"Verizon recently announced that only approved devices will be activated on the VZW network beginning June 24, 2014. This affects all wholesalers in the Verizon world—including devices that are “talk and text only” devices. Each Verizon MVNO has their own list of devices which have been approved, and there is also a process to add a device(s) to the list. Verizon is grandfathering existing end user handsets that are currently active on the VZW network, but with some important points:
If the device requires a change of MDNs, the device will be subject to the requirements of the Network Device policy.
If an ESN change is required, the new ESN must be associated with an approved phone, and the ESN must be in the VZW database as “accepted” in order to provide service to the handset.
The inventory must be certified, with ESN list provided to VZW, by a VZW-certified wholesale house, who will be certifying that the software in the ESNs provided is the same as the device that was tested and approved in the VZW laboratory."
I haven't seen the rumored announcement and dealers for other Verizon MVNOs don't seem to have been notified of any change in BYOP activation procedures.
If this rumor is true, it means that it will no no longer be possible to activate Sprint, U.S. Cellular, Cricket, MetroPCS, etc. phones on any Verizon MVNO including PagePlus,
Although the "announcement" quoted above seems to imply that even Verizon devices must be certified as approved for use on a specific MVNO, that seems impractical to implement, especially on such short notice. I suspect that clean-ESN genuine Verizon phones will be automatically approved for all MVNOs. The certification by a VZW-certified wholesale house requirement hopefully only applies to non-Verizon phones that have been commercially re-manufactured with the original phone software replaced by Verizon software, something that's possible with many non-smartphones and a few smartphones.
Currently active non-approved phones will be grandfathered and will continue to work provided they remain continuously activated on the same phone number (MDN). Switching from a grandfathered device to an approved device and then back to the grandfathered phone will fail as will doing an "ESN reset", which is sometimes required to fix data issues.
BYOP, including activation of non-Verizon phones, which requires "flashing" the phone with Verizon specific settings using specialized software, has been a part of the Verizon MVNO scene for as long as I can remember. Flashing has gotten a lot more popular lately because it's required to make Verizon LTE phones work on MVNOs as 3G only devices. It's just as easy and in many cases even easier to flash a non-Verizon LTE phone as a Verizon one.
If there's a silver lining in all of this it's that it may be a precursor to Verizon finally allowing Verizon LTE phones on MVNOs without flashing. Flashed phones are fragile and the user must be careful to avoid things like OTA updates, factory resets or phone number changes which can all "break" the flash. I think being able to use modern LTE phones on Verizon MVNOs without jumping through hoops would be worth losing the ability to flash non-Verizon phones.
Update 5/27; I've heard from a couple of Selectel dealers that I left out the first paragraph of Selectel president Matt Ofalherty's Facebook post quoted above. The missing part reads
"One of our dealers sent this to us today....it does not affect us since we are on postpaid however it may affect some of you that offer other providers"
That introductory paragraph, was missing from initial second hand report of this "announcement" that I saw on HowardForums. Ofalherty's introductory paragraph makes the rumor less credible. Apparently the announcement of the BYOP policy change isn't something that Verizon notified Selectel of directly. Instead it comes from a Selectel dealer who got it from some unspecified source!
It seems unlikely that Verizon would reveal an important policy change like this to a single dealer rather than to the management of all Verizon MVNOs. I also have a hard time believing that Verizon would exempt one small MVNO, Selectel, from this change. That would give Selectel a huge advantage over other Verizon MVNOs, which would be unfair and very difficult to justify to trusted partners like PagePlus which has been a Verizon MVNO for over 20 years.
Update 5/29; PPC_Rocks, who is PagePlus' Marketing Manager Denny Scher has posted on Kitty Forums that: