HTC One can't inbox on facebook while on mobile intenret

[Phen0mable]

I can't inbox anyone on Facebook app when on mobile internet... I can inbox when I login on browser and I can inbox on app when on WiFi ....
Tmobile UK 4.3 5.5 htc sense Notice that first time on Saturday morning... I reset a phone and it didn't help .. I also poped in other simcard with same result ....

 

[Phen0mable]

I think I find a problem. I downgraded app to 3.7 and I can inbox. All seams to be fine