I have a Samsung Omnia i900 (XCHG5 updated to the latest J2 firmware - Portugal).
Everything works perfectly except that it doesn't switch automatically to 3G when 3G is available. It just stays in "Edge" mode all the time. If I select WCDMA in the Band selector, it will use 3G but not Edge, of course. The Auto mode seems to not work.
Here in Brazil I'm a subscriber of "Vivo" which uses the 2100MHz band for 3G.
What I tried:
*#1546792*#
and select WCDMA first in the Network order. It keeps the same behaviour. The Auto mode just chooses Edge, even when 3G is available.
Any hints? Has somebody experienced the same issues? Or does your Omnia switch between 3G and Edge without problems?
Thank you!
Well, this is really strange, but I installed Bandswitch:
http://www.smartphonemag.com/cms/blogs/3/tutorial_quickly_switch_between_3g_umts
and it doesn't work. Then I removed and restarted the mobile. For my surprise, now it's with the correct behaviour... First it tries 3G, then Edge... and switch as expected...
Whos knows if Bandswitch did something to Windows Mobile? I don't know... Anyway, I'd like to register it in case someone has the same problem.
SOLVED!
After many attempts, I finally solved this. If someone has the same problem, I'd like to register the solution:
1) type on the phone: *#197328640#
2) [1] Debug Screen
3) [8] Phone Control
4) [7] GCF Test Mode
5) [1] GCF Test Mode
5) [2] WCDMA R5 - HSDPA only
6) BACK and the option GCF Test Mode must be [ON].
I tried it for Rogers - still no 3G I guess it does not really switch bands, i.e. still tries to finds 3G on 2100, not 850/1900...
Anyone succeeded?
comer said:
I tried it for Rogers - still no 3G I guess it does not really switch bands, i.e. still tries to finds 3G on 2100, not 850/1900...
Anyone succeeded?
Click to expand...
Click to collapse
If your Omnia is from Europe, it will just work at 2100MHz, not 850MHz for 3G.
The american one will work only at 850MHz 3G.
Hello Dâniel Fraga,
I have the same issue with my Omnia. I also use Vivomad in Brazil.
I was trying your solution with *#197328640# to access the Root Menu. I don't know why but this code do not work for me. When I try I receive a message "Failed". Can be because the ROM I am using.
Do you know another way to access the Root Menu?
Thanks for the help.
is really useful for me
After some time I was able to access the menu that Daniel said, but the procedure did not work for me.
praico said:
After some time I was able to access the menu that Daniel said, but the procedure did not work for me.
Click to expand...
Click to collapse
Hi praico. Did you find the "GCF Test Mode" option? It must be turned to "on".
Dâniel Fraga said:
Hi praico. Did you find the "GCF Test Mode" option? It must be turned to "on".
Click to expand...
Click to collapse
Yes Daniel, I found that and it is turned on. It is really strange, sometimes it seems to work and sometimes not. I will test it more and I'll let you know.
Thanks for the help.....
Hello Daniel,
Can I make another question? Are you able to make a call when your omnia is in EDGE? Today I found out that mine does not work. Even with a very good EDGE signal my call never complete.
Thanks for the help.
After struggling all the weekend with this problem, I found a solution:
Cause:
Had a flashed ROM of the i900 (the phone part of this ROM seeks only 3G at 2100mhz)
Solution:
Flash the Phone part only, extracted from a i900L ROM (which works at 850/1900mhz)
Now I got my 3G signal back
This is the Phone.bin I used: http://www.megaupload.com/?d=ERQ6368K
would you be able to tell me how to ''Flash the Phone part only'' i'm a newbie
thank you in advance
Don't worry it's working now.
Thanks a million for the solution.
i have a same problemç my phone is toshiba g500 wm5.0ç please help . i select "auto" in mode selection(in 3g area) but i get Edge alltime..
Omnia in 850 Mhz band
I think my Omnia is only for 3G 2100 MHz and in my country we have 3G 850 MHz is there any way to make it work???
flash the phone
I have the same problem I have the phone only searching for 3G 2100 and I need it to look for 850, I downloaded the file mentioned, how do I flash ti as you mention???
Hi all,
I use samsung devices for last 2-3 years and never seen such an issue. Network mode is set into WCDMA/GSM (auto connect), but the phone only downgrades from WCDMA to GSM, but not vice versa. So it stucks in edge mode with crappy network speed, the only way to force it back is to reboot the device or force WCDMA modem then it shows proper H+ icon and it works way better. But after some period of time when signal will go lower it will switch to 2g mode once again and never (or just with a huge delay, I waited for an hour) switched back to 3g.
Will appreciate any advices.
srezzz said:
Hi all,
I use samsung devices for last 2-3 years and never seen such an issue. Network mode is set into WCDMA/GSM (auto connect), but the phone only downgrades from WCDMA to GSM, but not vice versa. So it stucks in edge mode with crappy network speed, the only way to force it back is to reboot the device or force WCDMA modem then it shows proper H+ icon and it works way better. But after some period of time when signal will go lower it will switch to 2g mode once again and never (or just with a huge delay, I waited for an hour) switched back to 3g.
Will appreciate any advices.
Click to expand...
Click to collapse
Hello.
Sorry to reply to an old topic. I have the exact problem. I have a note 3 n9005 and when the network mode is WCDMA/GSM or LTE/WCDMA/GSM, my phone stays on GSM often. 3G signal is good in the area, and when I check my friends' phone, I see they are on 3G network but mine is on 2G.
When I choose WCDMA Only, phone registers on 3G network and works without any problem. But switching back to auto connect, cause the phone to register on 2G again.
Please help if you can.
Thanks in advance.
If data connection is on 2G gsm mode, and my frnds want to call me at that time my phone goes out of coverage for the callers.
but if I connected to net via WCDMA mode it doesn't happen...
plz give any solution and also plz tell me if its happened only to me or with yours phone also.
Hello,
I got a new Lg G2 D802 a week ago and have some srtange issues with it. Although my phone seems connected to my GSM provider about once a day i notice i cannot receive/make calls. Only thing to fix it is by rebooting the phone. It tried going in to airplane mode but it doent help and GSM signal still appears to be full while airplane mode is on. Basically its like i have no gsm signal but phone says its full.
This happens while i m sitting in my office with full GSM signal, another colleague next to me with the same device and provider never had this problem.
Has anyone else had this problem? Do you thing its a hardware or software issue? I tried searching for it but didn't find anything relevant.
Thanks in advance.
I also noticed in Settings the "Mobile Networks" option is grayed out when this happens
On my K3 Note, I can't pick preferred network mode on ANY rom/firmware.
I've tried everything, but it always sets the default preference which is 4G>3G>2G.
What I need though is permanent 2G and I can't set it this way. (4G signal is weak on my operator and then it keeps switching between 4G and 2G over and over)
Is there any way to entirely disable or block 4G on a phone so it will never set that mode again?
Any help would be appreciated!
Any help guys? No one knows what could be the issue?
I tried using the *#*#4636#*#* code and set the "GSM Only" but it still doesn't work.
Is anyone else having the same issue?
Edit:
Also what I've noticed is that while using CyanogenMod (atm), it stays on 2G until I turn the screen off. Then it goes back to 4G.
After turning the screen back on it then goes back to 2G again.
same problem here when dialling number it said invalid MMI code and when switching to 4g the other network appear no signal.. hope someone here have solution. i try several roms but same problem issue.
Well after a lot of fiddling, it seems it works on the stock firmware, but the mobile operator as himself has quite troubling network.
But I think we are slowly coming to a conclusion..