Originally Posted by haveagr8day
Not sure about 4g, but if you are getting 3g and not h+, make sure that you are doing something that is actually using your mobile data. It will drop down to 3g when it is not on use to save battery.
Sent from my SGH-I747 using xda app-developers app
thanks, but the data was in use at the time, plus if I switch back to paranoid android Rom I am immediately in h+ when the phone boots. not to nitpick here, but h+ is a 4g technology, no?
---------- Post added at 08:58 AM ---------- Previous post was at 08:36 AM ----------
[updateQUOTE=rjvecchio;37937073]I have an issue where I am getting no 4g service after I flash this ROM, and sometimes no service at all where I should be getting service, it seems that the only type of service I can get is 3g. I have tested this by staying in the same location and starting my phone using paranoid android 2.55 and I get full H+, then change roms to Rootbox 3.6 and I get only 3g service. I also had Rootbox loaded when I went to new York city and got no service at all, tried restarting my phone and no service, tried activating airplane mode and deactivating it and nothing, then I changed back to ParanoidAndroid and full 4g. the apns all seem to be correct when compared to those of paranoid android. if I go into test mode (*#*#4636#*#*) the preferred network mode is set to lte/gsm auto (prl) and any attempts to change it instantly get reverted. the same issue exists using carbon dev, I have not tried any other 4.2.1 roms. any information on this world be very helpful as I very much like Rootbox and the new jellybean. on a side note, why does 4.2 sill go by jellybean?
Update: I tried JellyBam 5.2.0 and I get 4g connectivity and service on areas where titanic and carbon get none, but I can't use any of the dpi changing features, and I like erotic better. I am going to try posing my question in the q and a troubleshooting.