Develop Bugs

HSDA <-> UMTS automated switching?

I've seen in my TyTN, WM6, radio 1.34 a (strange?) behaviour. I noticed with VODAFONE : I have a plain UMTS connection 3g icon and 3g data connection alive, used for push e-mail.
When I am in HSDPA area and data connection starts data transfer, I see a switch between 3G and H connection, then revert after 1-2 seconds ad the end of data transver back in UMTS mode.
Hypotesis:
1) Could be a simple WM6 LVSW edition bug
2) Could be a WM6 feature (HSDPA has well known problems in voice phone avaliability when active)
3) Could be a Vodafone Network feature, HSDPA onli when needed
4) 1.34 radio compatibility problem/feature?
5) ......
6) I am stupid and this is a well known fact
Question:
Any other wm6 user noticed same behaviour?

It has always worked like this, HSDPA is ON when you need it, not all the time.
thats part of the design, saving resources for the network.

elivne said:
It has always worked like this, HSDPA is ON when you need it, not all the time.
thats part of the design, saving resources for the network.
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This isn't working this way for all mobile phone providers in Italy, with TIM if you are in HSDPA area it will stay connected... and you're off-line if someone calls
May be we discovered why isn't enabled as DEFAULT setting and we need to enable using SetHSDPA.exe

sergiopi said:
This isn't working this way for all mobile phone providers in Italy, with TIM if you are in HSDPA area it will stay connected... and you're off-line if someone calls
May be we discovered why isn't enabled as DEFAULT setting and we need to enable using SetHSDPA.exe
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Ditto in Australia. If im connected to GPRS, the icon is permanently showing HSDPA... unless of course i only have GSM coverage (very rare!!).

In Taipei, it works exactly as elivne says... H only when needed.
Cheers

FWIW, I didn't experience proper "throttling" in and out of HSDPA mode until I upgraded to WM6 and radio 1.38 (not sure which to thank for it). Prior to that whenever I was in H coverage, the radio would run almost exclusively in H mode. Talk about battery drain! Currently I can run for almost 2 days between charges (and that's with push mail).
How a particular combination performs for you must depend a lot on the carrier, your locale, etc. Took a lot of "trial and error" for me.

Yep, I'm on UK T-Mobile, and my icon only switches from "3G" to "H" when it's active.
As vp3G says, it noticably saves battery power from the old "permanent HSDPA" behaviour. Although I can't claim to get 2 days usage out of mine.

It is a network feature. If you are inactive on HSDPA for t sec the network will downswitch you to UMTS ( called R99 ). Only 10 users can use the HSDPA at the same time and there is an inactivity timer ( t=10 sec) try to manage the traffic by moving inactive users to R99 ( max speed 384 kbps)

Thank you for sharing your knowlege Austin Boy....
..."and that's the way it is"
Cheers

austin_boy said:
Only 10 users can use the HSDPA at the same time and there is an inactivity timer ( t=10 sec) try to manage the traffic by moving inactive users to R99 ( max speed 384 kbps)
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Really only 10 simultaneous users? Seems like the odds of getting a timeslice when you need it would be virtually nil.

The 10 limitation can be increased by any operator by adding Channel elements (Radios) or more when adding another carrier ( frequency). Europe has more spectrum than the US and it is possible to get two carriers ( 2x5MHz) and use one for speech and the other for data. In the US we are sharing the spectrum between GSM and UMTS. AT&T will be migrating GSM to UMTS gradually and using the 850 band for UMTS before moving to LTE (4G)

sub69 said:
Yep, I'm on UK T-Mobile, and my icon only switches from "3G" to "H" when it's active.
As vp3G says, it noticably saves battery power from the old "permanent HSDPA" behaviour. Although I can't claim to get 2 days usage out of mine.
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Click to collapse
I have a similar switching scenario.
Prior to flashing my Radio to 1.38.00.10 and ROM to Black 2.0 I tested my download speed at www.dslreports/mspeed and was please to see I got almost a 1Mb/sec rating.
However since the flashes I have re-tested and am now only getting 250-300 kb/sec. It may be the network, so I will try on a few separate occasions and different locations.
NB. I have enabled HSDPA in HTweaksC
I noticed during the test that the download bar jumps staright up immediately but then slows down quite a lot?

sergiopi said:
I've seen in my TyTN, WM6, radio 1.34 a (strange?) behaviour. I noticed with VODAFONE : I have a plain UMTS connection 3g icon and 3g data connection alive, used for push e-mail.
When I am in HSDPA area and data connection starts data transfer, I see a switch between 3G and H connection, then revert after 1-2 seconds ad the end of data transver back in UMTS mode.
Click to expand...
Click to collapse
3 ITA is working same way.
Enabling HSDPA only when there is data transfer active.

