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iPhone 5S : iOS 10.2 vs iOS 10.2.1 Beta 4 Speed Test Build # 14D27

4,677 views · Published 13 January 2017 · 10:44 · Indexed 27 October 2026

Channel: iAppleBytes · 2017 · Science & Technology

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Apple released iOS 10.2.1 Beta 4 January 12th just
3 days after the release of Beta 3. 
Both developer and Public Beta 4 has been released.
So look like a sprint to the finish line. 
Beta 4 was released late in the day, normally it is
released around 10AM PST but Beta 4 was released
around 1.30PM PST. Not often that happens.

But lets hope Beta 4 is the fastest version of iOS 10.2.1 yet.

Lets check and see if there are any change in performance

Music credits :

TRACK 1:
Heuse & Zeus x Crona - Pill (feat. Emma Sameth) [NCS Release]
https://www.youtube.com/watch?v=CLiXUT3MS34

Heuse
Ô https://soundcloud.com/heuse
Zeus x Crona
Ô https://soundcloud.com/zeusandcrona
Emma Sameth
Ô https://soundcloud.com/emma-sameth
Ô https://www.facebook.com/emmasamethmu...

TRACK 2:
Culture Code - Make Me Move (feat. Karra) [NCS Release]
https://www.youtube.com/watch?v=vBGiFtb8Rpw

Culture Code
Ô https://soundcloud.com/culturecode
Karra
Ô https://soundcloud.com/iamkarramusic

TRACK 3:
Alan Walker - Force [NCS Release]
https://www.youtube.com/watch?v=xshEZzpS4CQ

Alan Walker
Ô SoundCloud https://soundcloud.com/alanwalkermusic

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