FlyerTalk Forums - View Single Post - Is it possible to change T-Mobile Billing Date?
Old Sep 8, 2022 | 9:24 pm
  #9  
paperwastage
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Originally Posted by lsquare
Is the change instantaneous? I will change to Magenta Max depending on how the UA and TMO in-flight wireless partnership pan out.
Not sure?

The last time I made a change was a long time ago (increasing the data allowance when they throttled you after some point) . Going up was immediate, going down needed to wait for next billing cycle
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