does different sim card will different drop of battery?

no, but something is not right with your iphone. Try to update or restore the firmware! Btw if you have google exchange set ul I would recommend removing it cuz contacts always fetch for no reason and loose battery life.

 

After your restore, did you set up your device as New or from a backup?

 

You said it drops 1% every 2 mins, but how long does it actually last you from 100%-1%?

 

Perhaps because with t-mobile the iPhone is constantly searching for 3G but can never get any?

 

try to turn cellular data off?'

 

Sounds like your TMobile signal is poor. The phone will use more power to hang on to a week signal.

 

bad signal can affect battery.

If it stays at 100% for a couple few hours then starts dropping battery signal, then it sounds like the battery % is not reading out correctly.

Try draining your battery until it shuts off, then plug in and charge to 100% and leave it charging for another couple hours after it's full. Some say this will 'calibrate' your battery read-out. Not sure if it really works but you can try.

And btw, if your battery stays at 100% for 3 hours, then drains 1% every 2 minutes, thats still over 6 hours of battery life with the screen on. Which is not great, but if the screen is at full brightness and you are running apps or browsing/transferring data over 3g.... not terrible depending on what you are doing with it.

Have you tried to see how long it actually takes to drop to 0%?