Originally Posted by AndyYan
Bump in vain. I guess I'll be selling this phone if the issue is really within the phone itself...
Sent from Samsung Galaxy Nexus @ CM11
I would try going back to china unicom with both sims and ask them what's going on. The phone is obviously unlocked and working if one of your two sims is functioning... it may be rare but they could've given you another faulty sim
Also, don't use wcdma. It does nothing for our phone
Sent from my Galaxy S Relay
Androids since September 2010
Cliq, 3G Slide, G2, 4G Slide, Captivate Glide, Galaxy S Relay, Droid Razr M