Sprint operated the two networks in parallel until finishing a migration of its area customers to the CDMA network.
I've never used a CDMA network so I don't know where you're coming from.
The plans include serving fixed wireless and broadband services on the CDMA network.
Verizon's CDMA network can't do voice and data at the same time on any hardware.
In 2007 they began launching data services on a CDMA network.
The CDMA network remains available for customers with legacy devices.
Similar systems by Bell in the past used the phased-out CDMA network.
Enabling wifi radio while using CDMA network makes the issue more frequent.
"CDMA networks do not offer the ability to place a call on hold," Apple writes.
There is no way to unlock this device for use on other networks besides the specific CDMA network for which the phone was built.