[Q] No 3G network can be seen

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I used the unlock code to unlock my D2G and I am in Hong Kong using a local gsm sim card (PCCW 3G). But I can find only 2G network using 'Search networks' function. My setting is GSM/UMTS - Automatic. I have tried other phone using the same sim card and it can find 3G networks. I have typed *#*#4636#*#* and select radio band to USA band (in Phone info -> press menu button -> Select radio band -> USA Band) and it don't have any option for me(other than USA Band). I can see 3G network before and it seems to this problem appeared after I made the USA Band setting in *#*#4636#*#*. What's wrong with my setting? Can anyone help? Thanks a lot.

The problem is that you cant use the USA bands over there and the 3G frequency that they use is probably not supported by the phone

Phone has 850/1900/2100 bands. I am pretty sure Hong Kong uses 2100. So band should be supported. However, I know many providers limit some type like prepaid sim's to 2G. Maybe this is the case? Do you get 3G in another phone with the same SIM?

Sent from my DROID2 GLOBAL

I have tried other phone with the same SIM and some 3G networks can be seen. Thanks for all your replies. Any suggestion for the setting? Thanks.

Which operator/network is the sim from?

Sent from my DROID2 GLOBAL

Actualy, D2g has a very poor signal of 3g. It's because of the original rom whivh customised for using in us. You will have beter signal and battery life if using fission rom.

The SIM is from PCCW mobile (Hong Kong). I have made the same setting again (*#*#4636#*#* -> Phone info -> press menu button -> Select radio band -> USA Band) and no more network is available now (even 2G network). So I think the setting blocks all the network other from USA radio band. But how can I set it back? Help!!!!

I hate to say it, but an SBF might be your only option...
So, as of right now, your phone can see NO networks, or just no 3G networks?

My phone CANNOT see any network right now.

Hard reset it.

Sent from my DROID2 GLOBAL using XDA App