Installing roms mess up my 3g :/ - Motorola Droid and Milestone General

Ive noticed that when i use any rom that its not the stock of my provider the 2g/3g drops TOO completely quiet often and takes almost a minute to get signal again, am i doing something wrong? ive been careful and just install roms that use 850/1900 3g bands because my provider uses 1900 mhz

am i the only one with this problem?

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X1 Band does not switch

i'm having a problem with the band not switch when its low on signal. for example i will get the H and when it drops down to 1 or no bars it doesn't switch to E. also some times when the reception is around 2 or 1 and its on H, i would drop calls or can't call out at all. for some reason i've noticed that the reception issue happenes a lot and i would have to change the band to GSM and 850, 1900, then it would stay on E.
anyone has this problem or know a fix?
<(@[email protected])>
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I was about to suggest you flash a different radio, but then I noticed that you're on AT&T. It's just your network being crap.
I believe the network sets the rules on handing your cellphone signal over to another tower. Only thing you can do is tell your phone to force EDGE or HSPA.
yea when ever i have no signal i have to force it and the best i can get is edge. but this wasn't an issue before? could it be a hardware issue?
Depends on carrier too. I have such issues sometimes.
But X1 also tries to keep 3G/HSDPA as much as possible...
YEAH I BEEN GETTING THE SAME PROBLEMS WITH MY XPERIA, I HATE IT BECAUSE IT IS LIKE IM BEING LIMITED OFF GOOD RECEPTION SIGNAL. SOMETIMES I CANT MAKE CALLS AT ALL. cOULD AT&T BE DOING THIS TO ALL CELLPHONES LIKE MY X1, SINCE THEY WANTED TO CHARGE ME 30 DOLLARS A MONTH FOR UNLIMITED INTERNET,SO I COULD GET 3G SPEED, SOMETHING I DIDNT HAVE BEFORE, BUT I STAYED WITH MY REGULAR INTERNET SPEED, AND NOW I EVEN GET FASTER INTERNET SPEED THAN MY BROTHERS AT&T HTC fUZE 3G PHONE.
Well just a FYI, but AT&Ts network isn't the great in San Franciso anyway.

[Q] Low signal, call drops... disable 1900MHz band?

I have a very weak reception, ranging from from -90db down to -105db, inside my condo with my Bell i9000m leading to calls drop.
Dialing *#0011# on the dial pad and walking around the place, I noticed the phone kept switching between the 1900 and 850 bands back and forth.
I kinda suspect the calls drop happen when the phone switches from one band to the other, so I'm wonderring: is there's a way I could set the phone so that it only uses the 850 band when I'm home?
Since the 850 is better at penetrating walls, wouldn't that help a little?
On older phones, non-smart ones, there usually was such a parameter to do that.
Eclair 2.1 JH2 no root, no lag fix
keypad fix
I had exactly the same problem plus my phone would turn off as well when it lost its signal for prolonged periods of time. I found a post on this forum which gave a keypad code to type in.My phone has worked perfectly since then. Unfortunately I can't find the post to link it to you. I'm sure if you search for a while you could find it.
Hope this helps a little.
In the dialer: *#*#197328640#*#*
1. Debug 2. Phone control 3. Network control 4. Band selection. (not the menu#'s)
I tried WCDMA all and was getting the shut off when phone loses signal when asleep. Just set it back to auto but might try setting it to 850 and see what happens. This doesn't happen too often, I get full bars at home and 2-3 bars at work but do lose signal sometimes.
Hope this helps and let us know how it works for you.
Sent from my GT-I9000M using XDA App
I selected 1900 fr att n wrks gud ty
Sent from my GT-I9000 using XDA App
Apparently the problem was the 850MHz band
Forced my cell to use the WCDMA 1900MHz band instead and tadam... no more calls drop.
By the way, there a shortcut to get to the band selection dialog: *#*#2263# or *#*#BAND# if you prefer.

sticking to 850 only

Is there any way to get my Captivate to stick to 850 band only, and not switch to 1900. I live in an area where I have 3G coverage on both bands.
Edit: I can get to this using SGS tools, but that would be only till a restart. Any way to get this to stick permanently until disabled.
Go to the phone dialer and put in *#2263# from there you can select what band you want. To check if it took, type *#0011#
Yes.. what he posted above should work even after reboot
The moment I set to 850 its switching from 3g to edge. Strange. Cos when on 3g mode its always been on 850, atleast 80% of times
Sent from my SAMSUNG-SGH-I897 using XDA App
Thats one thing the bugged me is that this phone ... AT&T version anyways.... loves to camp on 1900mhz more and would be fine if it would switch to 850 when needed..... alot of time I would be at -111db and still on 1900 when 850 in the same are would be at -103db.
I enable 850 that way but once you reboot... you need to do it again.....
shoman94 said:
Thats one thing the bugged me is that this phone ... AT&T version anyways.... loves to camp on 1900mhz more and would be fine if it would switch to 850 when needed..... alot of time I would be at -111db and still on 1900 when 850 in the same are would be at -103db.
I enable 850 that way but once you reboot... you need to do it again.....
Click to expand...
Click to collapse
Technically, the lower band should have lower signal strength reducing radiation. Plus should be using less battery power. That is why I am seeing how to get to 850.
Anyways, I think I'll leave it how it is.

