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Does iPhone X support 4x4 MIMO and 256 QAM?

Myo Thein Oo

Myo Thein Oo

macrumors member
Original poster
Aug 7, 2016
30
4
Yangon, Myanmar
I am from Myanmar. My carrier Ooredoo Myanmar is currently upgrading their network to LTE advanced pro using 256 QAM and 4x4 MIMO technology. And I am thinking of upgrading to iPhone X. But Apple official page doesn’t specify whether it supports 4x4 MIMO or 256 QAM in detail. And it simply wrote support for LTE advanced. Does someone know if both technologies are supported by iPhone X?
 
No it does not.

Those features you describe are not enabled in the iPhone X modem.

256-QAM needs a cleaner signal from 4x4 MIMO antennas. The current iPhone X chassis does not support 4x4 MIMO antennas but it will be redesigned next year to enable support.
 
JPack said:
No it does not.

Those features you describe are not enabled in the iPhone X modem.

256-QAM needs a cleaner signal from 4x4 MIMO antennas. The current iPhone X chassis does not support 4x4 MIMO antennas but it will be redesigned next year to enable support.
Click to expand...

This year iPhone Xs supports 4x4 mimo and LTE-U but Apple doesn’t mention 256QAM?
 
Myo Thein Oo said:
I read that both intel and Qualcomm modems support 256 QAM
Why can you say ‘No’?
Click to expand...
The Qualcomm modem in the X was capped in order to match the performance of the Intel modem last year. You can search it and find many articles based on this. It's limited to 2x2 MIMO.
 
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