How do I go from J7 crown to A11

[Android Central Question]

I tried taking SIM card out of J7 and put in A11 and jow neither phone works!!!

 

[mustang7757]

What carrier?
You tried rebooting the phone after putting the sim card in ?

I'll leave a Link to register so you can communicate here as a guest account you can only post questions but can't reply

https://forums.androidcentral.com/showthread.php?t=409154

 

[B. Diddy]

Welcome to Android Central! Are you certain the new phone supports your carrier's network bands? Is the new phone completely carrier-unlocked, or was it originally from a different wireless carrier?