Re: Can the Verizon LG G2 be used on T-Mobile network?
The specs say: EDGE/GSM (850/900/1800/1900), HSPA/UMTS (850/900/1900/2100)*
*All listed frequency support is network/carrier specific. Roaming capability and network frequency support may not be available. Check with your network provider to see if and to what extent they offer support for this device.
So it sounds like a dual band GSM/CDMA world phone.
If it's unlocked (GSM) and you are in refarmed T-Mobile area you'll get 3G. If not you'll get 2G for data.It may be difficult to set the GSM up properly.
It's never a good idea to buy a CDMA/LTE/GSM phone from Verizon to use it on a GSM network. You are best off buying an unlocked GSM phone. That's just my opinion. I am sure other will have a different opinion.