How do i check if my phone is locked?

alex9106 wrote:
How do i check if my phone is locked? Is there a way via software? Instead of using another SIM?

It may be possible with hardware like a JAF box, but not with software alone, as far as I know.

Apart form that, simply try another network's SIM in the handset - if SIMs from 2 different networks both work, then it's unlocked.