best AT&T set up for download speed

chrisrotolo · Jun 22, 2011

any ideas guys? I had an xperia x10 loaner, running custom ROM+build.prop was seeing 3-4.5Mbps download on AT&T. Ive never been able to get more than 2.5 on my streak, Ive used stock; 1.6, 2.1, 2.2, 2.2.2, DJSteve builds 1.46-1.9, and now im using Simple Streak 1.2.

Any ideas? Would engineering baseband be better? I have the build.prop ro.ril tweaks, etc.

im on simplestreak 1.2 w/baseband 35411-US

ubsamrc · Jun 22, 2011

Consider yourself lucky, all I'm getting is 1.9, 1.2 and 1 mostly. My gf's captivate gets 3-5 constantly. If any one has any ideas to fix this, please let us know.

Sent from my Dell Streak using XDA App

nickshertzer · Jun 22, 2011

How to Increase AT&T 3G Speed on Android

Includes step by step to editing build.prop via ADB or Root Explorer.

After some testing, this is the best I could come up with:

SimpleStreak 1.2 with 353 AMS flashed

Code:

ro.ril.enable.dtm=1
ro.ril.gprsclass=12
ro.ril.hep=1
ro.ril.enable.3g.prefix=1
ro.ril.hsdpa.category=14
ro.ril.hsupa.category=6
ro.ril.hsxpa=5

Place that at the end of your build.prop and make sure there is a blank line at the very end. Reboot twice and test.

I went from 439kbps - 900kbps down / 1079kbps up without these settings to 2978kbps down / 1104kbps up

Your mileage may vary.

My original post in this thread:

Code:
I flashed the 354 AMS for SimpleStreak 1.2 and found that I am getting around 500kbps d/l speeds on AT&T

I saw your post and was hoping to find some answers. I didn't know what the ro.ril tweaks were, so I googled. I assume you mean adding this to build.prop:

Code:

ro.ril.enable.dtm=1 ro.ril.gprsclass=12 ro.ril.enable.3g.prefix=1 ro.ril.hsdpa.category=28 ro.ril.hsupa.category=9 ro.ril.hsxpa=3

I am going to flash the 353 baseband plus add the ro.ril tweaks and see if that helps.

::update:: Actual speed test result on 354 bb was 439kbps (man that is slow). After flashing 353 bb update, I'm getting 1033kbps down. Going to try some ro.ril tweaks and see if anything changes.

nickshertzer · Jun 22, 2011

I seem to have posted ro.ril settings for a 4G Galaxy SII (really AT&T... just call HSPDA 4G... who'll know) from here: http://xdaforums.com/showthread.php?t=1087729

Settings previously mentioned for Streak are here: http://xdaforums.com/showthread.php?t=924440

Code:

ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.hep=1
ro.ril.enable.dtm=1
ro.ril.hsdpa.category=8
ro.ril.hsupa.category = 5

The fastest d/l speed I've seen so far is 1197kbps (using the ro.ril from the SII post). This is really disappointing. The iPhone 4 hits 2.5MB consistently sitting right next to my Streak.

chrisrotolo said:
Ive never been able to get more than 2.5 on my streak,

I guess my question becomes, how in the world are you getting 2.5 mb down on your streak?

chrisrotolo · Jun 23, 2011

idk, I'm using same tweaks you posted on simple streak 1.2 with perfmod, but have always seen ~2.5 down, on any ROM.

cbass · Jun 23, 2011

Running Simple 1.2 with perfmod flashed, flashed 354 completely stock before, then 353 amss.mbn.

After build.prop edits, with about -95 to -99db signal strength:

1:
Download: 2483kbps
Upload: 735kbps
Ping: 240ms

2:
Download: 2557kbps
Upload: 751kbps
Ping: 256ms

mid_life_crisis · Jun 23, 2011

How are you guys testing download speed? How do you monitor it? Never did that on a phone.

nickshertzer · Jun 23, 2011

Speedtest.net I assume.
http://market.android.com/details?id=org.zwanoo.android.speedtest

You can access through the browser also if you set uastring to desktop.

mid_life_crisis · Jun 23, 2011

nickshertzer said:
Speedtest.net I assume.
http://market.android.com/details?id=org.zwanoo.android.speedtest

You can access through the browser also if you set uastring to desktop.

You type that like everyone else just knows what you're talking about.
I'm going to show my age, but right now I'm hearing the Skipper after listening to the Professor explain something, "easy for you, difficult for me."

Where does one set this string and what does it do?

marvin02 · Jun 23, 2011

Speakeasy works in the stock browser without changing anything.

Apps:

Info from braodband.gov

mid_life_crisis · Jun 23, 2011

Simplestreak 1.2 with perfmod and OC set to max of 1.19. No other mods.
2.4 download 750 upload on Speakeasy.
AT&T in North Carolina.

Strephon Alkhalikoi · Jun 23, 2011

On a rooted 351 with stock kernel and with most Dell included bloatware, especially the Stage UI, removed: 2.26 Mbps down, .75Mbps up on AT&T's network.

I never changed over to 353 or 354. Glad I didn't either.

nickshertzer · Jun 23, 2011

mid_life_crisis said:
Where does one set this string and what does it do?

In the stock browser address bar, type "about:debug" (no quotes). Then hit Menu \ More \ Settings. Scroll all the way to the bottom and find UAString (Stands for User Agent String) and select Desktop.

