GLONASS is built into iPhone 4S
iPhone 4S - Technical Specifications
The GLONASS system, as of October 19, 2011, includes 28 satellites, of which 22 are used for their direct purpose.
The GLONASS system, as of October 19, 2011, includes 28 satellites, of which 22 are used for their direct purpose.
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Source: https://habr.com/ru/post/130750/
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