Okay tried again on my commute home, and also when I got to my house.
Speed is looking good ! getting up above the 1mb/sec rate again.
Must have just been a busy cell/network

ok... i have a spv m3100 with black 3.0.1 wich is suposed to be HSDPA enabled... i have also enabled it in the tweaker.... today for the first time i have seen the icon H... in my area there is no HSDPA coverege... none... but i read today that untill the end of the year they are trying to cover it... and i was thinking that they are already making tests... i tested my speed at http://www.bandwidthplace.com/speedtest/ and i had a 145 kilobits per second speed... wich as far as i know it is similar to 3g... i disabled the HSDPA and tried a few times in 3g... the speed was 135 kb/s... to small the difference...
so... my question... what is the tweaker doing?... enableing HSDPA or just replacing the 3g icon with the H icon?

no one???
what is the tweaker doing?... enable HSDPA or just replacing the 3g icon with the H icon?

cingular 3g problem

i bet that this has been answered thousands of times and i probably haven't just found the thread but i have a cingular 8525 and i upgraded to wm6 lvsw it great but i cant seem to get the 3g network back and all i get is that big E for edge and i want to get back on the 3g network i have applied all the cingular setting cabs in the wiki but if any of you guys can help id appreciate it and sorry if this isn't in the right place thanx guys

The settings for 3g are the same as the settings for gprs/edge.
Maybe you need to go into settings->phone->band and make sure your network type is auto or (wcdma) and your GSM/UTMS band is set at GSM(1900+850)=UTMS(1900+850)....

I ran into the same problem numerous times. there also seems to be a few issues with the data connection. I don't know if it is the ROM or radio but it is pretty anoying.
Another issue I have been experiencing is the weird behavior I get sometimes when I receive a phone call. twice it frooze on me and I ended up missing an important call. I am thinking about going back to some of the other roms.

I have the same problem running the Black 3.1 and end up with "E" EDGE" connection most of the time instead of "3G" that I got with the Black 2.5 and the Custals new Rom. Your phone or device will connect with the fastest technology that it supports and that the network supports in that area. If you have an HSDPA phone or PDA, you will automatically get HSDPA (or UMTS) or fall back to EDGE (or GPRS) if the signal or network can support.
3G and 2.5G are interchangeable
2.5G = GPRS and EDGE
3G = UMTS and HSDPA

WM6 related internet problems with T-Mobile

After upgrading from my XDA IIs to my new 8525 I immediately flashed the Schaps 3.54b WM6 ROM. After setting up the connection settings just as I had had them on my BA I noticed the internet didn't work. I thought it might be a T-Mobile issue since with the T-MobileWeb service you must use the proxy server to route HTTP traffic. I put my SIM back into my BA and the internet works! Next my thoughts are that this being a new Edge capable device that they could detect this and block service. Well just today I flashed the Dopod Lite rom, internet still broke. But then I flashed Black X b2 and low and behold its working! I did think that the Dopod Lite "6mb PP" was a bit faster than black so I'd like to use it but why won't the net work on those two roms? Any ideas?

I Got near same Problem,
I was a Happy user with an old WM5 Black Rom. I checked the forums and found a discussion About a WM6 Black od Schnap's Rom. Schnap's in is favour. I tried the 3.54b Full Rom and wasn;t able to connect to the T-Mobile atenna. I kept on searching, when i changed to Manual Network selection I was able to connect.
When I tried GPRS it worked, when i went outside to get 3G you see the switch of reception from G to 3G in the Topbar, butt when trying to surf it doesn't work. Looks like some kind of block or setting.
I also tried 3.57a Full Rom it will connect butt then again no Data is comming in the Browser Windows. When i Switch to GPRS only it works.. I was ble to use the automatec network selection.
Very Strange and annoying...
Regards Tom

fyi...T-Mobile USA has no 3G; only EDGE access. They told me they plan on having 3G later this year and they are testing it. My EDGE gprs internet access works great with schaps 3.54c.