It forces web sites to show you the full version instead of the mobile version. Most third party browsers have this setting more easily accessible. (Miren, Dolphin, Firefox, etc)

nickshertzer · Jun 23, 2011

From http://xdaforums.com/showpost.php?p=5123531&postcount=46

Amon_RA said:
People... the mentioned settings will only work if your network supports them!
Most important is the fact that they NEED to be set to the value that your network is currently supporting if you want to enjoy optimal speeds!!

ro.ril.hsxpa : inidcates hsxpa support of target network :

Code:

ro.ril.hsxpa=0 - UMTS r99 ro.ril.hsxpa=1 - HSDPA ro.ril.hsxpa=2 - HSDPA/HSUPA

ro.ril.gprsclass : inidcates GPRS class of target network :

Code:

Class 2 : 3 slots : 8 - 12 kbps upload / 16 - 24 kbps download Class 4 : 4 slots : 8 - 12 kbps upload / 24 - 36 kbps download Class 6 : 4 slots : 24 - 36 kbps upload / 24 - 36 kbps download Class 8 : 5 slots : 8 - 12 kbps upload / 32 - 40 kbps download Class 10 : 5 slots : 16 - 24 kbps upload / 32 - 48 kbps download Class 12 : 5 slots : 32 - 48 kbps upload / 32 - 48 kbps download

ro.ril.hsdpa.category :

Code:

Cat 1 = 1.2 Mbit/s Cat 2 = 1.2 Mbit/s Cat 3 = 1.8 Mbit/s Cat 4 = 1.8 Mbit/s Cat 5 = 3.6 Mbit/s Cat 6 = 3.6 Mbit/s Cat 7 = 7.2 Mbit/s Cat 8 = 7.2 Mbit/s Cat 9 = 10.1 Mbit/s Cat 10 = 14.0 Mbit/s Cat 11 = 0.9 Mbit/s Cat 12 = 1.8 Mbit/s Cat 13 = 17.6 Mbit/s Cat 14 = 21.1 Mbit/s Cat 15 = 23.4 Mbit/s Cat 16 = 27.9 Mbit/s Cat 19 = 35.3 Mbit/s Cat 20 = 42.2 Mbit/s Cat 21 = 23.4 Mbit/s Cat 22 = 27.9 Mbit/s Cat 23 = 35.3 Mbit/s Cat 24 = 42.2 Mbit/s Cat 25 = 46.8 Mbit/s Cat 26 = 55.9 Mbit/s Cat 27 = 70.6 Mbit/s Cat 28 = 84.4 Mbit/s

ro.ril.hsupa.category :

Code:

Cat 1 = 0.73 Mbit/s Cat 2 = 1.46 Mbit/s Cat 3 = 1.46 Mbit/s Cat 4 = 2.93 Mbit/s Cat 5 = 2.00 Mbit/s Cat 6 = 5.76 Mbit/s Cat 7 = 11.5 Mbit/s

Not speed related, but still nice to have :

ro.ril.enable.3g.prefix : adds the 3G prefix to the operator name.

ro.ril.enable.dtm : Only set this to 1 if your network allows simultaneous transfer of Circuit switched (CS) voice and Packet switched (PS) data over the same radio channel (ARFCN).

nickshertzer · Jun 23, 2011

More Settings to Test:

Code:

ro.ril.hep=1
ro.ril.enable.dtm=1
ro.ril.hsdpa.category=8
ro.ril.enable.a53=1
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask = 4294967295
ro.ril.htcmaskw1 = 14449
ro.ril.hsupa.category = 5

From what I've been reading, it is suggested to put a blank line at the end of the ro.ril statements in build.prop. Also, reboot twice after making changes before testing speed.

This gave me 831kbps Down / 1031kbps Up
2nd run: 849kbps / 1113kbps

Not seeing much in the way of results here.

mid_life_crisis · Jun 23, 2011

@post 14:

How do you find out the correct settings for your particular network? At 2.4/.750, I'm guessing mine are probably close, but hey, if I can get more for my hard earned money, I'm all for it.

nickshertzer · Jun 23, 2011

mid_life_crisis said:
@post 14:

How do you find out the correct settings for your particular network? At 2.4/.750, I'm guessing mine are probably close, but hey, if I can get more for my hard earned money, I'm all for it.

No idea... I thought that was what this thread was for...

FYI ro.ril stands for radio-interface-layer ::cue music:: 'The More You Know'

nickshertzer · Jun 24, 2011

Well, maybe I found something here. I'm going to edit my first post on this thread with my current settings.

Code:

ro.ril.enable.dtm=1
ro.ril.gprsclass=12
ro.ril.hep=1
ro.ril.enable.3g.prefix=1
ro.ril.hsdpa.category=14
ro.ril.hsupa.category=6
ro.ril.hsxpa=5

Place that at the end of your build.prop and make sure there is a blank line at the very end. Reboot twice and test.

I went from 439kbps - 900kbps down / 1079kbps up without these settings to 2978kbps down / 1104kbps up

Your mileage may vary.

undrwater · Jun 24, 2011

nickshertzer said:
Well, maybe I found something here. I'm going to edit my first post on this thread with my current settings.

Code:

ro.ril.enable.dtm=1 ro.ril.gprsclass=12 ro.ril.hep=1 ro.ril.enable.3g.prefix=1 ro.ril.hsdpa.category=14 ro.ril.hsupa.category=6 ro.ril.hsxpa=5

Place that at the end of your build.prop and make sure there is a blank line at the very end. Reboot twice and test.

I went from 439kbps - 900kbps down / 1079kbps up without these settings to 2978kbps down / 1104kbps up

Your mileage may vary.

These edits made the following changes:
Before: ~2500 down / ~500 up
After: ~2000 down / ~1000 up

I like that it looks a bit more synchronous even though the download speeds are a bit slower. I'll see how this feels in RL.

mid_life_crisis · Jun 25, 2011

I just ran two speed tests.
1) Speedtest installed to phone - 1.4 down / 1.1 up.
2) Speakeasy from website - 2.5 down / .85 up.

Yes, I disabled wifi first.
Back to back tests should not be that different.

best AT&T set up for download speed

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