Stores and Apple Authorized Service Providers and obtained by MacRumors, Apple has now fully restored its inventory of the top cases with glued-in batteries for older MacBook Pro made between Mid 2012 and Early 2013 with a 15-inch Retina display.