Wich radio for att on cm10?? - AT&T Samsung Galaxy S II Skyrocket SGH-I727

Am having problems with data being unstable using net10 an att mvno wich means it uses atts network. Cant get a stable connection it jumps between 3g H and H+ all the time wich makes data not to work and timeout. Any ideas?
Sent from my One X using xda premium

joker96 said:
Am having problems with data being unstable using net10 an att mvno wich means it uses atts network. Cant get a stable connection it jumps between 3g H and H+ all the time wich makes data not to work and timeout. Any ideas?
Sent from my One X using xda premium
Click to expand...
Click to collapse
reflash to stock then back to cm10 newest nightley and you will be fine

Related

Stuck on hsdpa (not H+) Noob help.

Ok I've rooted my phone via one click method. I have the rcmix hd 3.4 rotate Rom with leeroids 2.2.4 kernel. So far I love it except ever since I changed from factory default Rom I have no H+ or what I'm under the impression of it being 4G. Instead I'm stuck just a regular H with data arrows underneath. Any ideas for a noob?
Sent from my Inspire using Tapatalk
aper3caper said:
Don't quote me here, but I'm pretty sure the afr001 and afr002 ROMs don't have an H+ icon since they are the European Desire HD ROMs. So you may be getting 4G HSPA+, but it doesn't have an icon for it.
Sent from my Desire HD using XDA App
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Click to collapse
http://forum.xda-developers.com/showpost.php?p=11505323&postcount=2
I'd bet that is what is happening.
That ROM may only show an H. I know with the one AR ROM i was using it would actually switch between "E", "3G" and "H+" depending on what i was using.
Thanx I think this is very possibly as it seems I have moderately fast connection when off WiFi. Is there possibly an app or a reference to see if the signal strength or speed of connection equates to that of 4G?
Sent from my Desire HD using Tapatalk
live2drill said:
Thanx I think this is very possibly as it seems I have moderately fast connection when off WiFi. Is there possibly an app or a reference to see if the signal strength or speed of connection equates to that of 4G?
Sent from my Desire HD using Tapatalk
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Click to collapse
Speed Test app
Just run a speed test with the app and you'll know right away what's going on.
Where do you live?
The stock AT&T setup shows an H+ icon even when in hsdpa... to let customers think they are getting 4g. Your rom is probably correct in showing you an H for hsdpa, because AT&T only has 4g service in like 6 cities nation wide. So unless you live in one of those cities you're not getting 4g anyway.
wyllie666 said:
The stock AT&T setup shows an H+ icon even when in hsdpa... to let customers think they are getting 4g.
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Wrong! The phone is using the H+ frequency, now if the backhauling has been done yet is the question.
Sent from my Desire HD using XDA App
jbizz said:
Wrong! The phone is using the H+ frequency, now if the backhauling has been done yet is the question.
Sent from my Desire HD using XDA App
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There is no "H+" Frequency, 2G, 3G, HSPA+, they all use either 850 or 1900. He's right, they have enabled the "+" to show up all the time, even if you aren't getting an HSPA+ connection. It's very deceiving and AT&T is in some hot water right now over their false advertising, google it to see.

1X all morning

Been stuck on 1x all morning, have tried rebooting, toggling connection (I am not in 4g area). I am on MR2 released radio. I am rooted.
Any one else having 3g or even 4g connection issues?
Sent from my HTC ThunderBolt using XDA Premium App
Nope. Rocking a strong 4G actually.
Mustang02 said:
Nope. Rocking a strong 4G actually.
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Damn you. My area must just suck for connection especially on LTE side of things.
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00negative said:
Damn you. My area must just suck for connection especially on LTE side of things.
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Toggle to cdma prl in York LTE settings and reboot. If I have LTE set on I get 1x all the time. Not sure if its the real problem or fix but seems to work for me. I'm also in a 3g area.
00negative said:
Been stuck on 1x all morning, have tried rebooting, toggling connection (I am not in 4g area). I am on MR2 released radio. I am rooted.
Any one else having 3g or even 4g connection issues?
Sent from my HTC ThunderBolt using XDA Premium App
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What are of the country are in?
dalrym05 said:
Toggle to cdma prl in York LTE settings and reboot. If I have LTE set on I get 1x all the time. Not sure if its the real problem or fix but seems to work for me. I'm also in a 3g area.
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Yeah I have not had to with the newer radios but I guess I am forced to now.
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DoctorZaius68 said:
What are of the country are in?
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Midwest
Sent from my TB using XDA Premium
Same issue here.
This morning I wake up, and my thunderbolt is stock on 1x. If I switch to 4G, it will do 4g, but back to CDMA only, and stuck on 1x. I have 4G at home, but leave it on 3G because I normally am at work with no 4G coverage.
I flashed the stock mr 2 rom just to confirm and used the official radio just to be safe. No change.
Googled around a bit and here is a fix that worked for me...
Dialer -> ##778# ->Call -> Edit -> 000000 -> modem settings ->Rev A
Switch to enable from eHRPD and then hit back once. Menu->Commit.
Solved for me, but I don't know if it has adverse effects...
MordyT said:
Same issue here.
This morning I wake up, and my thunderbolt is stock on 1x. If I switch to 4G, it will do 4g, but back to CDMA only, and stuck on 1x. I have 4G at home, but leave it on 3G because I normally am at work with no 4G coverage.
I flashed the stock mr 2 rom just to confirm and used the official radio just to be safe. No change.
Googled around a bit and here is a fix that worked for me...
Dialer -> ##778# ->Call -> Edit -> 000000 -> modem settings ->Rev A
Switch to enable from eHRPD and then hit back once. Menu->Commit.
Solved for me, but I don't know if it has adverse effects...
Click to expand...
Click to collapse
Did the exact same thing. Doesn't have adverse affects other than with losing benefits of LTE.
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00negative said:
Did the exact same thing. Doesn't have adverse affects other than with losing benefits of LTE.
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Can you explain? What losing benefits with LTE?
MordyT said:
Can you explain? What losing benefits with LTE?
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This makes your phone use the "old" version of EvDO. Basically what all 3g phones that don't have 4g radios use. If your area doesn't have 4g, doing this change shouldn't effect you at all and might get you 3g if you are stuck in 1x.
Sent from my ADR6400L using XDA Premium App
1X here all morning too. I'm in San Francisco.
On the plus side, my DL/UL speeds suck, but ping is 9 ms, so Mobile Hotspotting is still relatively fast.
MordyT said:
Can you explain? What losing benefits with LTE?
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Dont think you can use data while on a call when using EVDO, like you could on LTE.
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00negative said:
Dont think you can use data while on a call when using EVDO, like you could on LTE.
Sent from my TB using XDA Premium
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You can in 3G with the Thunderbolt. I did it yesterday. I work in 4G but live in 3G, but this feature is what finally made me pick the TB over the Charge.
I started this morning with the 3G/4G toggle on 3G only, to save battery, and around lunch I switched 4G back on and it has been there since... I haven't had issues with 1X. Must be a regional thing.
KnightCrusader said:
You can in 3G with the Thunderbolt. I did it yesterday. I work in 4G but live in 3G, but this feature is what finally made me pick the TB over the Charge.
I started this morning with the 3G/4G toggle on 3G only, to save battery, and around lunch I switched 4G back on and it has been there since... I haven't had issues with 1X. Must be a regional thing.
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But we had to switch to the old network to get 3g to work at all.
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US vs EU rom

