[Q] Bell GS2 won't switch to 3G or EDGE - Galaxy S II Q&A, Help & Troubleshooting

I have a Bell branded and rooted Galaxy S2. I noticed that the phone will not switch away from H+ even when it has no bars. I have tried turning off HSDPA completely by using the *#301279# - Change HSPA revision method to no avail (it actually doesn't seem to do anything at all, the phone still shows H+). I thought that I might be able to get the phone to switch by setting it to only connect through GSM in the Network Settings, when I did this, the phone got 5 bars of connection but it would not make any calls and said I had an "Unrecognized SIM" and would only allow Emergency Calls. My question is this:
TLDR: is there any way to fix this issue and get my phone to switch to 3G or EDGE when a strong H+ connection is not available?

Are you using a Bell SIM card? Bell doesn't have a GSM or EDGE network so it is probably connecting to the Rogers network. My Bell service has roamed on that network, but only when a Bell signal isn't available. If you're in an area where Bell has service, it probably won't let you roam, giving you the unrecognized SIM message.

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Network realted question. Please help!

Howzit guys,
I brought a HTC Aria in the USA on AT&T network. I came back to SA and rooted my phone put Android v2.2 on (phone came with v2.1) thinking that would unlock the phone, but it didn't. I ended up looking on the net for a website that I could get an unlock code for my phone. Long story short, I found one, paid for it and it worked. I'm using the phone on Vodacom no matter what I do I can't get 3G or HSDPA to work, only GPRS. HSDPA and 3G work fine in the states.
After doing some research I noticed that in the Mobile Network settings on the phone there is 3 options under Network Mode:
1. WCDMA only
2. GSM only
3.GSM / WCDMA auto
Now from what I've seen I need to use WCDMA to get the 3G / HSDPA to work, but when I select option 1. I don't get any signal and then phone eventually switches to GSM automatically. I was at work on the weekend helping a customer with her laptop and she had a 8•ta 3G modem, and 8•ta 3G modems are currently running off of MTN's network I was told this by an 8•ta technician and I noticed when connecting the modem it said something regarding WCDMA.
So now my question, if I change to MTN do you think I will be able to use 3G / HSDPA on my phone?
Any info regarding this will be greatly appreciated.
Thanks
The American version of the Aria uses different 3G frequencies (because that's what AT&T uses), so unfortunately your phone will not work with 3G in South Africa. There is a different version of the Aria (called Gratia in most regions) that is the exact same phone except it supports the correct 3G frequencies for your country, but there's nothing you can do with the phone you have now to make it work.

Got any airtel 3g hack ????

does anybody got a new hack for airtel network ???
what hack???
I'm guessing he wants to enable a normal 2G internet plan on his network for cheap, but use it in 3G by switching to 3G mode. As far as I know, with Airtel the only time I've seen this work is with my friend's AT&T Galaxy S2 unlocked from the US. It's a 4G phone and it doesn't have the usual 'GSM only', 'WCDMA only', 'GSM/WCDMA auto' modes under network settings. So when he recharged for a 2G pack, the phone connected to Airtel's 3G network and displayed a 'H+' symbol in his status bar. He gets 3G speeds quite a few times but sometimes it becomes as slow as 2G. I haven't seen this work on a normal phone bought in India.
I used to get 3g speeds on 2g internet pack from airtel.I always keep the network mode to wcdma.
But sometimes i also get very low 2g speeds.
All this on my old samsung galaxy s
sashank said:
I'm guessing he wants to enable a normal 2G internet plan on his network for cheap, but use it in 3G by switching to 3G mode. As far as I know, with Airtel the only time I've seen this work is with my friend's AT&T Galaxy S2 unlocked from the US. It's a 4G phone and it doesn't have the usual 'GSM only', 'WCDMA only', 'GSM/WCDMA auto' modes under network settings. So when he recharged for a 2G pack, the phone connected to Airtel's 3G network and displayed a 'H+' symbol in his status bar. He gets 3G speeds quite a few times but sometimes it becomes as slow as 2G. I haven't seen this work on a normal phone bought in India.
Click to expand...
Click to collapse
Yeah i was also having 3g speed with 2g plan ! with samsung s2
now i am not at all getting it
but my friends are getting it still now with airtel 2g plan !
pls somebody help me with a trick
thnaks

[Q] Roaming Network Problem

Hi,
i have Motorola Photon rooted and unlocked, i live on the border with Mex also i have this phone with a Mexican Telcel SIM Card, works perfect on Mex, but when i back to USA i lost the Mex network and the phone start to search for networks and i just see Sprint network, but i can't receive or made phone calls on sprint network roaming, if i remove the sim card and put the sim on my HTC i can see more networks, sprint, AT&T, verizon, etc and i can go in to roaming and works perfect, i can made and receive calls on roaming, but if i back the sim to the Photon i just find a sprint network only and the roaming service not work..
what can i do to see more networks on my photon?? i need receive calls from mex on this phone..
thanks in advance
You need to flash the kddi radio. That should fix your roaming issues. After that you need to set the mobile network to GSM only
Sent from my smoothly stable CM7 MoPho

Rom change for faster internet

I have a Htc desire, the original. Originally its unlocked from purchase and its from the UK, I have now traveled abroad to Canada and got a plan with data, but the fastest connection I can get is 'E' edge. In the UK it was atleast 'H' hsdpa. I thought it would be the APN setting that were not correct but I have tried everything I can find and still it only connects to Edge. I recently went back to the UK and it went back to a hsdpa connection. Is this something to do with frequency or a rom change that can help me connect with hsdpa in Canada. I asked this question here as this may apply to all phones and not just my htc desire.
Did you try to manually switch to 3g? It's under mobile networks in settings.
life!
If you mean Network Mode and then switch that from GSM/WCDMA from auto to WCDMA, I tried that, it loses connection to the network operator and just stays like that until I switch it back.
digo21 said:
I have a Htc desire, the original. Originally its unlocked from purchase and its from the UK, I have now traveled abroad to Canada and got a plan with data, but the fastest connection I can get is 'E' edge. In the UK it was atleast 'H' hsdpa. I thought it would be the APN setting that were not correct but I have tried everything I can find and still it only connects to Edge. I recently went back to the UK and it went back to a hsdpa connection. Is this something to do with frequency or a rom change that can help me connect with hsdpa in Canada. I asked this question here as this may apply to all phones and not just my htc desire.
Click to expand...
Click to collapse
The carrier you use probably has HSDPA on the 850/1900 frequency, and the HTC Desire you bought in Europe is likely 900/2100. So no, you won't get HSDPA in Canada.
For verification, what carrier are you using in Canada?
I think you can't get faster Internet, because of the different frequencies.
Try to exchange the phone and get one that also works in Canada.
Im using Fido in Canada.

Help with International Roaming and/or Simcard

I am traveling in Asian and my phone won't connect to any local carriers for roaming at all. It just says no signal at all times. I have enabled roaming access and played around with network mode to no avail. Network search does show a bunch of local carriers. Was I supposed to contact Verizon when I was still in the States to allow international roaming?
I have also tried a local prepaid simcard and the result was the same -- no signal and no connection. I thought all Verizon phones come sim unlocked?
Any help would be much appreciated. Thanks in advance!
Yes you have to turn international roaming on through verizon

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