The WIFI channel width

Hello

I use an iPhone 6. To improve data transmission, I set my router / Repeater for a wifi channel width of 40 MHz to 2.4 GHz. PC and portable that can use this channel without setting width. My iPhone doesn't work. Are there opportunities to set the iPhone to the 40 MHz channel width. So far I have not found any setting.

Thanks in advance.

ervau

iOS is 9.3.2

Tags: iPhone

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