[Galaxy S II Original Android Development] AMDPOWERFIST:
Well I am not really asking a question, rather trying to pass on some information to the DEV team, best i can to get the ONLY issue i have left with CM7 possibly resolved, so i dont have to change ROMs, because i really do like CM7, have done so since Galaxy S(1) days...

Secondly.... Ive tested KI3 / KI4 / KG6 / KG3 modems. All have the same problem.

I have come to a possible conclusion as to what the problem might be too. (or a solution)

On the stock ROMs, under SETTINGS > WIRELESS & NETWORKS > MOBILE NETWORKS > (i believe its called NETWORK TYPES or something) and you can turn it to HSDPA ONLY

This is what the slow unresponsive 3G has been with the change from my old ROM to new CM7.1

It could be incorporated into the new CM7 to help improve 3G connectivity dramatically, especially for those people who dont live in major cities.

U can see from these testing results the difference between having this function on and having it off:

USING SPEEDTEST.NET Mobile Application

Numbering:

Download (kbps) / Upload (kbps) / Ping (ms)

NETWORK TYPE:

H = HSDPA

G = GPRS

U = UMTS

E = EDGE

13/10/2011 - CM7.1 #81 MODEM CHANGE / SAME LOCATION / BETWEEN 1-2PM

KI4

1 = 634 / 285 / 106 / H

2 = 646 / 783 / 90 / H

3 = 166 / 71 / 183 / H

4 = 240 / 71 / 163 / U

KI3

1 = 617 / 95 / 121 / U

2 = 775 / 53 / 176 / H

3 = 912 / 364 / 143 / U

4 = 625 / 328 / 120 / U

KG6

1 = 451 / 363 / 90 / H

2 = 408 / 232 / 124 / U

3 = 383 / 295 / 178 / H

4 = 435 / 275 / 102 / H

KG3

1 = 250 / 357 / 124 / H

2 = 189 / 355 / 142 / U

3 = 156 / 307 / 181 / H

4 = 275 / 300 / 137 / U

PREVIOUSLY i use to get:

KI4 MODEM / HSDPA ONLY / FAST DORMANCY DISABLE / VILLAIN ROM 3.0

1 = 1567 / 1322 / 90 / H

2 = 1648 / 1362 / 101 / H

3 = 1521 / 1364 / 115 / H

4 = 1944 / 1359 / 108 / H

KI3

1 = 1717 / 995 / 112 / H

2 = 1775 / 1153 / 106 / H

3 = 1912 / 1234 / 111 / U

4 = 1625 / 1208 / 120 / H

As you can see from the numbers and with the same conditions for all:

* Same location

* Same time of day

* Always restarting the phone before running test

* Phone sit for 3 minutes after reboot

* Set test location to the same place

* Run twice as a warm up (not recorded)

* Record the next 4 attempts

* If any messages come through, dont record, reboot and start again

These conclusions (and having the same modem files tested) show a dramatic drop in 3G connectivity, I am unsure as to the reasons why. Thoughts are the possible HSDPA ONLY menu i mentioned earlier. However thought it might be useful to post it here in DEV, if i can provide anymore help on this topic, let me know how and i will. A friend of mine ALSO changed over to CM7.1 #81 and has the same issue, also coming from VR 3.0 previously (flashing stock firmware, wipe data / cache / davlik, rooted, flash CMW Kernel, update #stable then updated each since then - so cant be a wipe or install issue....

Important: This issue also extends to real life use of the phone when its trying to use internet (market, facebook, web browing etc etc etc)

If it starts out on G or 3G or E it wont PUSH for H and will be STUCK on that, until it has finished what you were trying to do. You have to catch it when its on H to actually do anything download intensive....

SO from this, i figure from my limited knowledge of the background processes involved, but my test data and information provided, it can atleast help to solve this bug / issue. As there is clearly something up. Somehow forcing it into H (HSDPA) would fix this issue (i believe, but could be wrong) and after reading the Q&A forums, there seems to be a few other people who have this issue as well...

I know its a bit long to read, so in summary:

* 3G seems slower than before (numbers above provided)

* Phone takes a long time to "find" and "lock" onto H (HSDPA)

* If an internet based app starts using the internet on E or G or 3G it will STAY on that and not PUSH to get the higher H (HSDPA) speeds