When trying another SIM from KPN I have no problems.
It's strange, i flashed to another ROM 3.54c from Schap's again I ran into trouble. When i poppe in a SIM from another provider KPN, it worked inmediately. This KPN provider has gprs / umts and hsdpa.. You see the icon performing seamless handover for the data connection. When creating traffic if switches to hsdpa and when there is no or less traffic it goed back to UMTS, you see the icon switcing between 3G and H.
When putting back the T-Mobile SIM i have trouble connecting with the GSM antenna's you see the Antenna symbol seraching. Normally it fixes to the provider within 3-10 seconds. T-mobile only has GPRS and UMTS, also my UMTS subscription is trothled down to max 224 kb/sec (This is cheaper for monthly costs). Maybe the trotheling is the problem?
When it does connect sometimes, after driving to my home or after several warm resets it's hard to connect to 3G. My work is situated in a building which has coated windows. So inside the building I only have GPRS reception. GPRS is no problem, when i walk outside, it switches to 3G (UMTS) allmost instantly except there is no data connection handover. I'm unable to get any bit from the 3G connection. It appears to be a solid connection because you see the solid 3G above the reception indicators.
Puting back the KPN sim and everything works as it should.
Regards Tom

3G Icon On Notification Bar

New to Android phones, (I did a search but nothing was found), I was connected to Vodafone yesterday and there has never been a 3G Icon in the notification Bar (Network Signal has the 4 full bars)
When I am at home I use a Vodafone sure signal for 3G but it does not show in the notification bar either, (obviously I am connected to 3G when at home)
My network mode is set to GSM/WCDMA auto, so have I done something wrong or can some suggest how I can have this Icon showing.

I had the same issue - called up support and had them change my SIM card to the new one that came with the phone and since then I now get up to H depending if I'm in a decent area of Liverpool...

EddyOS said:
I had the same issue - called up support and had them change my SIM card to the new one that came with the phone and since then I now get up to H depending if I'm in a decent area of Liverpool...
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Click to collapse
Thanks for the reply, this was a new sim card supplied with the phone I moved from T-Mobile to Vodafone so I could use the SureSignal to get rid of the crappy signal in the house.

Just solved the problem, if you switch off Wi-Fi then go into "settings/Mobile network connect to the internet it appears on the notification bar"

I thought you'd have it on already - glad you're sorted though!

I have only seen 'H' in my toolbar and none of the other notification (3G etc) mentioned in the manual there. Normal? Or do I just have a good connection?

Matt2887 said:
I have only seen 'H' in my toolbar and none of the other notification (3G etc) mentioned in the manual there. Normal? Or do I just have a good connection?
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Click to collapse
The H means you have the HSDPA connection which is quicker than standard 3G. 3.5G if you will

ive also never seen a 3g icon, had the H and G one before

I use to get a 'H' on my kaiser
but on on my desire on Orange. I get a '3G+' symbol now. is this the same as 'H'?
Sent from my HTC Desire using the XDA mobile application powered by Tapatalk

Guys, remember that Android works differently from WIndows Mobile.
On WIndows mobile, you had the G, E, 3G or H all the time showing what signal you had. Android does not do that.
The 3G/H icon only appears when connected to the internet. the rest of the time it just shows signal bars.
And yeah, if wifi is on it will disconnect from the internet and that icon will disappear. cos after all, as long as you have signal when just using voice and text, it doesn't really matter whether it's 3G or not.
And Yes, 3G+ is the same as H. 3G+ is Orange's stupid marketing speak for HSDPA.

I have constant 'G' which changes to 3G/H when in areas that allow it...phone works fine so no issues since changing my SIM card

I am also experiencing this problem and to clarify it:
Sometimes (i think it has something to do with using camera) the animation stops working (the arrows stays shadow even if i am downloading) or the 3h/h icon disappears completely (but i am still connected to mobile data).
Disconnecting and reconnecting mobile data (e.g. swithing to wifi and back, rebooting phone or turning airplane on and off) solves this problem and the animated 3g/h icon (arrows are white when downloading and shadow when connection idle) is back.
Does anyone know how to fix this problem permanently?
I have had no such a bug on my Milestone

Data never works when showing "3G"

My phone doesn't seem to have any data connection when "3G" shows, but works amazingly on "H" and just about bareable on "G". "E" shows occaisionally and doesn't seem to have internet access either.
When loading a web page for example, if it starts on "H" it will start loading, if it switches over to "3G" halfway through loading, it will hang and nothing will continue until it switches back to "H".
I've found many, many threads on similar issues on here, but wondering if anyone experiences this exact same problem.
I'm thinking my telco's (Vodafone Australia) default APN settings that are pushed to the phone arn't very compatible with android.

same for me. if it is 3g it waits till get h then loads... mine is t mob uk, probably because of them...

And what about E (edge)?

mine is on only wdcma mode...

3g H
hi, my carrier is orange, luxembourg,
had extreme difficulties with 3g, h and e,
but after 2.2 ota everything is great.

same problem for me... it doesn't transfer any data on 3g... all is fine on h,e, and g

contrary said:
same for me. if it is 3g it waits till get h then loads... mine is t mob uk, probably because of them...
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Click to collapse
+1 i'm from italy... carrier:wind