Can old GPP sim can be used

[mohanakrishnamachha]

hi i just bought iphone 4s sprint unlocked with gpp(t-mobile) and i reset the phone settings and now im unable to register on to the network..please help me in this thing...
thanks in advance

 

[Just_Me_D]

Please be patient while awaiting a response to your question. Your previous thread as a guest was removed from view. As soon as someone who can best answer your question is online, your post will be addressed. We are all volunteers and have other commitments outside of iMore so again, please be patient. Thank you...

 

[mohanakrishnamachha]

hi actually when i posted through guest i haven't seen my post so again i registered as user and posted...thanks....