Database Users

Many issues: caused by UMTS

Can someone help me understand if this is a general JJ issue, or a function of the AKU 3.2 Rom Update 1.90.96 (Radio 1.13.00). It's not identified in that thread:
Many of my JJ issues have been solved by turning off UMTS until I need it. My battery improvement is negligible (when measuring mA consumption), but the following used to manifest due to the phone's inability to switch between GSM and UMTS elegantly:
Calls frequently go to v.mail
Dialing results in 'Dialing...' message with no connection - or even worse I connect and other party can hear me even tho I believe it's not connected
Dialing results in 'This operation not allowed' or something like that
Several other issues I forget
All this went away when I turned off UMTS. My understanding is that UMTS and GSM are completely different functions, and the phone sees a UMTS signal and tries to switch to that. Unfortunately it's too weak and the phone does not know to give up and go back to GSM/GPRS. After around 15mins of battling, everything goes tits-up until I reset.
Is this something that everyone with moderate 3G/UMTS coverage experiences? Or is this a ROM/Radio version issue?

I have a very poor UMTS reception in my house and have the same problems. I have tried different radio roms. My current solution is just using GSM at my home and only UMTS at my workplace..

my too...
my case is similar. I had with radio 1.09 and now with 1.13. looks is a problem when you move between zones with umts and other only gprs and the phone gets crazy. I think is related new speed available form umts (1,8 and now 3.2) that are producing special situation in the device.

Thaks guys - more helpful than you know: I was considering a re-flash, and my JJ is SOOO customised I would have written off a week getting it all back into shape. The HSDPA change may also explain why I didn't have this issue with the first JJ in country in January, but am definitely having issues now.

craigiecraigie4 said:
Thaks guys - more helpful than you know: I was considering a re-flash, and my JJ is SOOO customised I would have written off a week getting it all back into shape. The HSDPA change may also explain why I didn't have this issue with the first JJ in country in January, but am definitely having issues now.
Click to expand...
Click to collapse
If you reflash only your radio, you wont loose your data..

HSDPA/3G automatic switching

Hello,
I have just upgraded to the official GPS ROM and I am on the Swedish 3 operator. I have noticed since the upgrade that the network connection is switching from 3G to HSDPA when there is a demand of bandwidth or simply when there is data in either direction.
I can see that the purpose of this was to make it possible and more reliable to place and receive calls during data sessions. I have figured out though, that with the old ROM, there was no such switching (but there was no distinction with the icon, so you really had no idea) and the connection speed was always constantly 1Mbits/s when using Internet Sharing for example. Now with the HSDPA/3G switching/throttling, the connection often drops down to 3G speeds and Skype-calls are lacking quality from this a bit when using Skype in the car which i do quite regularly nowadays using my Jabra JX-10 headset.
I also realize that there is still a problem with outgoing and incoming calls during these automaticly switched-on HSDPA-sessions. That is probably why HTC has decided to keep the HSDPA sessions as short as possible, that's fine, but what boggles me is the algorithm used for the switching. It seems to always kick in HSDPA in the beginning of a new data session, and after a short time of inactivity (while pondering what favourite page to open this time) the connection drops down to 3G and it won't kick back to HSDPA even when you start browsing again, until a certain period of "non-HSDPA-ratio" has been reached and the phone thinks it would be OK to kick in the highspeed again for a little while.
I also noticed that using Skype would keep HSDPA alive once you place a call from a fresh started data session and keep talking ;-)
This is not a particular problem to me, I was just wondering of anyone else here has noticed and had an idea of what the programmers had in mind?
BTW: I am running TomTom 6.010 and Franson GpsGate on the machine now and it works absolutely like a dream. I used to have a Blue-I Bluetooth GPS in the car (Trimble based chipset, only 8 channels but quite OK piece of hardware) but this is far superior when it comes to HOLDING a persistent fix also when moving indoors. The TTFF is quite fast as long as you are outdoors, most of the time i have a fix before i leave the parking space. I noticed there being a dynamic number of satellites of the receiver, sometimes i see 7 out of 8 satellites, and then sometimes i see 10 out of 12! Anyone noticed?
Thanks in advance! Cheers...

It’s not your phone that decide to change from HSDPA mode to normal R99 (384kbits) mode and vice versa. Everything are always controlled by the network. The behaviors that you describe are normal. Besides the HSDPA is quit new for the operators and new parameters needs to be tuned for best performance for every users.
BTW, the degradation that you notice. You are not alone that use HSDPA.... Its finally the big success for 3G

I use Phone Alarm profiles and BandSwitch to control my connection based on business hours. I get a poor singal unless on 3G where my office is located. I force it to GPRS otherwise to save battery.