[Q] SGS and reception in rural areas (canada)

Hi I have an internation SGS (I9000) I live in canada. I know that this particular model doesn;t support the WCDMA 850 band. So outside urban area bye bye 3G.
On the other hand I used to own an IPhone (my GF has a blackeberry cruve -not the 3g-). And when ever we visited family in a rural area I had signal (2G/GSM only). Last time we went I had a terrible surprise ... my phone wasn't working (no signal at all in contrast my gf was next to me her phone was working).
An other time a frie nd with an iphone had 3(Telus) g (in rougemont) where I had almost nothing.
I'm just wonderong if any fellow north-american (especially canadians with fido rogers) had any stories like this to share.
I'm on gingerbread (very nice except from time to time i experience lockups) with KC1 modem.
Thanks
the 850 band carries voice as well as data, so if your in an area which only has 850 coverage then your screwed.
i've had some modems installed which didnt support 850 and completely lost signal in some areas. there isnt really a way around it.
the thing is I'm with fido, the phone is supposed to fallback on GSM if there's no WCDMA arround (most of the time I disable WCDMA b/c of battery). The blackberry next to me was able to pick something up but not the SGS.
both times I didn;t have the opportuinty to see what band it was using (supposedly it would have switched to the GSM850 of roger's it it needed to, the phone supports it).
May be soneone with roger;s can say more about this. b/c bell do not have GSM network (only WCDMA) so for you no WCDMA850/1900 no signal at all.

[Q] No 3G, just Edge, why?

Got an used Captivate on eBay, came with kernel 2.6.35.13 Glitch v13.1, MIUI 2.2.17, Android 2.3.7 and modem UGJK4
Well, Captivate radio specs for 3G: HSDPA 850 / 1900 / 2100
My operator (TIM) uses 2100 in my city, excellent until now!
But, I'm stuck in EDGE, can't get it to connect any faster. We have other phones here got from England, Ireland and USA, all of them support 2100 and 3G works perfectly, but not this Captivate.
Already tried the following modems: UGKG3, XXJTV, XXJVU and currently on UGJL2.
Just after installing the UGJL2, it connected at HSDPA, but after 5 seconds changed to Edge and no (H) anymore
A weird thing, I tried another operator chip (VIVO), that also operates at 2100 in my area and HSDPA is enabled normally!
Got back my chip and back to EDGE, this same chip get 3G+ (HSDPA) on a Samsung Jet, Samsung Galaxy Mini and a Samsung i550.
Everything else works perfectly, calls, GPS, wifi...
Any tips?
Thanks!
Surfin7 said:
Got an used Captivate on eBay, came with kernel 2.6.35.13 Glitch v13.1, MIUI 2.2.17, Android 2.3.7 and modem UGJK4
Well, Captivate radio specs for 3G: HSDPA 850 / 1900 / 2100
My operator (TIM) uses 2100 in my city, excellent until now!
But, I'm stuck in EDGE, can't get it to connect any faster. We have other phones here got from England, Ireland and USA, all of them support 2100 and 3G works perfectly, but not this Captivate.
Already tried the following modems: UGKG3, XXJTV, XXJVU and currently on UGJL2.
Just after installing the UGJL2, it connected at HSDPA, but after 5 seconds changed to Edge and no (H) anymore
A weird thing, I tried another operator chip (VIVO), that also operates at 2100 in my area and HSDPA is enabled normally!
Got back my chip and back to EDGE, this same chip get 3G+ (HSDPA) on a Samsung Jet, Samsung Galaxy Mini and a Samsung i550.
Everything else works perfectly, calls, GPS, wifi...
Any tips?
Thanks!
Click to expand...
Click to collapse
From what I know, the Captivate only gets 3G on AT&T even when unlocked. I might be wrong, but I remember reading that somewhere.
Must be a myth, I use my captivate on 850mhz in Australia 3g and hspa work perfect.
Did you try to force 2100 with service mode?
Phoned in.....
But with the other operator chip 3G works normally, at the same place where my chip also get 3G on other phone. Both are 3G+ (Hsdpa) able, but not when together. That is what makes no sense.
I would have forced in servide mode, but all the codes for service mode does not seem to work, and I've seen around the forums that MIUI don't have it...
Is there any code besides *#0011# and *#*#197328640#*#* ?
Both not work here
Thanks for the help!
MIUI and AOSP do not allow for the forcing of certain bands. You can specify what region you are in, but that's about all. To do that, use dialer code
*#*#4636#*#*
Phone setting
Menu/select service bands
That's about as good as it gets.
Hope it helps.
fractaline said:
Must be a myth, I use my captivate on 850mhz in Australia 3g and hspa work perfect.
Did you try to force 2100 with service mode?
Phoned in.....
Click to expand...
Click to collapse
Your carrier uses the same 3g bands that att does. Those are the only ones that use the same 3g bands
sent from my cell in Arkham
mrhaley30705 said:
MIUI and AOSP do not allow for the forcing of certain bands. You can specify what region you are in, but that's about all. To do that, use dialer code
*#*#4636#*#*
Phone setting
Menu/select service bands
That's about as good as it gets.
Hope it helps.
Click to expand...
Click to collapse
Yes, I've tried Automatic and Euro (same bands used here), still Edge.
The strange thing is it get 3G from the other operator, that uses the same 2100 frequency... (at leaset they say it's both 2100)
Any way to see the frequency currently in use?
zelendel said:
Your carrier uses the same 3g bands that att does. Those are the only ones that use the same 3g bands
sent from my cell in Arkham
Click to expand...
Click to collapse
My carrier uses 850 and 2100.
My wife has a captivate also, her carrier uses 900 and 2100. Of course only the 2100 works but it is solid.
Phoned in.....
Ok, I discovered that it's an area problem probably, I tried at the office and got the H on the indicator! HSPDA is working, sometimes 'came down' to 3G (concrete building, not so good signal).
That's still strange because my friend get Hspa here, with a Galaxy S (I9000b), same operator, will call them soon to ask about this.
Anyway, it works! with ridiculous speed (180kbps), but it's better then Edge at 15kbps...
Thanks everybody for the help!

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