t-mobile iphone 4s reception

[Diok_Mhf]

woked up this morning getting two signal bars on iphone 4s t-mobile.. any one else experiencing signal problems.. usually is all 5 bars all the time for me

 

[Jake90087]

Re-start your phone. Remove sim and re-insert. Chances are a tower is down in your area.

 

[Vanti]

Where exactly do you live, and do you experience low reception when inside malls or stores?