force android to use only 3g network

NOTE :- this thread is NOT for those ..whose mobile is having inbuilt use only 3g mode..
rests have a look on it..
Lengthy description but worth it
Your android phone is capable of
intelligently switching between 3G and
2G depending on the signal strength. But
it’s not doing it in a smart way. Think
about a situation where you have very
strong 2G signal and very poor 3G
signal. In such case your phone will
choose 2G network.
But by experience you know that poor 3G
signals could give you much faster
connectivity that very strong 2G signals.
In such a case it would be really great if
you could stay on 3G network regardless
of poor signal. I was going through
Android menu looking for that option.
But it wasn’t there. There you have 2G
only mode, but not 3G.
It’s because this option is not there in many android phones...though some may hav it as an inbuilt option
There are several apps to lock
your phone on 3G networks. But answer
is in the box, menu is hidden. Here is
how to find it.


only for those people whose Mobile doesnt have an inbuilt option to use only 3g mode


Access Android Testing Menu
1) Go to Phone and type *#*#4636#*#*
2)It will open the Android testing
menu.
3)There you have several category of
information. Tap in phone
information .
4)Scroll down there and you can find
set preferred network type.
5)Set it to WCDMA only , same as in
HSDPA USB modem.


Now your phone is in force 3G mode.
It will never switch to 2G.

The problem is solved and we just forced
Android to use only 3G. But Remember,
in a situation where you don’t have 3G
signals at all, you will be totally cut off
from data networks. In such case if you
need to use 2G EDGE connectivity, set
preferred network type back to “WCDMA
preferred”. If you restart your phone
this setting will go back to default.












check screenshot and den only comment dat its nt usefull fr 4.2 n all becoz m using 4.2 version only