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I8UB4 · **SIM Card during OS upgrade -** 06-13-2008, 12:05 PM

Does the SIM card need to be in the phone when upgrading the OS to 4.5? Since it seems to take a while, I thought it would be good to put the sim card in another phone so I can receive calls during the upgrade.

I8UB4 Offline Thumbs Must Hurt Posts: 164 Join Date: Sep 2006 Location: Santa Monica, CA Model: 8900 Carrier: T-Mobile	SIM Card during OS upgrade - 06-13-2008, 12:05 PM Does the SIM card need to be in the phone when upgrading the OS to 4.5? Since it seems to take a while, I thought it would be good to put the sim card in another phone so I can receive calls during the upgrade.