Update iOS twice reduced the speed of the iPhone

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Photo: Mark Schiefelbein / AP

Researcher Melvin Mughal (Mughal Melvin) found that the iOS update has led to a decline in the performance of his iPhone. In some cases, the speed decreased by 50 percent, says the research specialist.

Mughal tested on iPhone 6 with iOS 11.2.2 before and after installing the patch. The tests were conducted under the same conditions without background applications. Also on the smartphone was not Intended, was not made repairs and any other changes to the system.

Almost all items of the tests the speed of the smartphone has decreased by 40-50 percent. So, in a single-threaded test, the CPU performance, the drop was 41 percent, and in a multithreaded — 39 percent.

In this case, Apple state that the update to 11.2.2 is extremely important from the point of view of user safety, and is not recommended to ignore it. It repairs the vulnerability of the Spectre, which was discovered in mid-2017, however, patches for correcting it began to produce only in early 2018. It is through gaps in the insulation programme gives the hacker the ability to get information from other applications.

In December 2017, Apple admitted to lowering performance of iPhone with old batteries. This was done solely to prevent the inadvertent turning off of the device at high load, noted in the company.

Video, photo All from Russia.

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