What is the main difference between a USA Rom vs a European Rom other than language. Im in the US and I have T-Mobile em I loosing out on anything going with a European Rom?
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there is no difference
Ok thanks
Sent from my HTC One S using xda premium
The eu Rom will display "h" at the top vs 4g. Same speed though.
Sent from my One S.
Idk if I'm imagining this...but it seems like the data connection is more stable on T-Mobile Roms.
On EU Roms my data constantly switches between 2G and 3G. While on Tmo Roms it stays constantly on 4G
Sent from my HTC VLE_U using XDA
ydizzle said:
Idk if I'm imagining this...but it seems like the data connection is more stable on T-Mobile Roms.
On EU Roms my data constantly switches between 2G and 3G. While on Tmo Roms it stays constantly on 4G
Sent from my HTC VLE_U using XDA
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I've noticed this as well. On the EU ROMs my data was rarely ever connecting. When i flashed a custom T-Mobile ROM, I only get random disconnects every once in a while. Interesting!

Is there a way to turn off LTE CM10?

Yeah that's right turn it off! Seems they just added a tower in my area but I get crappy signal in my house and on HSDPA+ I get full bars. I thought this phone automatically connects to the "preferred network" but LTE in my house sucks and it keeps connecting to it.
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DVJr84 said:
Yeah that's right turn it off! Seems they just added a tower in my area but I get crappy signal in my house and on HSDPA+ I get full bars. I thought this phone automatically connects to the "preferred network" but LTE in my house sucks and it keeps connecting to it.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
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cant remember if it works on every radio
goto >system/more/mobile networks/networkmode
pick gsm.wcdma preferred
vincom said:
cant remember if it works on every radio
goto >system/more/mobile networks/networkmode
pick gsm.wcdma preferred
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I tried that on multiple radios and can't get it to stick. I also tried disabling it with the optional LTE toggle but even with it off the damn phone keeps connecting to LTE, gives me 1 bar and about a half meg down. I get full bars and almost 10 meg down with H+. Its not just the cm10 ROM because I went completely stock with your very helpful stickies and it does the exact same thing.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Setting, wireless networks, more, and scan network manually. Set AT&T and than you can change network modes. Rogers or bell radios only. I prefer bell 757 radio. My phone is not unlocked and I'm on aokp.
Sent from my SGH-I727 using xda app-developers app
hotbyz168 said:
Setting, wireless networks, more, and scan network manually. Set AT&T and than you can change network modes. Rogers or bell radios only. I prefer bell 757 radio. My phone is not unlocked and I'm on aokp.
Sent from my SGH-I727 using xda app-developers app
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That worked for me great. I followed your directions even used the i757 modem and it worked like a charm.
Edit: This also works on att uclf6 and ucli3 radios.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

Using EE 4G Contract SIM

I put my EE 4G contract sim into this phone, and it cant find network or anything, tried various basebands, the most common working one for UK is V20a so I tried that. Tried V21d which someone had luck with in the UK too.
Im not sure why its not working..
LightInDark said:
I put my EE 4G contract sim into this phone, and it cant find network or anything, tried various basebands, the most common working one for UK is V20a so I tried that. Tried V21d which someone had luck with in the UK too.
Im not sure why its not working..
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Click to collapse
try forcing it to1800mhz
If you get it working please say how as my area I'll be 4g soon
Sent from my LG-SU760 using Tapatalk 2
No 4g modem = no 4g reception.
Seems pretty obvious this wouldnt work.
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hefonthefjords said:
No 4g modem = no 4g reception.
Seems pretty obvious this wouldnt work.
Sent from my GT-I9300 using XDA Premium HD app
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you sir don't know much about phones then. My area has no 4G coverage i live in the highlands of Scotland. It goes to 3G default ( altho at my house its 2G max speed sadly ) wouldn't it go to 3G or 2G does default as it does in the 4G phone?
also its crashing every few minutes, i was told to change baseband but ive tried many, none are stable. Just leaving it locked it will restart after about 30 seconds. Tried new kernel too.

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