If you're one of the last million Nextel customers still on the network, it's time to look elsewhere.
The charge is apparently designed to encourage customers to upgrade to Sprint's CDMA push-to-talk service before iDEN is phased out next year.
While the carrier has no plans to bring back the push-to-talk network, the Nextel brand reportedly will be attached to "premium" services aimed at business customers.
Carrier, meanwhile, is preparing for its move to 4G LTE with multiple devices, and says performance for the network exceeds expectations.
Pushing forward with its LTE 4G upgrade, Sprint will recycle iDEN push-to-talk spectrum.
Company wins top spot in survey ranking the nation's four major wireless carriers in terms of in-store and online purchase experience. Sprint, which fell to third place, had been No. 1 in the survey previously.
CEO Dan Hesse also notes that customers are seeing LTE in cities that haven't been officially announced yet, such as NY, SF, and Washington, D.C.
A Sprint representative tells CNET that customers may see pockets of coverage appear and are welcome to use the network before it officially launches.
The wireless carrier said 4G LTE will show up in smaller cities like Branson, Mo.; Oxford, Miss.; and Paris, Texas.
The smartphone maker, which was this year acquired by Google, will cut more than 500 jobs and shutter offices in a bid to claw its way back into profitability.