I have similar problems, cannot receive or start calls when HSDPA connected. Shouldn't that be possible anyway, calling and transferring data at the same time? Or is this a network provider problem?

I too am on the Swedish operator 3. I have an unlocked, non-operator distributed HTC TyTN that I had updated the radio to 1.40xxx and the ROM to Black Dymond 3.5 and was having the exact same problem. I could reproduce the incoming call not getting through error every single time I got the phone to go into HSDPA mode.
After some initial searching I read somewhere it was network dependent (Nokia switches vs Ericsson) and the only way to solve it was to disable the HSDPA using e.g. HTweakC, which I did and it solved the problem, but then of course I couldn't take advantage of the high-speed data access, which was the major reason I got this phone.
I recently noticed that 3 released a new extended ROM with instructions to update the ROM to the latest (as is available on the ftp here) then install their ExtROM. I went to the trouble to try and breakdown what was in this extended ROM, but being a newbie to pocketpc it was all hyroglyphics to me, so I went ahead and installed it over my old HTC ext ROM (which I saved for later use just in case).
When I get around to it I may mount this extended ROM here (I have it, but don't have too much time to put it up right now, so someone may beat me to it).
Anyway, Black Dymond 3.5 didn't install the Extended ROM after a hard reset (assuming that was the intention), so I did it myself afterwards. One initial bug that showed up quickly was the Comm Manager not wanting to start saying it would only manage a max of 7 items (whatever that means). So I installed Schaps latest Comm Manager and it worked fine.
Well, guess what, now there's a daemond that starts on boot and the phone app is different (another bug is that the text on the phone app buttons remain in the 3 theme although I changed back to black, but that's minor), but now I cannot replicate the no incoming calls during HSDPA error.
Apparently they've added something that makes the phone connect properly to their 3G/HSDPA network for call handling. Now I've got full HSDPA speed and no problem on incoming calls (plus still have Black Dymond's great VOIP/SIP WM6 solution).

Ok, as a noob I of course missed the fact that the daemon starting at boot is Voice Commander. Still the actual phone app/dll is somehow different with this ExtROM and it's solved my problems.

Battery Draining

Hi All!
I have a Diamond 2 I bought 2 months ago.
I tried many roms lately but with most i cannot get more than 15-17h Battery
I dont talk much on the phone...i dont really surf from it...i just have my hotmail linked in it.
I recalibrated the battery on last flash still the same. I am using Nhaohoa rom (build 23529), i m using radio 4.49.25.91. I dont use wifi.
Which consumes less power? 3G or HSPDA? or?
Any can suggest a different rom that is very fast and stable and can give better battery time?
Thanks!!!
(sorry for posting it before in the wrong section)

youngmann said:
Hi All!
Which consumes less power? 3G or HSPDA? or?
Click to expand...
Click to collapse
I cannot give you general information for your other questions, but afaik, 3G (HSDPA is only the faster version of standard UMTS bandwith) consumes more power than GSM (GPRS/EDGE), so I have my TD2 set to use GPRS only. 3G i use only, when necessary. My battery keeps a day, too. But I use my device heavily for making calls and internet, so i guess, thats okay when i have to charge my device so often.
Another thing is, what increases the power consumption is a low signals strength and/or how often you lose your connection. Maybe your signal strength is more stable if you use GPRS only. You can verify, if you have an active data connection even if you not use the internet.
I'm not sure, how much the battery life depends on the rom, but I'm comfortable with my current udk rom.
~Eyghon

Change to GSM

Hi there
Am confused. Am running Manila 2.5 and have recently installed an icon set for the Comm Manager. Previously when I went into the Comm Manager the 3G option (which is labeled 'Change to GSM',)was marked as OFF (this was how it was when I first used the phone and I have never had a need to change that). But since I installed the new icon set, strangely, when I now go into the Comm Manager I notice that the 3G option in showing as ON (Green) and I cannot turn it off. I tap the On/Off button but unlike the Wireless or Phone options nothing happens.
I do not believe that I need the 3G functionality to be on (as it was not showing as such until recently, and as far as I know I do not want to 'change to GSM') when I have the Data Connection on, and therefore I would like know how to switch the 3G off (incidentally I can switch the Data Connection on or off at will)?
Can anybody help/advise
Many thanks in advance.
Regards
Balders

