First thing you need to check if you want to keep your phone and switch to a new carrier is the type of phone you have - GSM or CDMA
All T-Mobile and AT&T devices are compatible with one another when you switch carriers. They both run off the same software technology, GSM. GSM devices are compatible across the board.
All Sprint, Verizon and US Cellular devices are not compatible with one another when you switch carriers. Even though they run off the same software technology, CDMA, they are still exclusive with themselves.
You may be able to switch carrier and keep your existing Sprint phone but you need to check with Sprint first
To use our BYO search, click the links below for the relevant BYO plans for your phone type
Some devices that are compatible with every service, no matter CDMA or GSM are devices that have recently come out, within the last year and a half. Phones like iPhone 6, 6+, 6s, 6s+ that are compatible with 3G and 4G LTE speeds or Samsung Note 3, Note 4, s5, s6 that are compatible with all 2G service speeds. The Google Nexus 5, 5x, 6p, 6x is also compatible with all carriers that run 3G and 4G LTE speeds.
This list of compatible phones wired with both software's is only growing with new devices coming out and more people wanting to switch carriers. These are just the devices we have figured out thus far.
Click the links below to see specific Bring Your Own Phone plans for each type of phone: