Once you flash a phone to pocket, can you reconnnect it to sprint?

[Timthedude]

Um. If you got an official rom, then once your SIM card is inserted, It should auto connect to your carrier. If not, it may be like my Windows Mobile phone. you need to flash the rom WITH the file that tells your phone it's IMEI

 

[Adrian]

i have a phone from sprint but i flashed it and want to know if you can reconnect it to sprint