[quote=alf233,Dec 13 2012, 10:29 AM]
Yes you're right.. But you still need the SIM:
1. If I remember correctly, you'll need 128k or higher SIM in order to get LTE. So if your current 3G sim is 128k, then you can use the existing SIM and dont have to change the SIM. (I dont know why 128k, it's probably stated in the standard specs)
2. SIM contains the subscriber identity. The identity needs to be provisioned in the core network in order for you to access the LTE network. So you still can't connect to Celcom/Maxis/Digi/etc LTE network if you have LTE-capable SIM, LTE-capable device & LTE-capable tower. You'll need to get the operator to provision their core network to allow your SIM first
Yeap, correct. Provisioning is done automatically once you insert the SIM card into your phone and switch it on. If you are currently holding to a 2G SIM card, you will need to change out to 3G SIM card. For existing 3G SIM card users, you will not be required to change out your SIM cards to enjoy the 4G/LTE speeds.
Added on December 13, 2012, 11:17 am[quote=fat16,Dec 12 2012, 09:09 PM]
last time celcom 2G to 3G have to go to service center to upgrade sim.
last time digi 2G to 3G have to call digi to enable 3G.
forget with maxis.
Meaning u need 4G enable sim card before able to see 4G LTE network. I think u can borrow sg friend 4G sim ?
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A 3G SIM card is all you need. Currently, there is no 4G SIM cards in the market yet. 4G/LTE is just for data connection only, thus, when you receive an incoming call or make an outgoing call, you will actually realise that the connection speed will change back to 3G. Once the call has ended, it will take awhile before it hooks back onto the 4G/LTE network connection.
This post has been edited by DrPitchard: Dec 13 2012, 11:17 AM