A adeelkhowaja New member May 21, 2013 1 0 0 Visit site May 21, 2013 #1 HI guys, my lumia 900 is AT&T phone, and the location I am right now doesn't support this, my phone is unlocked, I was wondering that if ill update my phone will it still support other sim(s) like right now or it will get lock, please help:sweaty:
HI guys, my lumia 900 is AT&T phone, and the location I am right now doesn't support this, my phone is unlocked, I was wondering that if ill update my phone will it still support other sim(s) like right now or it will get lock, please help:sweaty:
W WorzelGummage New member Dec 30, 2012 1,057 0 0 Visit site May 21, 2013 #2 Updating the firmware will not re-introduce the SIM lock so you will still be able to use any SIM