Baldrick1 said:
Hi there
....
I do not believe that I need the 3G functionality to be on (as it was not showing as such until recently, and as far as I know I do not want to 'change to GSM') when I have the Data Connection on, and therefore I would like know how to switch the 3G off (incidentally I can switch the Data Connection on or off at will)?
Can anybody help/advise
Many thanks in advance.
Regards
Balders
Click to expand...
Click to collapse
What phone do you have and what ROM are you running? If I understand your question correctly you are asking about switching between 3G and EDGE (aka 2.5G) at will or on demand. If so you need to do a registry edit. Using your registry editor go to "HKLM\SOFTWARE\OEM\PhoneSetting" and change value of "ShowUMTSBandPage" to 1. Do a soft reset and this should do the trick.
However my question to you is why would you want to do this? You do lose speed because EDGE is a slower connection. Not to mention you cannot do both data usage and phone calls simultaneously. Only in a few instances could I see this tweak being truly helpful (aka being in an area for extended time where 3G bandwidth is extremely weak and cuts in and out a lot). The one benefit would be possibly better battery life.
Hope this helps.
aybarrap1

aybarrap1 said:
What phone do you have and what ROM are you running? If I understand your question correctly you are asking about switching between 3G and EDGE (aka 2.5G) at will or on demand. If so you need to do a registry edit. Using your registry editor go to "HKLM\SOFTWARE\OEM\PhoneSetting" and change value of "ShowUMTSBandPage" to 1. Do a soft reset and this should do the trick.
However my question to you is why would you want to do this? You do lose speed because EDGE is a slower connection. Not to mention you cannot do both data usage and phone calls simultaneously. Only in a few instances could I see this tweak being truly helpful (aka being in an area for extended time where 3G bandwidth is extremely weak and cuts in and out a lot). The one benefit would be possibly better battery life.
Hope this helps.
aybarrap1
Click to expand...
Click to collapse
Hi aybarrap
Thanks for the reply.
Have reviewed the situation and conclude as per what you have said that the gains are outweighed by the losses...so I will stick with 3G.
Regards
Balders

3G eats alot of battery, GSM all the way if you never use HSDPA (WiFi + WEP cracker ftw).
Anyway it's: settings (in HTC slider) > wireless controls (comm manager basically) > press on phone > scroll down to the bottom and choose BAND > change to GSM/WCDMA (3G)

Glad I could help. Just keep in mind that if you are big on battery life this is definitely the tweak for you as mentioned by ArtieQ. I personally use this tweak because my workplace gets low 3G signal and I tend to drop calls if I don't apply this tweak. Not to mention the battery life is eaten super fast by all of the switching back and forth. I turn on EDGE only at work and back to 3G when I get off.

3G completely broken! :/

Hi there,
I've got a really big problem with my TD2, since i tried a tweak to increase the lifetime of the battery 3g completely broke. I found the tweak somewhere here in the Forum, but I wasnt able to find it again. I was using the XDAndroid ROM and tried to tweak the connection using the service menu (*#*#4636#*#* in android. setting the phone to "GSM only" should still allow 3g with less battery drain in general) but since that whenever my phone is connected via 3g i just don't have internet. It still connects to the network and also shows the 3g or "H" icon but i cant reach any server.
This happens in WiMo and in Android!
As soon I set up the phone only to use GSM everything just works fine. Already tried every possible setting within the android tool but it jumps back to "Unknown" everytime.
I also tried flashing the radio with the 4.49.25.91 ROM from this thread. That didn't help either :/
My WiMo i flashed to the current energy ROM, too.
I really don't know what to try anmore, if someone have got an idea please tell me

Flash it back to your stock ROM and see if that fixes the issue.

Nope :/
Just more slow and ugly than the energy rom ^^ 3g still won't work.. beside that even when booting to android it wont work, so i dont think it's rom related...
It has to be something about the radio and/or band settings that android messed up and cant be restored with the tools i have.... Maybe someone knows a tool that allows much radio tweaking?
Edit:
Nice, flashed back to energy rom and set up the network type and band again (settings -> personal -> phone) and now it's working again!
Even it wasn't a direct solution, flashing a bit around seem'd to be helpful

Hi,
bad news... 3g is working now, but it's very unstable and slow!
I made some speed tests via internet sharing:
GSM Mode -> Edge ("E" Icon)
Everything is stable and speeds are okay for edge (up to 18kb/s download, that is max. for GMSK?)
3G Mode -> UMTS ("3G" Icon)
Connection is VERY laggy and unstable, sometimes it completely loses connection. Only got a single Test through that messured a download rate of 0.03Mb/s that is even below default GSM and ping time of over 500ms. (Sadly i didn't copy the results)
3G Mode -> HSDPA ("H" Icon)
As long it keeps using HSDPA everything seems stable and fast, i'll run a speed test when i'm back from work (i only have 3g at the town i work) and post the results here when i'm done. Didnt have that much time to test this yet.