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Very poor support for T-Mobile 5G

Star I

Does the Zenfone 9 officially "support" T-Mobile 5G?  I believe the answer is NO, and that's why 5G is disabled by default.  With 5G enabled on my phone, I frequently encounter a complete lack of mobile data, even though the phone is showing full signal.  I believe there are certain carrier aggregation combos....that the phone is using, that T-Mobile doesn't support.

Users on Reddit have noted that the following two 5G CA modes do not work on this phone:

* n41 NSA

* n41_n71 SA CA

It seems like if you're going to try to use this phone on T-Mobile you NEED to disable 5G.  Can Asus confirm this (so I can go ahead and return my phone)?


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